Hourly Weather Forecast - Sarnia, Ontario, CA

12 AM
20°F
10%
9mph
WSW
Cloudy
Humidity
76%
Feels like
9°F
Dew Point
13°F
1 AM
19°F
10%
9mph
WSW
Cloudy
Humidity
78%
Feels like
9°F
Dew Point
14°F
2 AM
19°F
20%
9mph
WSW
Cloudy
Humidity
79%
Feels like
9°F
Dew Point
14°F
3 AM
19°F
20%
9mph
WSW
Mostly Cloudy
Humidity
79%
Feels like
8°F
Dew Point
13°F
4 AM
19°F
20%
9mph
WSW
Mostly Cloudy
Humidity
80%
Feels like
8°F
Dew Point
14°F
5 AM
19°F
10%
8mph
WSW
Mostly Cloudy
Humidity
80%
Feels like
9°F
Dew Point
14°F
6 AM
19°F
0%
8mph
WSW
Mostly Cloudy
Humidity
80%
Feels like
9°F
Dew Point
14°F
7 AM
20°F
0%
9mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
9°F
Dew Point
14°F
8 AM
20°F
0%
9mph
WSW
Mostly Cloudy
Humidity
78%
Feels like
9°F
Dew Point
14°F
8:00 AM
9 AM
20°F
0%
10mph
W
Mostly Cloudy
Humidity
77%
Feels like
10°F
Dew Point
15°F
10 AM
21°F
0%
11mph
W
Mostly Cloudy
Humidity
75%
Feels like
10°F
Dew Point
15°F
11 AM
22°F
0%
11mph
W
Mostly Cloudy
Humidity
71%
Feels like
11°F
Dew Point
15°F
12 PM
23°F
0%
11mph
W
Mostly Cloudy
Humidity
67%
Feels like
12°F
Dew Point
14°F
1 PM
24°F
0%
12mph
W
Mostly Cloudy
Humidity
65%
Feels like
13°F
Dew Point
14°F
2 PM
24°F
0%
11mph
W
Mostly Cloudy
Humidity
63%
Feels like
13°F
Dew Point
14°F
3 PM
24°F
0%
11mph
W
Mostly Cloudy
Humidity
62%
Feels like
13°F
Dew Point
13°F
4 PM
24°F
0%
11mph
W
Mostly Cloudy
Humidity
63%
Feels like
13°F
Dew Point
13°F
5 PM
23°F
0%
10mph
W
Mostly Cloudy
Humidity
65%
Feels like
12°F
Dew Point
13°F
5:06 PM
6 PM
22°F
0%
9mph
W
Partly Cloudy
Humidity
68%
Feels like
11°F
Dew Point
13°F
7 PM
21°F
0%
9mph
W
Partly Cloudy
Humidity
69%
Feels like
11°F
Dew Point
12°F
8 PM
20°F
0%
9mph
W
Partly Cloudy
Humidity
70%
Feels like
9°F
Dew Point
12°F
9 PM
19°F
0%
9mph
WNW
Partly Cloudy
Humidity
71%
Feels like
9°F
Dew Point
11°F
10 PM
19°F
0%
10mph
WNW
Mostly Clear
Humidity
72%
Feels like
8°F
Dew Point
11°F
11 PM
19°F
0%
10mph
WNW
Mostly Clear
Humidity
72%
Feels like
7°F
Dew Point
11°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