Hourly Weather Forecast - Alliston, Ontario, CA

12 AM
15°F
10%
6mph
NW
Partly Cloudy
Humidity
84%
Feels like
5°F
Dew Point
11°F
1 AM
14°F
10%
5mph
NW
Partly Cloudy
Humidity
85%
Feels like
6°F
Dew Point
11°F
2 AM
14°F
10%
5mph
NW
Partly Cloudy
Humidity
87%
Feels like
6°F
Dew Point
11°F
3 AM
13°F
10%
4mph
WNW
Partly Cloudy
Humidity
89%
Feels like
6°F
Dew Point
11°F
4 AM
13°F
10%
4mph
WNW
Mostly Cloudy
Humidity
92%
Feels like
6°F
Dew Point
11°F
5 AM
12°F
10%
4mph
W
Cloudy
Humidity
93%
Feels like
6°F
Dew Point
11°F
6 AM
13°F
10%
4mph
WSW
Cloudy
Humidity
92%
Feels like
6°F
Dew Point
11°F
7 AM
14°F
10%
4mph
WSW
Cloudy
Humidity
89%
Feels like
7°F
Dew Point
11°F
7:51 AM
8 AM
16°F
10%
5mph
SW
Cloudy
Humidity
85%
Feels like
8°F
Dew Point
12°F
9 AM
18°F
10%
5mph
SW
Cloudy
Humidity
82%
Feels like
10°F
Dew Point
13°F
10 AM
19°F
10%
6mph
SW
Cloudy
Humidity
79%
Feels like
11°F
Dew Point
14°F
11 AM
21°F
0%
7mph
SW
Mostly Cloudy
Humidity
77%
Feels like
13°F
Dew Point
15°F
12 PM
23°F
10%
7mph
WSW
Partly Cloudy
Humidity
75%
Feels like
14°F
Dew Point
16°F
1 PM
24°F
10%
8mph
WSW
Mostly Sunny
Humidity
74%
Feels like
15°F
Dew Point
17°F
2 PM
24°F
20%
7mph
SW
Mostly Sunny
Humidity
75%
Feels like
15°F
Dew Point
17°F
3 PM
23°F
20%
6mph
SW
Partly Cloudy
Humidity
80%
Feels like
15°F
Dew Point
17°F
4 PM
22°F
20%
6mph
SW
Partly Cloudy
Humidity
82%
Feels like
15°F
Dew Point
17°F
4:44 PM
5 PM
22°F
30%
5mph
SSW
30 % Chance of Heavy Snow
Humidity
83%
Feels like
14°F
Dew Point
17°F
6 PM
22°F
30%
5mph
SSW
30 % Chance of Heavy Snow
Humidity
82%
Feels like
14°F
Dew Point
17°F
7 PM
21°F
30%
6mph
SSW
30 % Chance of Heavy Snow
Humidity
84%
Feels like
14°F
Dew Point
17°F
8 PM
21°F
40%
6mph
SSW
40% Chance of Heavy Snow
Humidity
85%
Feels like
14°F
Dew Point
18°F
9 PM
22°F
40%
6mph
S
40% Chance of Heavy Snow
Humidity
85%
Feels like
14°F
Dew Point
18°F
10 PM
22°F
50%
6mph
S
50% Chance of Heavy Snow
Humidity
86%
Feels like
15°F
Dew Point
19°F
11 PM
23°F
50%
6mph
S
50% Chance Frozen Mix
Humidity
87%
Feels like
15°F
Dew Point
19°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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