Hourly Weather Forecast - Perth, Ontario, CA

12 AM
19°F
20%
5mph
W
Cloudy
Humidity
83%
Feels like
12°F
Dew Point
15°F
1 AM
18°F
20%
5mph
WNW
Cloudy
Humidity
82%
Feels like
11°F
Dew Point
14°F
2 AM
18°F
10%
5mph
WNW
Cloudy
Humidity
80%
Feels like
10°F
Dew Point
12°F
3 AM
17°F
10%
6mph
WNW
Cloudy
Humidity
85%
Feels like
8°F
Dew Point
13°F
4 AM
17°F
10%
6mph
WNW
Cloudy
Humidity
85%
Feels like
8°F
Dew Point
13°F
5 AM
15°F
10%
6mph
NW
Cloudy
Humidity
88%
Feels like
6°F
Dew Point
12°F
6 AM
14°F
10%
6mph
NW
Cloudy
Humidity
86%
Feels like
5°F
Dew Point
11°F
7 AM
13°F
10%
6mph
NW
Cloudy
Humidity
84%
Feels like
3°F
Dew Point
9°F
7:41 AM
8 AM
13°F
10%
6mph
NW
Cloudy
Humidity
84%
Feels like
3°F
Dew Point
8°F
9 AM
14°F
10%
6mph
NNW
Cloudy
Humidity
84%
Feels like
4°F
Dew Point
10°F
10 AM
16°F
10%
7mph
NNW
Cloudy
Humidity
80%
Feels like
6°F
Dew Point
11°F
11 AM
18°F
10%
7mph
NNW
Cloudy
Humidity
75%
Feels like
9°F
Dew Point
11°F
12 PM
20°F
10%
7mph
NNW
Mostly Cloudy
Humidity
71%
Feels like
10°F
Dew Point
12°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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