Hourly Weather Forecast - Sarnia, Ontario, CA

2 AM
22°F
10%
10mph
W
Mostly Cloudy
Humidity
79%
Feels like
11°F
Dew Point
16°F
3 AM
21°F
10%
9mph
W
Mostly Cloudy
Humidity
81%
Feels like
11°F
Dew Point
16°F
4 AM
21°F
10%
9mph
W
Mostly Cloudy
Humidity
81%
Feels like
11°F
Dew Point
16°F
5 AM
21°F
10%
8mph
W
Mostly Cloudy
Humidity
81%
Feels like
11°F
Dew Point
17°F
6 AM
21°F
10%
8mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
12°F
Dew Point
17°F
7 AM
22°F
0%
8mph
WSW
Cloudy
Humidity
84%
Feels like
12°F
Dew Point
18°F
8 AM
22°F
0%
8mph
W
Cloudy
Humidity
83%
Feels like
13°F
Dew Point
17°F
8:00 AM
9 AM
22°F
0%
9mph
W
Mostly Cloudy
Humidity
80%
Feels like
13°F
Dew Point
17°F
10 AM
23°F
10%
9mph
W
Mostly Cloudy
Humidity
78%
Feels like
13°F
Dew Point
17°F
11 AM
23°F
10%
10mph
W
Cloudy
Humidity
75%
Feels like
13°F
Dew Point
17°F
12 PM
24°F
10%
10mph
WSW
Cloudy
Humidity
74%
Feels like
13°F
Dew Point
17°F
1 PM
24°F
30%
10mph
WSW
30% Chance of Snow
Humidity
76%
Feels like
14°F
Dew Point
17°F
2 PM
24°F
40%
10mph
WSW
40% Chance of Snow
Humidity
78%
Feels like
14°F
Dew Point
19°F
3 PM
25°F
50%
10mph
W
50% Chance of Heavy Snow
Humidity
80%
Feels like
15°F
Dew Point
19°F
4 PM
25°F
50%
10mph
W
50% Chance of Snow
Humidity
81%
Feels like
15°F
Dew Point
20°F
5 PM
24°F
40%
11mph
W
40% Chance of Snow
Humidity
80%
Feels like
13°F
Dew Point
19°F
5:04 PM
6 PM
23°F
30%
13mph
WNW
30% Chance of Snow
Humidity
81%
Feels like
11°F
Dew Point
19°F
7 PM
22°F
20%
15mph
NW
Mostly Cloudy
Humidity
80%
Feels like
9°F
Dew Point
17°F
8 PM
21°F
30%
16mph
NW
30 % Chance of Heavy Snow
Humidity
79%
Feels like
7°F
Dew Point
15°F
9 PM
20°F
10%
16mph
NW
Partly Cloudy
Humidity
73%
Feels like
6°F
Dew Point
13°F
10 PM
19°F
0%
16mph
NW
Mostly Clear
Humidity
70%
Feels like
5°F
Dew Point
11°F
11 PM
19°F
0%
16mph
NW
Mostly Clear
Humidity
67%
Feels like
4°F
Dew Point
10°F

Wednesday's Weather Outlook

Wednesday's Weather Outlook

After an overall quieter day of weather on Tuesday, Mother Nature brings a soggy, snowy forecast.

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide