Hourly Weather Forecast - Perth, Ontario, CA

12 AM
27°F
10%
2mph
NNW
Mostly Cloudy
Humidity
91%
Feels like
27°F
Dew Point
24°F
1 AM
26°F
10%
2mph
NNW
Mostly Cloudy
Humidity
91%
Feels like
26°F
Dew Point
24°F
2 AM
25°F
10%
2mph
NW
Partly Cloudy
Humidity
92%
Feels like
25°F
Dew Point
23°F
3 AM
25°F
10%
2mph
WNW
Hazy
Humidity
93%
Feels like
25°F
Dew Point
23°F
4 AM
24°F
10%
2mph
WNW
Hazy
Humidity
93%
Feels like
24°F
Dew Point
23°F
5 AM
24°F
0%
2mph
WNW
Hazy
Humidity
93%
Feels like
24°F
Dew Point
22°F
6 AM
24°F
0%
3mph
WNW
Partly Cloudy
Humidity
92%
Feels like
24°F
Dew Point
22°F
6:38 AM
7 AM
24°F
0%
3mph
W
Mostly Cloudy
Humidity
91%
Feels like
24°F
Dew Point
22°F
8 AM
26°F
0%
3mph
W
Partly Cloudy
Humidity
88%
Feels like
26°F
Dew Point
23°F
9 AM
30°F
0%
2mph
WSW
Partly Cloudy
Humidity
83%
Feels like
30°F
Dew Point
25°F
10 AM
33°F
0%
3mph
SW
Mostly Sunny
Humidity
79%
Feels like
33°F
Dew Point
27°F
11 AM
36°F
0%
3mph
SSW
Mostly Sunny
Humidity
74%
Feels like
33°F
Dew Point
28°F
12 PM
38°F
0%
4mph
SSW
Sunny
Humidity
70%
Feels like
36°F
Dew Point
29°F
1 PM
40°F
0%
4mph
S
Sunny
Humidity
68%
Feels like
37°F
Dew Point
30°F
2 PM
41°F
10%
4mph
S
Sunny
Humidity
67%
Feels like
38°F
Dew Point
31°F
3 PM
41°F
10%
4mph
S
Sunny
Humidity
67%
Feels like
38°F
Dew Point
31°F
4 PM
40°F
10%
4mph
S
Sunny
Humidity
69%
Feels like
38°F
Dew Point
31°F
5 PM
38°F
10%
4mph
S
Sunny
Humidity
73%
Feels like
36°F
Dew Point
31°F
5:56 PM
6 PM
36°F
10%
4mph
SSE
Clear
Humidity
80%
Feels like
33°F
Dew Point
31°F
7 PM
34°F
10%
4mph
SSE
Clear
Humidity
85%
Feels like
31°F
Dew Point
30°F
8 PM
33°F
20%
4mph
SSE
Clear
Humidity
88%
Feels like
30°F
Dew Point
30°F
9 PM
32°F
30%
3mph
SE
30% Chance Snow Showers
Humidity
89%
Feels like
29°F
Dew Point
29°F
10 PM
31°F
30%
2mph
SE
30% Chance Frozen Mix
Humidity
89%
Feels like
31°F
Dew Point
29°F
11 PM
31°F
30%
2mph
ESE
30% Chance Frozen Mix
Humidity
90%
Feels like
31°F
Dew Point
28°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

Today'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

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