Hourly Weather Forecast - Sarnia, Ontario, CA

12 AM
25°F
0%
5mph
SSE
Mostly Clear
Humidity
64%
Feels like
18°F
Dew Point
14°F
1 AM
25°F
0%
5mph
SE
Mostly Clear
Humidity
65%
Feels like
19°F
Dew Point
15°F
2 AM
25°F
0%
4mph
SE
Mostly Clear
Humidity
66%
Feels like
19°F
Dew Point
15°F
3 AM
25°F
0%
4mph
SE
Partly Cloudy
Humidity
67%
Feels like
20°F
Dew Point
16°F
4 AM
26°F
0%
4mph
SE
Partly Cloudy
Humidity
67%
Feels like
20°F
Dew Point
16°F
5 AM
26°F
0%
4mph
ESE
Partly Cloudy
Humidity
69%
Feels like
21°F
Dew Point
17°F
6 AM
26°F
0%
4mph
ESE
Partly Cloudy
Humidity
73%
Feels like
21°F
Dew Point
19°F
7 AM
27°F
0%
4mph
ESE
Partly Cloudy
Humidity
76%
Feels like
21°F
Dew Point
20°F
7:02 AM
8 AM
29°F
0%
5mph
ESE
Partly Cloudy
Humidity
77%
Feels like
23°F
Dew Point
22°F
9 AM
31°F
10%
5mph
ESE
Mostly Cloudy
Humidity
76%
Feels like
26°F
Dew Point
24°F
10 AM
34°F
10%
5mph
ESE
Cloudy
Humidity
74%
Feels like
29°F
Dew Point
27°F
11 AM
36°F
10%
5mph
SE
Cloudy
Humidity
75%
Feels like
32°F
Dew Point
29°F
12 PM
37°F
10%
5mph
SE
Cloudy
Humidity
76%
Feels like
33°F
Dew Point
30°F
1 PM
38°F
20%
5mph
SE
Cloudy
Humidity
76%
Feels like
35°F
Dew Point
32°F
2 PM
39°F
30%
4mph
ESE
30% Chance of Light Rain
Humidity
77%
Feels like
36°F
Dew Point
33°F
3 PM
40°F
40%
4mph
ESE
40% Chance of Light Rain
Humidity
78%
Feels like
37°F
Dew Point
34°F
4 PM
39°F
40%
4mph
E
40% Chance of Light Rain
Humidity
81%
Feels like
37°F
Dew Point
34°F
5 PM
38°F
50%
3mph
ENE
50% Chance of Light Rain
Humidity
84%
Feels like
36°F
Dew Point
34°F
6 PM
37°F
50%
3mph
ENE
50% Chance of Light Rain
Humidity
87%
Feels like
35°F
Dew Point
33°F
6:21 PM
7 PM
36°F
40%
3mph
ENE
40% Chance of Light Rain
Humidity
88%
Feels like
33°F
Dew Point
33°F
8 PM
35°F
30%
3mph
ENE
30% Chance of Light Rain
Humidity
89%
Feels like
32°F
Dew Point
32°F
9 PM
35°F
30%
3mph
ENE
30% Chance Rain Showers
Humidity
89%
Feels like
32°F
Dew Point
32°F
10 PM
34°F
30%
3mph
NE
30% Chance Rain Showers
Humidity
89%
Feels like
31°F
Dew Point
31°F
11 PM
34°F
30%
4mph
NE
30% Chance Rain Showers
Humidity
89%
Feels like
30°F
Dew Point
31°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide