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
Mostly cloudy
84°
64°
0.16 in
⌄
Wind 15 mph W
Gusts 30 mph
UV index 6 – High
Precip chance 78% · 0.16 in
Sunrise 6:53 AM
Sunset 8:06 PM
Tue · Tomorrow
Thunderstorms
82°
71°
0.43 in
⌄
Wind 15 mph SW
Gusts 23 mph
UV index 7 – High
Precip chance 87% · 0.43 in
Sunrise 6:54 AM
Sunset 8:04 PM
Wednesday 2/9
Mostly cloudy
86°
71°
0.30 in
⌄
Wind 17 mph NE
Gusts 22 mph
UV index 7 – High
Precip chance 81% · 0.30 in
Sunrise 6:55 AM
Sunset 8:03 PM
Thursday 3/9
Showers
74°
69°
0.25 in
⌄
Wind 15 mph NE
Gusts 20 mph
UV index 7 – High
Precip chance 83% · 0.25 in
Sunrise 6:56 AM
Sunset 8:01 PM
Friday 4/9
Showers
72°
67°
0.27 in
⌄
Wind 12 mph NE
Gusts 21 mph
UV index 5 – Moderate
Precip chance 82% · 0.27 in
Sunrise 6:57 AM
Sunset 7:59 PM
Saturday 5/9
Sunny
72°
64°
10%
⌄
Wind 12 mph N
Gusts 21 mph
UV index 6 – High
Precip chance 10%
Sunrise 6:58 AM
Sunset 7:58 PM
Sunday 6/9
Sunny
72°
61°
10%
⌄
Wind 9 mph NE
Gusts 14 mph
UV index 6 – High
Precip chance 10%
Sunrise 6:59 AM
Sunset 7:56 PM
Monday 7/9
Mostly cloudy
74°
61°
10%
⌄
Wind 10 mph SE
Gusts 15 mph
UV index 6 – High
Precip chance 10%
Sunrise 7:00 AM
Sunset 7:54 PM
Tuesday 8/9
Mostly cloudy
77°
64°
19%
⌄
Wind 17 mph S
Gusts 30 mph
UV index 7 – High
Precip chance 19%
Sunrise 7:01 AM
Sunset 7:52 PM
Wednesday 9/9
Showers
66°
61°
0.01 in
⌄
Wind 21 mph N
Gusts 24 mph
UV index 5 – Moderate
Precip chance 39% · 0.01 in
Sunrise 7:02 AM
Sunset 7:50 PM
Thursday 10/9
Sunny
74°
60°
14%
⌄
Wind 12 mph E
Gusts 21 mph
UV index 6 – High
Precip chance 14%
Sunrise 7:03 AM
Sunset 7:49 PM
Friday 11/9
Sunny
79°
60°
8%
⌄
Wind 12 mph SE
Gusts 19 mph
UV index 7 – High
Precip chance 8%
Sunrise 7:05 AM
Sunset 7:47 PM
Saturday 12/9
Sunny
80°
64°
5%
⌄
Wind 8 mph SE
Gusts 11 mph
UV index 7 – High
Precip chance 5%
Sunrise 7:06 AM
Sunset 7:45 PM
Sunday 13/9
Sunny
84°
69°
0.06 in
⌄
Wind 9 mph S
Gusts 13 mph
UV index 7 – High
Precip chance 57% · 0.06 in
Sunrise 7:07 AM
Sunset 7:43 PM
10-day outlook for Sarnia
Over the next ten days Sarnia peaks at 86° on Wednesday and bottoms out at 61° on Wednesday. The back half cools off by roughly 12°, so the warmest days are the ones in front of you. Add it up and about 1.4 in of precipitation falls over the period, spread across 6 unsettled days, with Tuesday the most likely (87%).