Hourly Weather Forecast - Alliston, Ontario, CA

12 AM
22°F
50%
5mph
S
50% Chance Frozen Mix
Humidity
86%
Feels like
15°F
Dew Point
18°F
1 AM
22°F
40%
5mph
S
40% Chance Frozen Mix
Humidity
86%
Feels like
15°F
Dew Point
19°F
2 AM
23°F
40%
5mph
S
40% Chance of Heavy Snow
Humidity
87%
Feels like
16°F
Dew Point
20°F
3 AM
23°F
30%
6mph
S
30% Chance of Flurries
Humidity
88%
Feels like
16°F
Dew Point
20°F
4 AM
23°F
30%
6mph
S
30% Chance of Flurries
Humidity
90%
Feels like
16°F
Dew Point
21°F
5 AM
24°F
30%
6mph
S
30% Chance of Flurries
Humidity
90%
Feels like
17°F
Dew Point
21°F
6 AM
25°F
20%
6mph
S
Cloudy
Humidity
90%
Feels like
18°F
Dew Point
22°F
7 AM
26°F
20%
6mph
S
Cloudy
Humidity
90%
Feels like
19°F
Dew Point
23°F
7:52 AM
8 AM
26°F
20%
6mph
S
Cloudy
Humidity
90%
Feels like
20°F
Dew Point
24°F
9 AM
28°F
20%
6mph
SSW
Cloudy
Humidity
90%
Feels like
21°F
Dew Point
25°F
10 AM
29°F
20%
6mph
SSW
Cloudy
Humidity
89%
Feels like
22°F
Dew Point
26°F
11 AM
30°F
30%
6mph
SW
30% Chance of Flurries
Humidity
89%
Feels like
24°F
Dew Point
27°F
12 PM
31°F
30%
6mph
SW
30% Chance of Flurries
Humidity
88%
Feels like
24°F
Dew Point
28°F
1 PM
31°F
30%
6mph
SW
30% Chance of Flurries
Humidity
88%
Feels like
25°F
Dew Point
28°F
2 PM
31°F
30%
6mph
WSW
30% Chance of Flurries
Humidity
88%
Feels like
25°F
Dew Point
28°F
3 PM
31°F
30%
6mph
WSW
30% Chance Snow Showers
Humidity
89%
Feels like
25°F
Dew Point
29°F
4 PM
31°F
20%
6mph
WSW
Partly Cloudy
Humidity
90%
Feels like
25°F
Dew Point
28°F
4:44 PM
5 PM
31°F
20%
6mph
W
Partly Cloudy
Humidity
91%
Feels like
25°F
Dew Point
28°F
6 PM
30°F
10%
6mph
W
Partly Cloudy
Humidity
91%
Feels like
24°F
Dew Point
28°F
7 PM
29°F
20%
6mph
W
Partly Cloudy
Humidity
94%
Feels like
23°F
Dew Point
28°F
8 PM
28°F
20%
6mph
W
Partly Cloudy
Humidity
95%
Feels like
22°F
Dew Point
27°F
9 PM
28°F
20%
6mph
WNW
Partly Cloudy
Humidity
95%
Feels like
21°F
Dew Point
26°F
10 PM
27°F
20%
6mph
WNW
Partly Cloudy
Humidity
92%
Feels like
21°F
Dew Point
26°F
11 PM
27°F
10%
6mph
WNW
Partly Cloudy
Humidity
92%
Feels like
20°F
Dew Point
25°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

Thursday's Weather Outlook

Today's Weather Outlook

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

How to Measure Snow via NWS

How To Measure Snow

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