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Addison, Ontario

52°F
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Addison

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52°
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Addison, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Yellow Warning - Rainfall

May

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
65°
31°
27
73°
37°
28
69°
46°
29
Rain
54°
43°
30
Cloudy
51°
34°
1
Rain and drizzle in the p.m.
50°
34°
2
Cloudy, a few showers; cool
50°
36°
3
Some sun, then clouds; chilly
50°
39°
4
A shower in the p.m.; breezy
54°
45°
5
A little rain in the morning
54°
40°
6
Cloudy with afternoon rain
57°
45°
7
Rain
52°
39°
8
Cloudy
53°
41°
9
Mostly cloudy, a little rain
52°
41°
10
A little morning rain
54°
40°
11
Cloudy with a little rain
53°
40°
12
A little afternoon rain
57°
45°
13
Mostly cloudy
59°
37°
14
Mostly cloudy
63°
42°
15
Partial sunshine
60°
38°
16
Sunshine and some clouds
60°
39°
17
Cloudy
61°
40°
18
Cloudy with a little rain
63°
48°
19
Times of clouds and sun
65°
49°
20
Sun and clouds
71°
49°
21
Mostly cloudy
71°
48°
22
Cloudy
67°
43°
23
Rain
62°
47°
24
Partly sunny
67°
43°
25
Partly sunny
62°
42°
26
A thick cloud cover
64°
46°
27
Rain
63°
48°
28
Mostly cloudy
64°
52°
29
A little afternoon rain
70°
51°
30
Sun and clouds
69°
44°
31
Partly sunny
68°
43°
1
Overcast
64°
43°
2
Mostly sunny
65°
44°
3
Mostly sunny
66°
44°
4
Mostly cloudy
65°
45°
5
Mostly sunny
66°
45°
6
Rather cloudy
67°
51°

Temperature Graph

°F
80° 70° 60° 50° 40° May
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

May Weather in Addison

Addison's May 2026 forecast shows daily high temperatures ranging from 50° to 71°, with overnight lows between 34° and 52°. The average high for May is 61° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Addison. See also: June | July | August.

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June 2026

July 2026

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World North America Canada Ontario Addison

Weather Near Addison:

  • Gatineau, Quebec
  • Ottawa, Ontario
  • Syracuse, NY
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