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Canada weather

10 day weather forecast for Sarnia

Thursday, 4th June 2026, at 00:22
today
Sunny
25° 11°
tomorrow
Patchy rain possible
25° 16°
Saturday
Moderate rain
23° 14°
Sunday
Patchy rain possible
16° 12°
Monday
Sunny
24° 13°
Tuesday
Sunny
26° 15°
Wednesday
Patchy rain possible
27° 18°
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Sarnia Weather Pages

Sarnia weather forecast

The weather forecast for Sarnia over the next 3 days indicates wet and rainy conditions with temperatures ranging from 23 °C to 25 °C.

Rain is expected from Friday until Sunday.

Wind speeds are expected to be breezy, averaging around 15 km/h.

On Sunday, a notable cooling trend with temperatures reaching 16°C, and light showers with a 73% chance.

Weather today
Sarnia weather forecast

Sarnia 14 days weather forecast

This weeks weather in Sarnia. Click on a date for detailed forecasts
Thu. 4
25°
11°
Sunny
0 mm
Fri. 5
25°
16°
Patchy rain possible
4.5 mm
Sat. 6
23°
14°
Moderate rain
16.1 mm
Sun. 7
16°
12°
Patchy rain possible
0.2 mm
Mon. 8
24°
13°
Sunny
0 mm
Tue. 9
26°
15°
Sunny
0 mm
Wed. 10
27°
18°
Patchy rain possible
3.4 mm
Thu. 11
27°
21°
Patchy rain possible
2.2 mm
Fri. 12
27°
22°
Patchy rain possible
0.3 mm
Sat. 13
30°
18°
Sunny
0 mm
Sun. 14
22°
16°
Patchy rain possible
0.3 mm
Mon. 15
27°
15°
Patchy rain possible
1.5 mm
Tue. 16
27°
16°
Patchy rain possible
0.3 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
May
July
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
20°
2
Sunny
21°
3
Overcast
24°
4
Sunny
25°
5
Patchy rain possible
25°
6
Moderate rain
23°
7
Patchy rain possible
16°
8
Sunny
24°
9
Sunny
26°
10
Patchy rain possible
27°
11
Patchy rain possible
27°
12
Patchy rain possible
27°
13
Sunny
30°
14
Patchy rain possible
22°
15
Patchy rain possible
27°
16
Patchy rain possible
27°
17
Partly cloudy
26°
18
Overcast
27°
19
Overcast
24°
20
Patchy rain possible
24°
21
Patchy rain possible
25°
22
Partly cloudy
29°
23
Moderate or heavy rain shower
26°
24
Partly cloudy
25°
25
Patchy rain possible
25°
26
Heavy rain at times
22°
27
Patchy rain possible
21°
28
Partly cloudy
22°
29
Partly cloudy
26°
30
Overcast
26°
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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