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Grimsby, Ontario

49°F
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Grimsby

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49°
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Grimsby, 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

November

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
1
Plenty of sunshine
65°
53°
2
Mostly cloudy and warm
68°
56°
3
Cloudy and warm
68°
58°
4
Some sun; breezy in the p.m.
73°
58°
5
Rain most of the time
64°
53°
6
Cloudy, rain; windy
60°
48°
7
Cloudy with a little rain
54°
45°
8
Remaining cloudy
55°
42°
9
Mostly sunny
51°
42°
10
Cloudy
51°
45°
11
Mostly cloudy
50°
42°
12
Cloudy with a little rain
49°
39°
13
Cloudy
48°
35°
14
Cloudy
50°
41°
15
Shifting clouds and sun
52°
33°
16
Rather cloudy
49°
40°
17
A few showers in the morning
48°
41°
18
A.M. showers; mostly cloudy
53°
42°
19
Partly sunny
54°
40°
20
Cloudy with a little rain
51°
41°
21
Very windy; a little rain
53°
35°
22
Cooler; a little morning rain
41°
33°
23
Some sun
39°
33°
24
Mostly cloudy
38°
31°
25
Partly sunny
38°
31°
26
Cloudy most of the time
38°
33°
27
Times of clouds and sun
38°
34°
28
Cloudy
41°
32°
29
A couple of morning showers
47°
37°
30
Remaining cloudy
49°
37°
1
A little afternoon rain
47°
36°
2
Cloudy
48°
36°
3
Mostly cloudy
47°
35°
4
Considerable cloudiness
44°
35°
5
Solid cloud cover
46°
34°

Temperature Graph

°F
80° 68° 56° 44° 32° Nov
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
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

November Weather in Grimsby

Grimsby's November 2026 forecast shows daily high temperatures ranging from 38° to 73°, with overnight lows between 31° and 58°. The average high for November is 50° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how November weather will actually feel in Grimsby. See also: December | January | February.

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Weather Near Grimsby:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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