Hourly Weather Forecast - Ancaster, Ontario, CA

12 PM
38°F
0%
18mph
W
Mostly Cloudy
Humidity
77%
Feels like
28°F
Dew Point
31°F
1 PM
38°F
0%
17mph
W
Cloudy
Humidity
77%
Feels like
28°F
Dew Point
31°F
2 PM
37°F
70%
16mph
W
70% Chance Frozen Mix
Humidity
76%
Feels like
28°F
Dew Point
30°F
3 PM
36°F
0%
15mph
W
Partly Cloudy
Humidity
75%
Feels like
27°F
Dew Point
29°F
4 PM
35°F
0%
13mph
W
Partly Cloudy
Humidity
75%
Feels like
26°F
Dew Point
28°F
4:45 PM
5 PM
33°F
0%
10mph
W
Partly Cloudy
Humidity
75%
Feels like
25°F
Dew Point
26°F
6 PM
32°F
0%
8mph
W
Mostly Clear
Humidity
78%
Feels like
25°F
Dew Point
26°F
7 PM
30°F
0%
7mph
WSW
Mostly Clear
Humidity
82%
Feels like
24°F
Dew Point
26°F
8 PM
29°F
0%
6mph
SW
Mostly Clear
Humidity
84%
Feels like
23°F
Dew Point
24°F
9 PM
27°F
0%
5mph
SSW
Partly Cloudy
Humidity
84%
Feels like
22°F
Dew Point
23°F
10 PM
26°F
0%
5mph
S
Mostly Cloudy
Humidity
86%
Feels like
20°F
Dew Point
23°F
11 PM
26°F
0%
6mph
S
Mostly Cloudy
Humidity
89%
Feels like
18°F
Dew Point
23°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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