Addison (Eastern Ontario) — Weather
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26°C79°F· Drizzle · 55% cloud cover
Feels like 26°C79°F · Low 19°C67°F · High 26°C79°F
Wind
12 km/h3 m/s7 mph from W
Humidity
60%
Pressure
1011 hPa29.85 inHgstable
UV Index
4.1Moderate
Unsettled — rain
Right now in Addison: 26°C79°F, rain.
⛈️ Wet period, high-intensity Saturday–Sunday, with rain and embedded thunderstorms. Total ~30.6 mm. Peak Saturday (22.4 mm). Typical for the month (normal ~79 mm/month).
🔥 The July norm is 20°C68°F; today's 26°C79°F is 5.4°C39°F markedly warmer than that.
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
Now
26°C79°F
127
60
18:00
25°C77°F
96
64
19:00
25°C76°F
74
70
20:00
23°C74°F
53
78
21:00
22°C71°F
53
83
22:00
20°C69°F
53
87
23:00
19°C67°F
53
88
00:00
19°C66°F
53
87
01:00
18°C65°F
64
87
02:00
18°C64°F
74
88
03:00
18°C64°F
85
89
04:00
18°C64°F
85
91
05:00
18°C64°F
85
92
06:00
17°C63°F
75
94
07:00
18°C65°F
85
92
08:00
20°C68°F
96
89
09:00
22°C71°F
106
84
10:00
23°C73°F
127
79
11:00
24°C76°F
138
72
12:00
25°C78°F
1510
60
13:00
26°C79°F
1811
49
14:00
26°C79°F
1811
47
15:00
26°C80°F
1811
44
16:00
26°C79°F
1811
40
17:00
26°C78°F
1610
36
18:00
24°C76°F
138
37
19:00
23°C73°F
106
47
20:00
21°C69°F
85
58
21:00
18°C65°F
74
67
22:00
17°C63°F
74
70
23:00
16°C62°F
74
72
00:00
16°C61°F
74
73
03:00
14°C58°F
43
80
06:00
13°C55°F
42
86
09:00
18°C64°F
53
76
12:00
21°C69°F
64
59
15:00
23°C73°F
85
51
18:00
23°C73°F
85
54
21:00
19°C65°F
85
79
00:00
16°C62°F
53
84
03:00
16°C61°F
0.20.01
74
82
mminkm/hm/smphHumidity %
Daily Forecast
TodayW 12 km/h3 m/s7 mph(gusts 371023)76%UV 410hTodayDrizzle76%W 12 km/h3 m/s7 mph (gusts 371023)UV 410h
Today
W 12 km/h3 m/s7 mph(gusts 371023)76%UV 410h
Today
Drizzle
76%
W 12 km/h3 m/s7 mph (gusts 371023)
UV 4
10h
Today — Hourly Forecast
Now
26°C79°F
1237
18:00
25°C77°F
936
19:00
25°C76°F
724
20:00
23°C74°F
523
21:00
22°C71°F
513
22:00
20°C69°F
513
23:00
19°C67°F
513
05:3215.2h20:46
TomorrowW 18 km/h5 m/s11 mph(gusts 441227)70%UV 311hTomorrowDrizzle70%W 18 km/h5 m/s11 mph (gusts 441227)UV 311h
Tomorrow
W 18 km/h5 m/s11 mph(gusts 441227)70%UV 311h
Tomorrow
Drizzle
70%
W 18 km/h5 m/s11 mph (gusts 441227)
UV 3
11h
Tomorrow — Hourly Forecast
00:00
19°C66°F
513
01:00
18°C65°F
624
02:00
18°C64°F
724
03:00
18°C64°F
825
04:00
18°C64°F
825
05:00
18°C64°F
825
06:00
17°C63°F
725
07:00
18°C65°F
825
08:00
20°C68°F
936
09:00
22°C71°F
1036
10:00
23°C73°F
1237
11:00
24°C76°F
1348
12:00
25°C78°F
15410
13:00
26°C79°F
18511
14:00
26°C79°F
18511
15:00
26°C80°F
18511
16:00
26°C79°F
18511
17:00
26°C78°F
16510
18:00
24°C76°F
1348
19:00
23°C73°F
1036
20:00
21°C69°F
825
21:00
18°C65°F
724
22:00
17°C63°F
724
23:00
16°C62°F
724
05:3315.2h20:45
FridayW 9 km/h3 m/s6 mph(gusts 21613)70%UV 36hFridayOvercast70%W 9 km/h3 m/s6 mph (gusts 21613)UV 36h
Friday
W 9 km/h3 m/s6 mph(gusts 21613)70%UV 36h
Friday
Overcast
70%
W 9 km/h3 m/s6 mph (gusts 21613)
UV 3
6h
Friday — Forecast Overview
00:00
16°C61°F
724
03:00
14°C58°F
413
06:00
13°C55°F
412
09:00
18°C64°F
513
12:00
21°C69°F
624
15:00
23°C73°F
825
18:00
23°C73°F
825
21:00
19°C65°F
825
05:3415.2h20:45
Saturday22.4 mm0.88 in· heavyS 13 km/h4 m/s8 mph(gusts 32920)91%UV 22hSaturdayLight rain91%S 13 km/h4 m/s8 mph (gusts 32920)22.4 mm0.88 inUV 22h
Saturday
22.4 mm0.88 in· heavyS 13 km/h4 m/s8 mph(gusts 32920)91%UV 22h
Saturday
Light rain
91%
S 13 km/h4 m/s8 mph (gusts 32920)
22.4 mm0.88 in
UV 2
2h
Saturday — Forecast Overview
00:00
16°C62°F
523
03:00
16°C61°F
724
06:00
16°C61°F
724
09:00
16°C61°F
926
12:00
17°C62°F
624
15:00
19°C67°F
624
18:00
22°C71°F
1137
21:00
20°C69°F
1348
05:3515.1h20:44
Sunday8.2 mm0.32 in· heavyNW 22 km/h6 m/s13 mph(gusts 461329)71%UV 211hSundayLight rain71%NW 22 km/h6 m/s13 mph (gusts 461329)8.2 mm0.32 inUV 211h
Sunday
8.2 mm0.32 in· heavyNW 22 km/h6 m/s13 mph(gusts 461329)71%UV 211h
Sunday
Light rain
71%
NW 22 km/h6 m/s13 mph (gusts 461329)
8.2 mm0.32 in
UV 2
11h
Sunday — Forecast Overview
00:00
17°C63°F
1036
03:00
16°C61°F
21613
06:00
14°C58°F
22613
09:00
17°C63°F
20613
12:00
22°C71°F
19512
15:00
24°C75°F
16410
18:00
23°C74°F
1238
21:00
17°C62°F
312
05:3615.1h20:43
MondaySW 21 km/h6 m/s13 mph(gusts 491430)74%UV 26hMondayOvercast74%SW 21 km/h6 m/s13 mph (gusts 491430)UV 26h
Monday
SW 21 km/h6 m/s13 mph(gusts 491430)74%UV 26h
Monday
Overcast
74%
SW 21 km/h6 m/s13 mph (gusts 491430)
UV 2
6h
Night15°C58°F
15°C58°FMorning23°C73°F
23°C73°FAfternoon23°C73°F
23°C73°FEvening23°C74°F
23°C74°F05:3715.1h20:42
Tuesday9.5 mm0.38 in· heavyNW 19 km/h5 m/s12 mph(gusts 431227)83%UV 21hTuesdayLight rain83%NW 19 km/h5 m/s12 mph (gusts 431227)9.5 mm0.38 inUV 21h
Tuesday
9.5 mm0.38 in· heavyNW 19 km/h5 m/s12 mph(gusts 431227)83%UV 21h
Tuesday
Light rain
83%
NW 19 km/h5 m/s12 mph (gusts 431227)
9.5 mm0.38 in
UV 2
1h
Night21°C69°F
21°C69°FMorning18°C64°F
18°C64°FAfternoon18°C64°F
18°C64°FEvening17°C62°F
17°C62°F05:3815.1h20:41
WednesdayW 15 km/h4 m/s10 mph(gusts 361022)65%UV 212hWednesdayPartly cloudy65%W 15 km/h4 m/s10 mph (gusts 361022)UV 212h
Wednesday
W 15 km/h4 m/s10 mph(gusts 361022)65%UV 212h
Wednesday
Partly cloudy
65%
W 15 km/h4 m/s10 mph (gusts 361022)
UV 2
12h
Night14°C58°F
14°C58°FMorning18°C65°F
18°C65°FAfternoon18°C65°F
18°C65°FEvening20°C67°F
20°C67°F05:3915h20:40
Extended Forecast (GFS)ThursdayS 9 km/h3 m/s6 mph(gusts 18511)66%15hThursdayClear66%S 9 km/h3 m/s6 mph (gusts 18511)15h
Thursday
S 9 km/h3 m/s6 mph(gusts 18511)66%15h
Thursday
Clear
66%
S 9 km/h3 m/s6 mph (gusts 18511)
15h
Night15°C59°F
15°C59°FMorning24°C76°F
24°C76°FAfternoon24°C76°F
24°C76°FEvening22°C72°F
22°C72°F05:4015h20:39
Friday2.4 mm0.10 inS 22 km/h6 m/s13 mph(gusts 521432)75%14hFridayDrizzle75%S 22 km/h6 m/s13 mph (gusts 521432)2.4 mm0.10 in14h
Friday
2.4 mm0.10 inS 22 km/h6 m/s13 mph(gusts 521432)75%14h
Friday
Drizzle
75%
S 22 km/h6 m/s13 mph (gusts 521432)
2.4 mm0.10 in
14h
Night17°C63°F
17°C63°FMorning25°C77°F
25°C77°FAfternoon25°C77°F
25°C77°FEvening20°C67°F
20°C67°F05:4115h20:38
Saturday6.7 mm0.26 in· heavySW 25 km/h7 m/s16 mph(gusts 411125)75%15hSaturdayRain75%SW 25 km/h7 m/s16 mph (gusts 411125)6.7 mm0.26 in15h
Saturday
6.7 mm0.26 in· heavySW 25 km/h7 m/s16 mph(gusts 411125)75%15h
Saturday
Rain
75%
SW 25 km/h7 m/s16 mph (gusts 411125)
6.7 mm0.26 in
15h
Night19°C67°F
19°C67°FMorning24°C75°F
24°C75°FAfternoon24°C75°F
24°C75°FEvening17°C63°F
17°C63°F05:4214.9h20:37
SundayW 17 km/h5 m/s10 mph(gusts 401125)68%15hSundayClear68%W 17 km/h5 m/s10 mph (gusts 401125)15h
Sunday
W 17 km/h5 m/s10 mph(gusts 401125)68%15h
Sunday
Clear
68%
W 17 km/h5 m/s10 mph (gusts 401125)
15h
Night14°C58°F
14°C58°FMorning12°C53°F
12°C53°FAfternoon12°C53°F
12°C53°FEvening15°C59°F
15°C59°F05:4314.9h20:36
MondayNW 15 km/h4 m/s9 mph(gusts 371023)58%15hMondayClear58%NW 15 km/h4 m/s9 mph (gusts 371023)15h
Monday
NW 15 km/h4 m/s9 mph(gusts 371023)58%15h
Monday
Clear
58%
NW 15 km/h4 m/s9 mph (gusts 371023)
15h
Night11°C52°F
11°C52°FMorning19°C66°F
19°C66°FAfternoon19°C66°F
19°C66°FEvening17°C63°F
17°C63°F05:4414.9h20:35
TuesdayW 11 km/h3 m/s7 mph(gusts 26716)56%15hTuesdayClear56%W 11 km/h3 m/s7 mph (gusts 26716)15h
Tuesday
W 11 km/h3 m/s7 mph(gusts 26716)56%15h
Tuesday
Clear
56%
W 11 km/h3 m/s7 mph (gusts 26716)
15h
Night12°C54°F
12°C54°FMorning23°C73°F
23°C73°FAfternoon23°C73°F
23°C73°FEvening19°C66°F
19°C66°F05:4514.8h20:34
WednesdaySW 15 km/h4 m/s9 mph(gusts 29818)63%15hWednesdayClear63%SW 15 km/h4 m/s9 mph (gusts 29818)15h
Wednesday
SW 15 km/h4 m/s9 mph(gusts 29818)63%15h
Wednesday
Clear
63%
SW 15 km/h4 m/s9 mph (gusts 29818)
15h
Night16°C60°F
16°C60°FMorning25°C77°F
25°C77°FAfternoon25°C77°F
25°C77°FEvening21°C69°F
21°C69°F05:4614.8h20:33
ThursdayS 10 km/h3 m/s6 mph59%15hThursdayClear59%S 10 km/h3 m/s6 mph15h
Thursday
S 10 km/h3 m/s6 mph59%15h
Thursday
Clear
59%
S 10 km/h3 m/s6 mph
15h
Night16°C61°F
16°C61°FMorning26°C80°F
26°C80°FAfternoon26°C80°F
26°C80°FEvening23°C73°F
23°C73°F05:4714.7h20:32
Sunrise
05:32
Civil Dawn 05:02
Sunset
20:46
Civil Dusk 21:16
Today vs. seasonal normal
-0.1°C-0.2°F
Addison is located in Ontario, Canada. Elevation: 122m. Annual average temperature: 6°C. Annual precipitation: 949mm.
Frequently Asked Questions
What is the weather like in Addison today?
Today in Addison, Canada, the temperature is 26°C with Drizzle. The high is 26°C and the low is 19°C.
What is the 16-day forecast for Addison?
The 16-day forecast for Addison shows the warmest day is Thursday at 29°C, while the coolest night is Monday at 9°C. 7 day(s) have precipitation expected.
What time is sunrise and sunset in Addison?
In Addison, sunrise is at 05:32 and sunset is at 20:46. Day length is approximately 15h 13m.
How accurate is the weather forecast for Addison?
Our forecasts for Addison use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Addison has an annual average temperature of 6°C and receives 949mm of precipitation per year.
Last updated: 07/15/2026, 05:00 PM
July climate in Addison
Normals for July: average 20°C (15–26°C), around 79 mm of rain across the month. About 14°C warmer than the annual average of 6°C.
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