Sarnia Weather Conditions
Current Temperature Level
19 °C
94 AQI
Air quality index is: Moderate
Last Updated: 2025-08-07 02:30 (Local Time)
MapSarnia
Sarnia Weather Parameters
16 km/h
9 m/s
147° SSE
25 %
8 km
0 mm
1024 mb
UV Index0
Suggestions for
TodaySarnia7 Aug.
Umbrella• Optional
Clothing• Layering Must
Driving• Enjoy Driving
Sunscreen• ApplySarnia 10-Days Weather Forecast
Today
23°C
80 %Friday
24°C81 %Saturday
26°C78 %Sunday
27°C67 %Monday
26°C71 %Tuesday
23°C86 %Wednesday
24°C64 %Thursday
21°C81 %Friday
21°C79 %Saturday
24°C67 %Sunny
Clear Sky with temperature at 23 °C and humidity will be at 80% with 17.3 km/h winds.31°C / 18°C
Humi.80 %
Prec.0 mm
Sunrise
06:27 AM14hrs 15min
Sunset
08:42 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
19 °C
92 %
0
13.7 kmph / SE
Clear 
Feels 19.2 °C
Cover 0 %
Visibility 10 km
1 AM
Clear
19 °C
92 %
0
14.8 kmph / SE
Clear Feels 18.7 °C
Cover 0 %
Visibility 10 km
2 AM
Mist
19 °C
94 %
0
15.5 kmph / SSE
MistFeels 18.4 °C
Cover 25 %
Visibility 8 km
3 AM
Clear
18 °C
96 %
0
16.2 kmph / SSE
Clear Feels 18.2 °C
Cover 1 %
Visibility 10 km
4 AM
Partly Cloudy
18 °C
96 %
0
15.8 kmph / SSE
Partly Cloudy Feels 18.1 °C
Cover 32 %
Visibility 10 km
5 AM
Partly Cloudy
18 °C
95 %
0
14.8 kmph / SSE
Partly Cloudy Feels 18 °C
Cover 34 %
Visibility 10 km
6 AM
Partly Cloudy
18 °C
94 %
0
13.7 kmph / SSE
Partly Cloudy Feels 17.7 °C
Cover 35 %
Visibility 10 km
7 AM
Partly Cloudy
19 °C
94 %
0.1
13.7 kmph / SSE
Partly Cloudy Feels 18.5 °C
Cover 25 %
Visibility 10 km
8 AM
Partly Cloudy
20 °C
88 %
0.5
14.8 kmph / SSE
Partly Cloudy Feels 20.1 °C
Cover 47 %
Visibility 10 km
9 AM
Sunny
22 °C
82 %
1.5
16.6 kmph / SSE
SunnyFeels 21.9 °C
Cover 22 %
Visibility 10 km
10 AM
Sunny
24 °C
76 %
3
15.1 kmph / SSE
SunnyFeels 25.8 °C
Cover 18 %
Visibility 10 km
11 AM
Sunny
26 °C
73 %
5
15.5 kmph / SSE
SunnyFeels 27.5 °C
Cover 23 %
Visibility 10 km
12 PM
Partly Cloudy
27 °C
70 %
6.8
12.6 kmph / SSE
Partly Cloudy Feels 28.8 °C
Cover 25 %
Visibility 10 km
1 PM
Sunny
29 °C
65 %
7.8
13.7 kmph / SSE
SunnyFeels 31.6 °C
Cover 24 %
Visibility 10 km
2 PM
Sunny
30 °C
60 %
7.8
14 kmph / S
SunnyFeels 32.6 °C
Cover 11 %
Visibility 10 km
3 PM
Sunny
30 °C
58 %
6.9
14.8 kmph / S
SunnyFeels 32.4 °C
Cover 1 %
Visibility 10 km
4 PM
Sunny
29 °C
57 %
5.1
15.8 kmph / S
SunnyFeels 31.8 °C
Cover 0 %
Visibility 10 km
5 PM
Sunny
29 °C
58 %
3.1
16.9 kmph / S
SunnyFeels 30.7 °C
Cover 0 %
Visibility 10 km
6 PM
Sunny
28 °C
60 %
1.5
17.3 kmph / S
SunnyFeels 29.5 °C
Cover 0 %
Visibility 10 km
7 PM
Sunny
26 °C
64 %
0.5
16.9 kmph / S
SunnyFeels 28 °C
Cover 0 %
Visibility 10 km
8 PM
Sunny
24 °C
73 %
0.1
14.8 kmph / S
SunnyFeels 26.3 °C
Cover 0 %
Visibility 10 km
9 PM
Clear
23 °C
86 %
0
14 kmph / SSE
Clear Feels 23.6 °C
Cover 0 %
Visibility 10 km
10 PM
Clear
21 °C
93 %
0
14.8 kmph / SSE
Clear Feels 21.3 °C
Cover 0 %
Visibility 10 km
11 PM
Clear
20 °C
94 %
0
15.5 kmph / SSE
Clear Feels 20.4 °C
Cover 3 %
Visibility 10 km
Today
23°C80 %Friday
24°C81 %Saturday
26°C78 %Sunday
27°C67 %Monday
26°C71 %Tuesday
23°C86 %Wednesday
24°C64 %Thursday
21°C81 %Friday
21°C79 %Saturday
24°C67 %Temp18 °C
ConditionClear
Humidity96 %
Feels18.2 °C
Cover1 %
Visibility10 km
Wind Speed & Dir.16.2 kmph / SSE
UV0
Sarnia 30-Days (August 2025) Weather Forecast
Sun.
Mon.
Tue.
Wed.
Thu.
Fri.
Sat.
1Fri.
25°15 °C
2Sat.
27°13 °C
3Sun.
28°13 °C
4Mon.
26°14 °C
5Tue.
29°16 °C
6Wed.
31°19 °C
7Today
28°17 °C
8Fri.
30°18 °C
9Sat.
32°20 °C
10Sun.
32°22 °C
11Mon.
31°22 °C
12Tue.
29°21 °C
13Wed.
31°20 °C
14Thu.
32°22 °C
15Fri.
34°22 °C
16Sat.
34°22 °C
17Sun.
30°21 °C
18Mon.
26°20 °C
19Tue.
30°19 °C
20Wed.
27°18 °C
21Thu.
26°18 °C
22Fri.
24°17 °C
23Sat.
25°16 °C
24Sun.
26°17 °C
25Mon.
25°17 °C
26Tue.
25°17 °C
27Wed.
25°17 °C
28Thu.
25°17 °C
29Fri.
25°17 °C
30Sat.
25°17 °C
31Sun.
25°16 °C
AugustWeather Overview
No. of days:
Sunny
8
Cloudy
3
Rainy
18
Snowy
0
The monthly weather averages in Sarnia consist of 8 sunny days, 3 cloudy days, 18 rainy days, and 0 snowy days.
United States's Hottest Cities - August 2025
1.
Blythe, United States
Clear
9%
0
6.5 kmph / SW
2.
Guadalupe, United States
Partly Cloudy
17%
0
13 kmph / W
3.
Tolleson, United States
Partly Cloudy
17%
0
13 kmph / W
4.
Phoenix, United States
Partly Cloudy
17%
0
13 kmph / W
5.
Eloy, United States
Clear
16%
0
10.1 kmph / NW
6.
Sacaton, United States
Clear
16%
0
12.2 kmph / WNW
7.
Stanfield, United States
Clear
16%
0
12.2 kmph / WNW
8.
Casa Grande, United States
Clear
16%
0
12.2 kmph / WNW
9.
Sun City, United States
Partly Cloudy
13%
0
13 kmph / W
10.
Surprise, United States
Partly Cloudy
13%
0
13 kmph / W
Last Updated: 07 Aug 2025, 06:56 AM
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