Ontario Canada weather data
Ontario Canada Weather Data, Plant Disease Risk and Degree-Day Models
APRSWXNET Network - other tables for ON include: All Networks, METAR, see our homepage.
Interactive degree-day maps
Ontario Canada base 32 degree-days to date
Degree-day & Phenology Model Calculator
 Also try the full-featured calculator/DD model
Select model: 
Thresholds: lower: °F   upper: °F (or celsius °C:)
  Calc. method:
Start (biofix) date:   End date:   
 Forecast type:   
Statewide Disease Alert Maps: tomato-potato Smith late blight, Tomcast DSV, fire blight, soybean rust
Disease Alert Movies: fireblight: 2010 2011 2012 2013
Data table - to SORT click on headers:
# Location linked to
hourly weather,
plant disease models and
forecasts
using
"Mypest Page"
 
County
Re-
cent
data QA
Fore-
cast
based
virt
data
Nearby
station
based
virt
data

Station code,
links to
NWS recent
weather

Links to
NWS fore-
casts
 
Net-
work
Elev. (ft)
 
Lat./ Long.
(Dec. Deg.)
 
Max-min temperature data and degree-days
(click radio button to calc.)

10 yr
avgs

30 yr
avgs

nmme
fcast

cfs
fcast
1 Almonte VE3UIX2
0
na
na
na
na
AT587
map
zone
digital
CWOP/APRSWX
419
 45.20694
-76.20000
2017
-
-
-
-
2 Aurora VE3CGR6
88
na
na
na
na
AU023
map
zone
digital
CWOP/APRSWX
900
 43.99500
-79.46333
2017
-
-
-
-
3 Beamsville CW2265 Ontario
87
na
na
na
na
C2265
map
zone
digital
CWOP/APRSWX
299
 43.17611
-79.47222
2017
2016
2015
2014
2013
2012
2011
2009
2008
2007
-
-
-
-
4 Brampton VE3FWM
88
na
na
na
na
AV116
map
zone
digital
CWOP/APRSWX
643
 43.71417
-79.69806
2017
-
-
-
-
5 Campbellford VE3KHV Ontario
62
na
na
na
na
AS831
map
zone
digital
CWOP/APRSWX
551
 44.34778
-77.78083
2017
2016
2015
2014
2013
2012
2011
2010
2009
-
-
-
-
6 Carp VA3KA Ontario
88
na
na
na
na
AR878
map
zone
digital
CWOP/APRSWX
466
 45.27667
-76.09306
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
-
-
-
-
7 Cherry Valley VA3JLF1 Ontario
0
na
na
na
na
AT413
map
zone
digital
CWOP/APRSWX
131
 43.93389
-77.16000
2017
2016
2015
2014
2013
2012
-
-
-
-
8 Cherry Valley VE3EP
0
na
na
na
na
AT941
map
zone
digital
CWOP/APRSWX
282
 43.91472
-77.18694
2017
2016
2015
-
-
-
-
9 Devlin DW4685 Koochiching
94
na
na
na
na
D4685
map
zone
digital
CWOP/APRSWX
1152
 48.62056
-93.60694
2017
2016
2015
2014
2013
2012
-
-
-
-
10 Dryden DW5060 Ontario
na
na
na
na
D5060
map
forecast
digital
CWOP/APRSWX
1299
 49.77444
-92.83806
2017
2016
2015
2014
2013
2012
-
-
-
-
11 Komoka DW3930 Ontario
99
na
na
na
na
D3930
map
zone
digital
CWOP/APRSWX
801
 42.95417
-81.43472
2017
2016
2015
2014
2013
2012
-
-
-
-
12 Stayner DW6691
50
na
na
na
na
D6691
map
forecast
digital
CWOP/APRSWX
725
 44.41361
-80.09556
2017
-
-
-
-
13 Ottawa DW6828
90
na
na
na
na
D6828
map
zone
digital
CWOP/APRSWX
226
 45.46917
-75.53278
2017
-
-
-
-
14 Kanata DW7146
85
na
na
na
na
D7146
map
zone
digital
CWOP/APRSWX
394
 45.30611
-75.88806
2017
-
-
-
-
15 Owen Sound DW7232
95
na
na
na
na
D7232
map
forecast
digital
CWOP/APRSWX
1007
 44.57944
-80.96944
2017
-
-
-
-
16 Oshawa DW7240
87
na
na
na
na
D7240
map
zone
digital
CWOP/APRSWX
358
 43.89667
-78.87389
2017
-
-
-
-
17 Newmarket DW7492
71
na
na
na
na
D7492
map
zone
digital
CWOP/APRSWX
912
 44.03528
-79.43500
2017
-
-
-
-
18 Orillia DW7524
31
na
na
na
na
D7524
map
forecast
digital
CWOP/APRSWX
702
 44.63111
-79.43944
2017
-
-
-
-
19 Woodbridge DW8043
90
na
na
na
na
D8043
map
zone
digital
CWOP/APRSWX
584
 43.78944
-79.61194
2017
-
-
-
-
20 Barrie DW8291
96
na
na
na
na
D8291
map
zone
digital
CWOP/APRSWX
853
 44.39944
-79.65806
2017
-
-
-
-
21 Toronto DW9501
91
na
na
na
na
D9501
map
zone
digital
CWOP/APRSWX
604
 43.74083
-79.43306
2017
-
-
-
-
22 Hamilton DW9809
86
na
na
na
na
D9809
map
zone
digital
CWOP/APRSWX
305
 43.25278
-79.92250
2017
-
-
-
-
23 Niagara Falls DW9829
0
na
na
na
na
D9829
map
zone
digital
CWOP/APRSWX
610
 43.10944
-79.13639
2017
-
-
-
-
24 Elgin DW0331 Ontario
98
na
na
na
na
D0331
map
zone
digital
CWOP/APRSWX
367
 44.50861
-76.24333
2017
2016
2015
2014
2013
2012
2011
2010
2009
-
-
-
-
25 Pickering EW0314
45
na
na
na
na
E0314
map
zone
digital
CWOP/APRSWX
279
 43.83722
-79.08056
2017
-
-
-
-
26 Oakville EW0417
91
na
na
na
na
E0417
map
zone
digital
CWOP/APRSWX
586
 43.38278
-79.73472
2017
-
-
-
-
27 Plympton EW1160
98
na
na
na
na
E1160
map
zone
digital
CWOP/APRSWX
599
 43.06611
-82.15000
2017
-
-
-
-
28 Ottawa EW1467
86
na
na
na
na
E1467
map
zone
digital
CWOP/APRSWX
377
 45.27056
-75.76389
2017
-
-
-
-
29 Toronto EW1575
38
na
na
na
na
E1575
map
zone
digital
CWOP/APRSWX
459
 43.72861
-79.27194
2017
-
-
-
-
30 Alliston EW1832
5
na
na
na
na
E1832
map
zone
digital
CWOP/APRSWX
715
 44.15028
-79.87722
2017
2016
2015
-
-
-
-
31 Stoney Creek EW2129
88
na
na
na
na
E2129
map
zone
digital
CWOP/APRSWX
659
 43.19083
-79.79333
2017
-
-
-
-
32 Beamsville EW2219
76
na
na
na
na
E2219
map
zone
digital
CWOP/APRSWX
597
 43.10250
-79.42000
2017
-
-
-
-
33 Stittsville EW2262
80
na
na
na
na
E2262
map
zone
digital
CWOP/APRSWX
387
 45.25833
-75.92806
2017
-
-
-
-
34 Windsor EW2413 Wayne County
3
na
na
na
na
E2413
map
zone
digital
CWOP/APRSWX
66
 42.26222
-83.07278
2017
-
AVG nmme cfs
35 Rondeau EW2414
62
na
na
na
na
E2414
map
zone
digital
CWOP/APRSWX
72
 42.28167
-81.84361
2017
-
-
-
-
36 Owen Sound EW2417
96
na
na
na
na
E2417
map
forecast
digital
CWOP/APRSWX
180
 44.58556
-80.83472
2017
-
-
-
-
37 New Tecumseth EW2419
75
na
na
na
na
E2419
map
zone
digital
CWOP/APRSWX
754
 44.15722
-79.89861
2017
-
-
-
-
38 Roseneath EW2420
86
na
na
na
na
E2420
map
zone
digital
CWOP/APRSWX
361
 44.15111
-78.02361
2017
-
-
-
-
39 Lakefield EW2421
86
na
na
na
na
E2421
map
forecast
digital
CWOP/APRSWX
410
 44.62583
-78.04778
2017
-
-
-
-
40 South River EW2423
0
na
na
na
na
E2423
map
forecast
digital
CWOP/APRSWX
656
 45.83222
-79.48139
2017
-
-
-
-
41 Cobalt EW2424
0
na
na
na
na
E2424
map
forecast
digital
CWOP/APRSWX
984
 47.39056
-79.76028
2017
-
-
-
-
42 Gowganda EW2425
94
na
na
na
na
E2425
map
forecast
digital
CWOP/APRSWX
1148
 47.67056
-80.66611
2017
-
-
-
-
43 Sudbury EW2426
0
na
na
na
na
E2426
map
forecast
digital
CWOP/APRSWX
1142
 46.61778
-80.79944
2017
-
-
-
-
44 Bar River EW2428 Chippewa Cou
89
na
na
na
na
E2428
map
zone
digital
CWOP/APRSWX
325
 46.44000
-84.01806
2017
-
-
-
-
45 Bonnechere EW2429
99
na
na
na
na
E2429
map
forecast
digital
CWOP/APRSWX
886
 45.65778
-77.58028
2017
-
-
-
-
46 ThunderBay EW2438
94
na
na
na
na
E2438
map
zone
digital
CWOP/APRSWX
328
 48.40389
-89.62528
2017
-
-
-
-
47 Sioux Narrows EW2440
na
na
na
na
E2440
map
zone
digital
CWOP/APRSWX
732
 49.42028
-94.08333
2017
-
-
-
-
48 Caliper Lake EW2447
na
na
na
na
E2447
map
zone
digital
CWOP/APRSWX
771
 49.04472
-93.90111
2017
-
-
-
-
49 Caribou Falls EW2448
na
na
na
na
E2448
map
forecast
digital
CWOP/APRSWX
984
 50.25972
-94.95972
2017
-
-
-
-
50 Bradford EW2481
84
na
na
na
na
E2481
map
zone
digital
CWOP/APRSWX
864
 44.09861
-79.58556
2017
-
-
-
-
51 Acton EW2592
93
na
na
na
na
E2592
map
forecast
digital
CWOP/APRSWX
1260
 43.64139
-80.07500
2017
2016
2015
-
-
-
-
52 Kingsville EW2832
93
na
na
na
na
E2832
map
zone
digital
CWOP/APRSWX
614
 42.03194
-82.70028
2017
-
-
-
-
53 Perth EW3076
85
na
na
na
na
E3076
map
zone
digital
CWOP/APRSWX
476
 44.92056
-76.28500
2017
-
-
-
-
54 Ottawa EW3406
94
na
na
na
na
E3406
map
zone
digital
CWOP/APRSWX
331
 45.35778
-75.71611
2017
-
-
-
-
55 Barrie EW3552
99
na
na
na
na
E3552
map
zone
digital
CWOP/APRSWX
1033
 44.34111
-79.72778
2017
-
-
-
-
56 Ottawa EW3670
94
na
na
na
na
E3670
map
zone
digital
CWOP/APRSWX
256
 45.40417
-75.68944
2017
2016
2015
-
-
-
-
57 Scarborough EW4087
0
na
na
na
na
E4087
map
zone
digital
CWOP/APRSWX
607
 43.76694
-79.21111
2017
-
-
-
-
58 Toronto EW4242
81
na
na
na
na
E4242
map
zone
digital
CWOP/APRSWX
499
 43.75778
-79.37194
2017
-
-
-
-
59 Windsor EW4749 Wayne County
99
na
na
na
na
E4749
map
zone
digital
CWOP/APRSWX
626
 42.25056
-82.97056
2017
-
-
-
-
60 Ridgeway EW5040 Erie County
87
na
na
na
na
E5040
map
zone
digital
CWOP/APRSWX
594
 42.89444
-79.01944
2017
-
-
-
-
61 Cambridge EW5149
31
na
na
na
na
E5149
map
zone
digital
CWOP/APRSWX
948
 43.35139
-80.30056
2017
-
-
-
-
62 Honey Harbour EW5201
0
na
na
na
na
E5201
map
forecast
digital
CWOP/APRSWX
607
 44.99250
-79.94222
2017
-
-
-
-
63 Barrie EW5347
97
na
na
na
na
E5347
map
zone
digital
CWOP/APRSWX
778
 44.37861
-79.69472
2017
-
-
-
-
64 Owen Sound EW5425
93
na
na
na
na
E5425
map
zone
digital
CWOP/APRSWX
581
 44.55111
-80.93583
2017
-
-
-
-
65 Gorrie EW5466
97
na
na
na
na
E5466
map
zone
digital
CWOP/APRSWX
1181
 43.84111
-81.07611
2017
-
-
-
-
66 Milton EW5954
99
na
na
na
na
E5954
map
zone
digital
CWOP/APRSWX
2099
 43.52250
-79.88778
2017
-
-
-
-
67 Westport EW5998
95
na
na
na
na
E5998
map
zone
digital
CWOP/APRSWX
433
 44.67167
-76.36306
2017
-
-
-
-
68 Thornton EW6316
0
na
na
na
na
E6316
map
zone
digital
CWOP/APRSWX
1132
 44.25694
-79.76944
2017
-
-
-
-
69 Sudbury EW6694
99
na
na
na
na
E6694
map
forecast
digital
CWOP/APRSWX
777
 46.43194
-80.92889
2017
-
-
-
-
70 Dorset EW6771
97
na
na
na
na
E6771
map
forecast
digital
CWOP/APRSWX
1050
 45.44222
-78.82028
2017
-
-
-
-
71 Ottawa EW6946
89
na
na
na
na
E6946
map
zone
digital
CWOP/APRSWX
312
 45.28806
-75.75389
2017
-
-
-
-
72 Toronto EW7059
89
na
na
na
na
E7059
map
zone
digital
CWOP/APRSWX
394
 43.64861
-79.50944
2017
-
-
-
-
73 Shebandowan EW7934
98
na
na
na
na
E7934
map
zone
digital
CWOP/APRSWX
1489
 48.62722
-90.18778
2017
-
-
-
-
74 Ottawa EW7969
89
na
na
na
na
E7969
map
zone
digital
CWOP/APRSWX
380
 45.29500
-75.87056
2017
-
-
-
-
75 Ottawa EW8006
0
na
na
na
na
E8006
map
zone
digital
CWOP/APRSWX
206
 45.39083
-75.68500
2017
-
-
-
-
76 Fort Erie DW2224 Erie
99
na
na
na
na
D2224
map
zone
digital
CWOP/APRSWX
620
 42.88056
-78.98667
2017
2016
2015
2014
2013
2012
-
-
-
-
77 Ft Frances CW1890 Koochiching
90
na
na
na
na
C1890
map
zone
digital
CWOP/APRSWX
1112
 48.61222
-93.41417
2017
2016
2012
2011
2010
2009
2008
2007
AVG AVG nmme cfs
78 Grimsby CW0156 Ontario
89
na
na
na
na
C0156
map
zone
digital
CWOP/APRSWX
276
 43.20417
-79.57333
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
-
-
-
-
79 Leduc DW2483 Ontario
na
na
na
na
D2483
map
forecast
digital
CWOP/APRSWX
2402
 53.25667
-113.57500
2017
2015
2014
2013
2012
-
-
-
-
80 London VE3TEJ Ontario
92
na
na
na
na
AS442
map
zone
digital
CWOP/APRSWX
889
 42.93639
-81.24028
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
-
-
-
-
81 London VE3ZEB1 Ontario
97
na
na
na
na
AT872
map
zone
digital
CWOP/APRSWX
820
 42.96611
-81.24778
2017
2016
2015
2014
2013
2012
-
-
-
-
82 Mattawa VE3CEA13
98
na
na
na
na
AU770
map
forecast
digital
CWOP/APRSWX
643
 46.31278
-78.68000
2017
-
-
-
-
83 Millbrook DW5727 Ontario
90
na
na
na
na
D5727
map
zone
digital
CWOP/APRSWX
801
 44.15056
-78.44556
2017
2016
2015
2014
2013
2012
-
-
-
-
84 Mississauga VE3GOP
91
na
na
na
na
AS441
map
zone
digital
CWOP/APRSWX
633
 43.56194
-79.76528
2017
2012
2011
2010
2009
2008
-
-
-
-
85 Newmanville VE3BSM Saint Lawren
75
na
na
na
na
AR801
map
zone
digital
CWOP/APRSWX
381
 44.92806
-75.75778
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
-
-
-
-
86 Niagaraon-the-Lk VE3X Ontario
91
na
na
na
na
AS672
map
zone
digital
CWOP/APRSWX
322
 43.21944
-79.15056
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
-
-
-
-
87 North York CW4885 Ontario
70
na
na
na
na
C4885
map
zone
digital
CWOP/APRSWX
647
 43.75611
-79.45528
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
-
-
-
-
88 Petawawa VE3YF Ontario
96
na
na
na
na
AR943
map
forecast
digital
CWOP/APRSWX
463
 45.89361
-77.28306
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
-
-
-
-
89 Read VE3GSI Ontario
89
na
na
na
na
AP316
map
zone
digital
CWOP/APRSWX
476
 44.34611
-77.21361
2017
2016
2015
2014
2013
2012
2011
2009
2008
-
-
-
-
90 Sioux Narrows DW5155 Ontario
na
na
na
na
D5155
map
zone
digital
CWOP/APRSWX
1066
 49.38194
-94.11583
2017
2016
2015
2014
2013
-
-
-
-
91 Stouffville DW6304 Ontario
94
na
na
na
na
D6304
map
zone
digital
CWOP/APRSWX
955
 43.97861
-79.23667
2017
2016
2015
2014
2013
2012
-
-
-
-
92 Sudbury CW6803 Ontario
99
na
na
na
na
C6803
map
forecast
digital
CWOP/APRSWX
984
 46.65278
-81.02639
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
-
-
-
-
93 Tavistock DW0200 Ontario
96
na
na
na
na
D0200
map
zone
digital
CWOP/APRSWX
1096
 43.33500
-80.75528
2017
2016
2015
2014
2013
2012
2011
2010
2009
-
-
-
-
94 Thunder Bay VA3ROM Ontario
97
na
na
na
na
AS381
map
zone
digital
CWOP/APRSWX
722
 48.45250
-89.20944
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
-
-
-
-
95 Thunder Bay VE3RRP
98
na
na
na
na
AU116
map
zone
digital
CWOP/APRSWX
1476
 48.57778
-89.28972
2017
-
-
-
-
96 Tiverton CW8209 Ontario
90
na
na
na
na
C8209
map
zone
digital
CWOP/APRSWX
768
 44.32167
-81.52194
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
-
-
-
-
97 Toronto E York DW0132 Ontario
0
na
na
na
na
D0132
map
zone
digital
CWOP/APRSWX
440
 43.71417
-79.35611
2017
2016
2015
2014
2013
2012
2011
2010
2009
-
-
-
-
98 Unionville CW8618 Ontario
91
na
na
na
na
C8618
map
zone
digital
CWOP/APRSWX
590
 43.87528
-79.31278
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
-
-
-
-
99 VA3DLF Kingston
45
na
na
na
na
AV122
map
zone
digital
CWOP/APRSWX
524
 44.33222
-76.78917
2017
-
-
-
-
100 VA3NNW13 Waterloo
0
na
na
na
na
AU278
map
zone
digital
CWOP/APRSWX
1017
 43.45111
-80.56611
2017
-
-
-
-
101 VA3QB Fergus
92
na
na
na
na
AV202
map
forecast
digital
CWOP/APRSWX
1345
 43.69611
-80.38611
2017
-
-
-
-
102 Kitchner VE3KSR Ontario
83
na
na
na
na
AP321
map
zone
digital
CWOP/APRSWX
1248
 43.40417
-80.63333
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
-
-
-
-
103 Walkerton DW5903 Ontario
98
na
na
na
na
D5903
map
zone
digital
CWOP/APRSWX
906
 44.10000
-81.10000
2017
2015
2014
2013
2012
-
-
-
-
104 Wasaga Beach DW3238 Ontario
98
na
na
na
na
D3238
map
forecast
digital
CWOP/APRSWX
591
 44.49917
-80.04722
2017
2016
2015
2014
2013
2012
-
-
-
-
105 Westport DW0340 Ontario
97
na
na
na
na
D0340
map
zone
digital
CWOP/APRSWX
479
 44.59278
-76.40778
2017
2016
2015
2014
2013
2012
2011
2010
2009
-
-
-
-
106 Whitby CW1837 Ontario
86
na
na
na
na
C1837
map
zone
digital
CWOP/APRSWX
361
 43.90778
-78.92861
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
-
-
-
-
107 Wolfe Island DW4596 Jefferson
98
na
na
na
na
D4596
map
zone
digital
CWOP/APRSWX
267
 44.22194
-76.19222
2017
2016
2015
2014
2013
2012
AVG AVG nmme cfs
108 Woodstock DW4653 Ontario
98
na
na
na
na
D4653
map
zone
digital
CWOP/APRSWX
1033
 43.17250
-80.74500
2017
2016
2015
2014
2013
2012
-
-
-
-

[USPEST.ORG/WEA Home] [Feedback Survey] [Intro] [US DD Mapmaker] [Main Table Index] [Links]
National Plant Diagnostics Network Integrated Plant Protection Center at OSU Oregon State University The PRISM Group at OSU Fox Weather, LLC University of Utah Mesowest Western
 Region Pest Management Center National
 Institute of Food and Agriculture
All data provided "as is" and users assume all risk in its use - see full disclaimer. All NWS derived data is not subject to copyright protection. This site hosted by the Integrated Plant Protection Center at Oregon State University with support from the USDA National Plant Diagnostic Network, various USDA NIFA and RMA grants, and USDA IPM Centers - Western Region. Climate map data provided by OSU PRISM Group, realtime public weather data provided by U. Utah Mesowest and various other networks.
This site on-line since April 5, 1996; last update Mar. 23, 2017
Contact Len Coop, OSU IPPC and Horticulture Dept. at coopl@science.oregonstate.edu or 541-737-5523 if you have any questions about this information.