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 Aurora VE3CGR6
65
na
na
na
na
AU023
map
digital
CWOP/APRSWX
900
 43.99500
-79.46333
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
2 Brampton VE3FWM
67
na
na
na
na
AV116
map
digital
CWOP/APRSWX
643
 43.71417
-79.69806
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
3 Cherry Valley VA3JLF1 Ontario
67
na
na
na
na
AT413
map
digital
CWOP/APRSWX
131
 43.93389
-77.16000
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
nmme
-
4 Devlin DW4685 Koochiching
84
na
na
na
na
D4685
map
digital
CWOP/APRSWX
1152
 48.62056
-93.60694
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
nmme
-
5 Komoka DW3930 Ontario
82
na
na
na
na
D3930
map
digital
CWOP/APRSWX
801
 42.95417
-81.43472
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
6 Ottawa DW6828
4
na
na
na
na
D6828
map
digital
CWOP/APRSWX
226
 45.46917
-75.53278
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
7 Kanata DW7146
79
na
na
na
na
D7146
map
digital
CWOP/APRSWX
394
 45.30611
-75.88806
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
8 Oshawa DW7240
70
na
na
na
na
D7240
map
digital
CWOP/APRSWX
358
 43.89667
-78.87389
2024
2023
2022
2021
2020
2019
2018
2017
-
-
nmme
-
9 Toronto DW9501
71
na
na
na
na
D9501
map
digital
CWOP/APRSWX
604
 43.74083
-79.43306
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
10 Harrow DW9657 Wayne County
72
na
na
na
na
D9657
map
digital
CWOP/APRSWX
623
 42.04861
-82.99028
2024
2023
2022
2021
2020
2019
-
-
nmme
-
11 Hamilton DW9809
73
na
na
na
na
D9809
map
digital
CWOP/APRSWX
305
 43.25278
-79.92250
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
12 Elgin DW0331 Ontario
82
na
na
na
na
D0331
map
digital
CWOP/APRSWX
367
 44.50861
-76.24333
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
13 Plympton EW1160
81
na
na
na
na
E1160
map
digital
CWOP/APRSWX
599
 43.06611
-82.15000
2024
2023
2022
2021
2020
2019
2018
2017
-
-
nmme
-
14 Campbellford EW1385
81
na
na
na
na
E1385
map
digital
CWOP/APRSWX
515
 44.30778
-77.79028
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
15 Beamsville EW2219
62
na
na
na
na
E2219
map
digital
CWOP/APRSWX
597
 43.10250
-79.42000
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
16 Stittsville EW2262
80
na
na
na
na
E2262
map
digital
CWOP/APRSWX
387
 45.25833
-75.92806
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
17 Orleans EW2286
83
na
na
na
na
E2286
map
digital
CWOP/APRSWX
312
 45.45861
-75.48194
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
18 Owen Sound EW2417
93
na
na
na
na
E2417
map
digital
CWOP/APRSWX
180
 44.58556
-80.83472
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
19 New Tecumseth EW2419
72
na
na
na
na
E2419
map
digital
CWOP/APRSWX
754
 44.15722
-79.89861
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
20 Roseneath EW2420
65
na
na
na
na
E2420
map
digital
CWOP/APRSWX
361
 44.15111
-78.02361
2024
2023
2022
2021
2020
2019
2018
2017
-
-
nmme
-
21 Acton EW2592
68
na
na
na
na
E2592
map
digital
CWOP/APRSWX
1260
 43.64139
-80.07500
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
-
-
-
-
22 Kingsville EW2832
76
na
na
na
na
E2832
map
digital
CWOP/APRSWX
614
 42.03194
-82.70028
2024
2023
2022
2021
2020
2019
2018
2017
-
-
nmme
-
23 Perth EW3076
75
na
na
na
na
E3076
map
digital
CWOP/APRSWX
476
 44.92056
-76.28500
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
24 Barrie EW3552
61
na
na
na
na
E3552
map
digital
CWOP/APRSWX
1033
 44.34111
-79.72778
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
25 Hamilton EW3591
70
na
na
na
na
E3591
map
digital
CWOP/APRSWX
715
 43.21361
-79.89139
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
26 Ottawa EW3670
92
na
na
na
na
E3670
map
digital
CWOP/APRSWX
256
 45.40417
-75.68944
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
-
-
-
-
27 Toronto EW4242
64
na
na
na
na
E4242
map
digital
CWOP/APRSWX
499
 43.75778
-79.37194
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
28 Ridgeway EW5040 Erie County
73
na
na
na
na
E5040
map
digital
CWOP/APRSWX
594
 42.89444
-79.01944
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
29 Cambridge EW5149
58
na
na
na
na
E5149
map
digital
CWOP/APRSWX
948
 43.35139
-80.30056
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
30 Owen Sound EW5425
85
na
na
na
na
E5425
map
digital
CWOP/APRSWX
581
 44.55111
-80.93583
2024
2023
2022
2021
2020
2019
2018
2017
-
-
nmme
-
31 Gorrie EW5466
81
na
na
na
na
E5466
map
digital
CWOP/APRSWX
1181
 43.84111
-81.07611
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
32 Westport EW5998
83
na
na
na
na
E5998
map
digital
CWOP/APRSWX
433
 44.67167
-76.36306
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
33 Sudbury EW6694
90
na
na
na
na
E6694
map
digital
CWOP/APRSWX
777
 46.43194
-80.92889
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
34 South Bay EW6772
23
na
na
na
na
E6772
map
digital
CWOP/APRSWX
675
 45.66472
-81.98250
2024
2023
2022
2021
2020
2019
-
-
nmme
-
35 Ottawa EW6946
80
na
na
na
na
E6946
map
digital
CWOP/APRSWX
312
 45.28806
-75.75389
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
36 London EW7603
86
na
na
na
na
E7603
map
digital
CWOP/APRSWX
813
 43.02917
-81.22222
2024
2023
2022
2021
2020
2019
-
-
-
-
37 Fergus DW0452 Ontario
67
na
na
na
na
D0452
map
digital
CWOP/APRSWX
1385
 43.71500
-80.37583
2024
2023
2022
2021
2020
2019
2018
2017
2014
2013
-
-
-
-
38 Fort Erie DW2224 Erie
83
na
na
na
na
D2224
map
digital
CWOP/APRSWX
620
 42.88056
-78.98667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
nmme
-
39 Ft Frances CW1890 Koochiching
61
na
na
na
na
C1890
map
digital
CWOP/APRSWX
1112
 48.61222
-93.41417
2024
2023
2022
2021
2020
2019
2018
2017
2016
AVG AVG nmme
-
40 FW0018 Huntsville
82
na
na
na
na
F0018
map
digital
CWOP/APRSWX
1161
 45.43417
-79.22972
2024
2023
2022
2021
2020
2019
-
-
-
-
41 FW0114 Metcalfe
78
na
na
na
na
F0114
map
digital
CWOP/APRSWX
278
 45.23417
-75.45917
2024
2023
2022
2021
2020
2019
-
-
-
-
42 FW2530 Middlesex Centr
89
na
na
na
na
F2530
map
digital
CWOP/APRSWX
915
 42.99000
-81.42917
2024
2023
2022
2021
2020
2019
2018
-
-
-
-
43 FW3309 Owen Sound
87
na
na
na
na
F3309
map
digital
CWOP/APRSWX
584
 44.61861
-80.90444
2024
2023
2022
2021
2020
2019
-
-
nmme
-
44 FW3871 Woodbridge
73
na
na
na
na
F3871
map
digital
CWOP/APRSWX
735
 43.83667
-79.57722
2024
2023
2022
2021
2020
2019
-
-
-
-
45 FW4609 Hamilton
65
na
na
na
na
F4609
map
digital
CWOP/APRSWX
688
 43.22139
-79.86944
2024
2023
2022
2021
2020
2019
-
-
-
-
46 FW4738 Morewood
81
na
na
na
na
F4738
map
digital
CWOP/APRSWX
252
 45.17472
-75.28000
2024
2023
2022
2021
2020
2019
-
-
-
-
47 FW5184 Aikensville
67
na
na
na
na
F5184
map
digital
CWOP/APRSWX
1086
 43.45389
-80.21944
2024
2023
2022
2021
2020
2019
-
-
-
-
48 Grimsby CW0156 Ontario
73
na
na
na
na
C0156
map
digital
CWOP/APRSWX
276
 43.20417
-79.57333
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
nmme
-
49 Innisfil VE3FWM1
70
na
na
na
na
AV321
map
digital
CWOP/APRSWX
718
 44.39833
-79.53361
2024
2023
2022
2021
2020
2019
-
-
-
-
50 London VE3TEJ Ontario
78
na
na
na
na
AS442
map
digital
CWOP/APRSWX
889
 42.93639
-81.24028
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
51 London VE3ZEB1 Ontario
74
na
na
na
na
AT872
map
digital
CWOP/APRSWX
820
 42.96611
-81.24778
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
52 Millbrook DW5727 Ontario
64
na
na
na
na
D5727
map
digital
CWOP/APRSWX
801
 44.15056
-78.44556
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
53 Mississauga VE3GOP
83
na
na
na
na
AS441
map
digital
CWOP/APRSWX
633
 43.56194
-79.76528
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
54 Read VE3GSI Ontario
75
na
na
na
na
AP316
map
digital
CWOP/APRSWX
476
 44.34611
-77.21361
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
55 Stouffville DW6304 Ontario
73
na
na
na
na
D6304
map
digital
CWOP/APRSWX
955
 43.97861
-79.23667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
56 Unionville CW8618 Ontario
9
na
na
na
na
C8618
map
digital
CWOP/APRSWX
590
 43.87528
-79.31278
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
57 VA3NNW13 Waterloo
47
na
na
na
na
AU278
map
digital
CWOP/APRSWX
1017
 43.45111
-80.56611
2024
2023
2022
2021
2020
2019
2018
2017
-
-
-
-
58 Kincardine VE3COE Ontario
84
na
na
na
na
AR279
map
digital
CWOP/APRSWX
650
 44.18861
-81.63667
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2013
-
-
nmme
-
59 Kitchner VE3KSR Ontario
52
na
na
na
na
AP321
map
digital
CWOP/APRSWX
1248
 43.40417
-80.63333
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
60 Walkerton DW5903 Ontario
85
na
na
na
na
D5903
map
digital
CWOP/APRSWX
906
 44.10000
-81.10000
2024
2023
2022
2021
2020
2019
2018
2017
2015
2014
2013
-
-
-
-
61 Westport DW0340 Ontario
66
na
na
na
na
D0340
map
digital
CWOP/APRSWX
479
 44.59278
-76.40778
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
-
-
62 Whitby CW1837 Ontario
77
na
na
na
na
C1837
map
digital
CWOP/APRSWX
361
 43.90778
-78.92861
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
-
-
nmme
-
63 Wolfe Island DW4596 Jefferson
57
na
na
na
na
D4596
map
digital
CWOP/APRSWX
267
 44.22194
-76.19222
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
AVG AVG nmme
-

[USPEST.ORG/WEA Home] [Intro] [US DD Mapmaker] [Main Table Index] [Links]
Oregon IPM Center at State University National Plant Diagnostics Network 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 Oregon IPM Center at Oregon State University with support from USDA APHIS, various USDA NIFA grants, and USDA Western Region IPM Center. 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 Jan. 3, 2024
Contact Len Coop, OSU IPPC and Horticulture Dept. at coopl@science.oregonstate.edu or if you have any questions about this information.