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Canada weather

10 day weather forecast for Sarnia

Thursday, 31st July 2025, at 06:32
today
Beach Hazards Statement
Overcast
24° 19°
tomorrow
Sunny
24° 16°
Saturday
Sunny
26° 14°
Sunday
Sunny
27° 16°
Monday
Sunny
28° 17°
Tuesday
Patchy rain possible
28° 18°
Wednesday
Patchy rain possible
28° 20°
 More Details See
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Sarnia Weather Pages

Sarnia weather forecast

The weather forecast for Sarnia over the next 5 days indicates comfortable conditions with temperatures ranging from 24 °C to 28 °C.

Wind speeds are expected to be strong, averaging around 29 km/h.

Weather today
Sarnia weather forecast

Sarnia 14 days weather forecast

This weeks weather in Sarnia. Click on a date for detailed forecasts
Thu. 31
24°
19°
Weather Alert
Overcast
0 mm
Fri. 1
24°
16°
Sunny
0 mm
Sat. 2
26°
14°
Sunny
0 mm
Sun. 3
27°
16°
Sunny
0 mm
Mon. 4
28°
17°
Sunny
0 mm
Tue. 5
28°
18°
Patchy rain possible
2.8 mm
Wed. 6
28°
20°
Patchy rain possible
2.5 mm
Thu. 7
25°
20°
Patchy rain possible
4.3 mm
Fri. 8
30°
19°
Patchy rain possible
0.7 mm
Sat. 9
29°
21°
Patchy rain possible
1.2 mm
Sun. 10
31°
20°
Sunny
0 mm
Mon. 11
31°
21°
Patchy rain possible
2.4 mm
Tue. 12
22°
16°
Partly cloudy
0.1 mm
Wed. 13
18°
10°
Sunny
0 mm
Further Ahead
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Access Sarnia weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Sarnia long range weather forecast

30 day weather forecast for Sarnia
June
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
23°
2
Moderate or heavy rain shower
25°
3
Moderate rain at times
25°
4
Overcast
28°
5
Patchy rain possible
29°
6
Light rain shower
26°
7
Sunny
22°
8
Heavy rain at times
25°
9
Overcast
24°
10
Overcast
24°
11
Moderate or heavy rain shower
25°
12
Overcast
26°
13
Patchy rain possible
26°
14
Cloudy
28°
15
Moderate or heavy rain shower
28°
16
Patchy rain possible
27°
17
Overcast
24°
18
Overcast
22°
19
Cloudy
24°
20
Moderate or heavy rain shower
24°
21
Overcast
22°
22
Patchy rain possible
24°
23
Patchy rain possible
27°
24
Overcast
27°
25
Overcast
25°
26
Moderate rain at times
26°
27
Overcast
26°
28
Patchy rain possible
30°
29
Moderate or heavy rain shower
24°
30
Cloudy
25°
31
Weather Alert Overcast
24°
Important Notice
Our Sarnia long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Sarnia

The chart displays the expected rainfall values (in mm) over the next 14 days in Sarnia, highlighting variations in precipitation levels for specific dates. ☔

Sarnia Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Sarnia over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Location coordinates Where is Sarnia?

Get accurate weather forecasts for Sarnia, located at latitude 42.979 and longitude -82.404. Stay updated with localized weather information tailored for Sarnia.

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