Sarnia Weather Forecast

CURRENT CONDITIONS - September 19, 2026
16°
Low of14°
Feels like 16°CLast Updated: September 19, 2026 at 4:55 PMWeather information supplied by: OpenWeather API
POP:1%
Wind:4.57 km/h
Humidity:91%
UV:5.64
Sunrise:11:13 AM
Sunset:11:32 PM

Sarnia Weather Forecast - Hourly

Scroll horizontally for more information

16°C

4 PM

16°C

5 PM

16°C

6 PM

17°C

7 PM

17°C

8 PM

18°C

9 PM

19°C

10 PM

18°C

11 PM

17°C

12 AM

17°C

1 AM

16°C

2 AM

15°C

3 AM

14°C

4 AM

14°C

5 AM

14°C

6 AM

14°C

7 AM

14°C

8 AM

14°C

9 AM

15°C

10 AM

15°C

11 AM

16°C

12 PM

17°C

1 PM

17°C

2 PM

17°C

3 PM

17°C

4 PM

18°C

5 PM

18°C

6 PM

17°C

7 PM

18°C

8 PM

17°C

9 PM

17°C

10 PM

16°C

11 PM

15°C

12 AM

15°C

1 AM

15°C

2 AM

14°C

3 AM

13°C

4 AM

13°C

5 AM

12°C

6 AM

15°C

7 AM

14°C

8 AM

14°C

9 AM

14°C

10 AM

13°C

11 AM

13°C

12 PM

13°C

1 PM

13°C

2 PM

13°C

3 PM

Sarnia Weather Forecast - Weekly

Scroll horizontally for more information
Today
September 19
16°
14°
Tomorrow
September 20
18°
14°
Monday
September 21
14°
12°
Tuesday
September 22
14°
12°
Wednesday
September 23
18°
12°
Thursday
September 24
17°
12°
Friday
September 25
18°
11°
Saturday
September 26
19°
12°

Local News

Hockey puck. © Can Stock Photo Inc. / funix

Scoreboard, Sept 19

The Toronto Blue Jays fell 7-1 to the Texas Rangers, and are two games out of a wildcard with eight remaining