10-day forecast · Sarnia
Day-by-day outlook up to 14 days: highs, lows, precipitation totals, wind and UV. Planning further ahead? Open the 30-day outlook →
Mon · Today
Light rain
24°
19°
0.50 in
⌄
Wind 17 mph S
Gusts 26 mph
UV index 4 – Moderate
Precip chance 90% · 0.50 in
Sunrise 6:53 AM
Sunset 8:06 PM
Tue · Tomorrow
Mostly cloudy
32°
22°
0.05 in
⌄
Wind 22 mph W
Gusts 34 mph
UV index 7 – High
Precip chance 60% · 0.05 in
Sunrise 6:54 AM
Sunset 8:04 PM
Wednesday 2/9
Thunderstorms
31°
23°
23%
⌄
Wind 11 mph N
Gusts 22 mph
UV index 7 – High
Precip chance 23%
Sunrise 6:55 AM
Sunset 8:03 PM
Thursday 3/9
Sunny
23°
20°
0.09 in
⌄
Wind 13 mph NE
Gusts 21 mph
UV index 7 – High
Precip chance 57% · 0.09 in
Sunrise 6:56 AM
Sunset 8:01 PM
Friday 4/9
Mostly cloudy
22°
17°
0.02 in
⌄
Wind 14 mph NE
Gusts 20 mph
UV index 6 – High
Precip chance 36% · 0.02 in
Sunrise 6:57 AM
Sunset 7:59 PM
Saturday 5/9
Sunny
20°
16°
5%
⌄
Wind 18 mph N
Gusts 23 mph
UV index 5 – Moderate
Precip chance 5%
Sunrise 6:58 AM
Sunset 7:58 PM
Sunday 6/9
Sunny
21°
16°
10%
⌄
Wind 13 mph NE
Gusts 19 mph
UV index 6 – High
Precip chance 10%
Sunrise 6:59 AM
Sunset 7:56 PM
Monday 7/9
Sunny
23°
16°
6%
⌄
Wind 15 mph SE
Gusts 22 mph
UV index 6 – High
Precip chance 6%
Sunrise 7:00 AM
Sunset 7:54 PM
Tuesday 8/9
Mostly cloudy
26°
17°
17%
⌄
Wind 16 mph S
Gusts 26 mph
UV index 6 – High
Precip chance 17%
Sunrise 7:01 AM
Sunset 7:52 PM
Wednesday 9/9
Mostly cloudy
23°
19°
23%
⌄
Wind 14 mph S
Gusts 24 mph
UV index 6 – High
Precip chance 23%
Sunrise 7:02 AM
Sunset 7:50 PM
Thursday 10/9
Sunny
27°
20°
17%
⌄
Wind 12 mph S
Gusts 17 mph
UV index 7 – High
Precip chance 17%
Sunrise 7:03 AM
Sunset 7:49 PM
Friday 11/9
Sunny
27°
18°
13%
⌄
Wind 22 mph N
Gusts 29 mph
UV index 7 – High
Precip chance 13%
Sunrise 7:05 AM
Sunset 7:47 PM
Saturday 12/9
Sunny
21°
13°
5%
⌄
Wind 22 mph N
Gusts 28 mph
UV index 6 – High
Precip chance 5%
Sunrise 7:06 AM
Sunset 7:45 PM
Sunday 13/9
Sunny
27°
13°
6%
⌄
Wind 13 mph E
Gusts 23 mph
UV index 7 – High
Precip chance 6%
Sunrise 7:07 AM
Sunset 7:43 PM
10-day outlook for Sarnia
Over the next ten days Sarnia peaks at 32° on Tuesday and bottoms out at 16° on Saturday. The back half cools off by roughly 9°, so the warmest days are the ones in front of you. Add it up and about 0.66 in of precipitation falls over the period, spread across 4 unsettled days, with Monday the most likely (90%).