Sarnia Weather Forecast

CURRENT CONDITIONS - May 12, 2026
8°
Low of4°
Feels like 5°CLast Updated: May 12, 2026 at 1:55 PMWeather information supplied by: OpenWeather API
POP:0.63%
Wind:9.67 km/h
Humidity:53%
UV:5.4
Sunrise:10:09 AM
Sunset:12:41 AM

Sarnia Weather Forecast - Hourly

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8°C

1 PM

9°C

2 PM

10°C

3 PM

11°C

4 PM

13°C

5 PM

15°C

6 PM

16°C

7 PM

15°C

8 PM

15°C

9 PM

16°C

10 PM

15°C

11 PM

14°C

12 AM

13°C

1 AM

14°C

2 AM

14°C

3 AM

14°C

4 AM

13°C

5 AM

13°C

6 AM

12°C

7 AM

12°C

8 AM

12°C

9 AM

11°C

10 AM

10°C

11 AM

11°C

12 PM

9°C

1 PM

8°C

2 PM

8°C

3 PM

7°C

4 PM

7°C

5 PM

7°C

6 PM

7°C

7 PM

7°C

8 PM

7°C

9 PM

6°C

10 PM

6°C

11 PM

6°C

12 AM

5°C

1 AM

6°C

2 AM

6°C

3 AM

6°C

4 AM

6°C

5 AM

6°C

6 AM

6°C

7 AM

6°C

8 AM

6°C

9 AM

6°C

10 AM

6°C

11 AM

7°C

12 PM

Sarnia Weather Forecast - Weekly

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Today
May 12
13°
4°
Tomorrow
May 13
7°
5°
Thursday
May 14
9°
6°
Friday
May 15
13°
5°
Saturday
May 16
22°
11°
Sunday
May 17
17°
8°
Monday
May 18
25°
16°
Tuesday
May 19
25°
18°

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