Sarnia Weather Conditions
Current Temperature Level
4 °C
39 AQI
Air quality index is: Good
Last Updated: 2025-10-25 21:45 (Local Time)
MapSarnia
Sarnia Weather Parameters
10 km/h
5 m/s
37° NE
50 %
14 km
0 mm
1030 mb
UV Index0
Suggestions for
SundaySarnia26 Oct.
Umbrella• Optional
Clothing• More Layered
Driving• Enjoy Driving
Sunscreen• ApplySarnia 10-Days Weather Forecast
Today
7°C
75 %Monday
6°C75 %Tuesday
7°C76 %Wednesday
7°C64 %Thursday
6°C73 %Friday
8°C65 %Saturday
7°C66 %Sunday
8°C83 %Monday
8°C78 %Tuesday
7°C66 %Sunny
Clear Sky with temperature at 7 °C and humidity will be at 75% with 14 km/h winds.13°C / 2°C
Humi.75 %
Prec.0 mm
Sunrise
07:57 AM10hrs 32min
Sunset
06:29 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
5 °C
70 %
0
7.6 kmph / NNE
Clear 
Feels 2.9 °C
Cover 0 %
Visibility 10 km
1 AM
Clear
5 °C
72 %
0
6.1 kmph / NNE
Clear Feels 3.8 °C
Cover 1 %
Visibility 10 km
2 AM
Overcast
5 °C
78 %
0
5.8 kmph / NNE
Overcast Feels 4 °C
Cover 100 %
Visibility 10 km
3 AM
Partly Cloudy
5 °C
80 %
0
5 kmph / NNE
Partly Cloudy Feels 4.1 °C
Cover 62 %
Visibility 10 km
4 AM
Clear
5 °C
83 %
0
6.1 kmph / NE
Clear Feels 3.5 °C
Cover 13 %
Visibility 10 km
5 AM
Partly Cloudy
5 °C
88 %
0
8.3 kmph / ENE
Partly Cloudy Feels 2.7 °C
Cover 58 %
Visibility 10 km
6 AM
Clear
4 °C
90 %
0
8.6 kmph / E
Clear Feels 1.5 °C
Cover 1 %
Visibility 10 km
7 AM
Clear
3 °C
93 %
0
9 kmph / E
Clear Feels 0.4 °C
Cover 1 %
Visibility 10 km
8 AM
Sunny
5 °C
90 %
0
9 kmph / E
SunnyFeels 2.3 °C
Cover 2 %
Visibility 10 km
9 AM
Cloudy
6 °C
80 %
0.2
9 kmph / E
Cloudy Feels 3.5 °C
Cover 64 %
Visibility 10 km
10 AM
Partly Cloudy
7 °C
74 %
0.6
10.1 kmph / E
Partly Cloudy Feels 4.8 °C
Cover 40 %
Visibility 10 km
11 AM
Partly Cloudy
8 °C
68 %
1.4
11.2 kmph / ENE
Partly Cloudy Feels 6.1 °C
Cover 32 %
Visibility 10 km
12 PM
Sunny
9 °C
65 %
2.2
12.6 kmph / ENE
SunnyFeels 7.4 °C
Cover 19 %
Visibility 10 km
1 PM
Sunny
11 °C
62 %
2.8
13.3 kmph / NE
SunnyFeels 9.5 °C
Cover 10 %
Visibility 10 km
2 PM
Sunny
12 °C
61 %
2.8
11.9 kmph / NE
SunnyFeels 10.5 °C
Cover 1 %
Visibility 10 km
3 PM
Sunny
12 °C
60 %
2.2
11.5 kmph / NE
SunnyFeels 10.9 °C
Cover 0 %
Visibility 10 km
4 PM
Sunny
12 °C
61 %
1.4
13.7 kmph / NNE
SunnyFeels 10.8 °C
Cover 0 %
Visibility 10 km
5 PM
Sunny
11 °C
64 %
0.6
14 kmph / NNE
SunnyFeels 9.5 °C
Cover 0 %
Visibility 10 km
6 PM
Sunny
10 °C
71 %
0.1
13 kmph / NNE
SunnyFeels 8.2 °C
Cover 5 %
Visibility 10 km
7 PM
Clear
8 °C
79 %
0
12.6 kmph / NE
Clear Feels 6.2 °C
Cover 5 %
Visibility 10 km
8 PM
Clear
7 °C
81 %
0
13.7 kmph / NE
Clear Feels 4.9 °C
Cover 11 %
Visibility 10 km
9 PM
Clear
7 °C
81 %
0
13.7 kmph / ENE
Clear Feels 4.1 °C
Cover 11 %
Visibility 10 km
10 PM
Clear
6 °C
81 %
0
13 kmph / E
Clear Feels 3.6 °C
Cover 12 %
Visibility 10 km
11 PM
Clear
6 °C
59 %
0
12.6 kmph / E
Clear Feels 2.9 °C
Cover 0 %
Visibility 10 km
Today
7°C75 %Monday
6°C75 %Tuesday
7°C76 %Wednesday
7°C64 %Thursday
6°C73 %Friday
8°C65 %Saturday
7°C66 %Sunday
8°C83 %Monday
8°C78 %Tuesday
7°C66 %Temp5 °C
ConditionClear
Humidity70 %
Feels2.9 °C
Cover0 %
Visibility10 km
Wind Speed & Dir.7.6 kmph / NNE
UV0
Sarnia 30-Days (October 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Wed.
24°9 °C
2Thu.
28°7 °C
3Fri.
30°8 °C
4Sat.
33°13 °C
5Sun.
32°15 °C
6Mon.
31°16 °C
7Tue.
19°13 °C
8Wed.
15°9 °C
9Thu.
18°3 °C
10Fri.
21°4 °C
11Sat.
18°8 °C
12Sun.
22°6 °C
13Mon.
23°8 °C
14Tue.
18°4 °C
15Wed.
16°10 °C
16Thu.
18°5 °C
17Fri.
21°3 °C
18Sat.
28°14 °C
19Sun.
19°10 °C
20Mon.
15°7 °C
21Tue.
17°7 °C
22Wed.
12°5 °C
23Thu.
11°5 °C
24Fri.
12°3 °C
25Today
11°2 °C
26Sun.
9°3 °C
27Mon.
13°1 °C
28Tue.
14°4 °C
29Wed.
11°5 °C
30Thu.
10°7 °C
31Fri.
12°3 °C
OctoberWeather Overview
No. of days:
Sunny
17
Cloudy
5
Rainy
9
Snowy
0
The monthly weather averages in Sarnia consist of 17 sunny days, 5 cloudy days, 9 rainy days, and 0 snowy days.
Sarnia's Locations Weather Conditions
Canada's Hottest Cities - October 2025
1.
Regina, Canada
Overcast
44%
0
10.4 kmph / NNW
2.
Medicine Hat, Canada
Light rain
44%
0
19.1 kmph / E
3.
Redcliff, Canada
Light rain
44%
0
23 kmph / E
4.
Yorkton, Canada
Clear
59%
0
14.4 kmph / SSE
5.
Lethbridge, Canada
Partly cloudy
47%
0
13 kmph / SE
6.
Oakbank, Canada
Overcast
75%
0
26.3 kmph / SSE
7.
Winnipeg, Canada
Partly Cloudy
75%
0
24.1 kmph / SSE
8.
Estevan, Canada
Clear
77%
0
15.8 kmph / SSE
9.
Rosser, Canada
Overcast
75%
0
26.3 kmph / SSE
10.
Thompson, Canada
Partly cloudy
66%
0
22 kmph / S
Last Updated: 26 Oct 2025, 02:07 AM
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