Hourly Weather Forecast - Alliston, Ontario, CA

12 PM
21°F
10%
13mph
S
Cloudy
Humidity
89%
Feels like
9°F
Dew Point
19°F
1 PM
23°F
10%
13mph
S
Cloudy
Humidity
86%
Feels like
10°F
Dew Point
19°F
2 PM
24°F
10%
13mph
S
Cloudy
Humidity
84%
Feels like
12°F
Dew Point
20°F
3 PM
26°F
10%
12mph
S
Mostly Cloudy
Humidity
85%
Feels like
15°F
Dew Point
22°F
4 PM
27°F
20%
11mph
S
Mostly Cloudy
Humidity
86%
Feels like
17°F
Dew Point
23°F
4:43 PM
5 PM
28°F
20%
11mph
SSW
Cloudy
Humidity
88%
Feels like
19°F
Dew Point
25°F
6 PM
29°F
30%
11mph
SSW
30% Chance of Flurries
Humidity
87%
Feels like
20°F
Dew Point
26°F
7 PM
29°F
20%
11mph
SW
Mostly Cloudy
Humidity
89%
Feels like
20°F
Dew Point
27°F
8 PM
30°F
10%
11mph
SW
Mostly Cloudy
Humidity
90%
Feels like
20°F
Dew Point
27°F
9 PM
30°F
0%
11mph
SW
Partly Cloudy
Humidity
89%
Feels like
20°F
Dew Point
27°F
10 PM
29°F
0%
12mph
SW
Partly Cloudy
Humidity
86%
Feels like
19°F
Dew Point
26°F
11 PM
28°F
0%
13mph
WSW
Mostly Clear
Humidity
83%
Feels like
18°F
Dew Point
24°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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