Hourly Weather Forecast - Ancaster, Ontario, CA

12 AM
20°F
10%
11mph
W
Partly Cloudy
Humidity
73%
Feels like
8°F
Dew Point
13°F
1 AM
19°F
10%
10mph
W
Partly Cloudy
Humidity
76%
Feels like
7°F
Dew Point
13°F
2 AM
18°F
10%
10mph
W
Partly Cloudy
Humidity
79%
Feels like
7°F
Dew Point
13°F
3 AM
18°F
10%
9mph
W
Partly Cloudy
Humidity
82%
Feels like
7°F
Dew Point
13°F
4 AM
18°F
10%
9mph
W
Mostly Clear
Humidity
83%
Feels like
7°F
Dew Point
13°F
5 AM
18°F
10%
9mph
W
Partly Cloudy
Humidity
85%
Feels like
7°F
Dew Point
14°F
6 AM
18°F
10%
8mph
W
Mostly Cloudy
Humidity
87%
Feels like
8°F
Dew Point
15°F
7 AM
19°F
10%
8mph
W
Cloudy
Humidity
87%
Feels like
9°F
Dew Point
15°F
7:49 AM
8 AM
20°F
0%
8mph
W
Cloudy
Humidity
85%
Feels like
10°F
Dew Point
16°F
9 AM
22°F
0%
8mph
W
Cloudy
Humidity
78%
Feels like
12°F
Dew Point
16°F
10 AM
23°F
0%
9mph
W
Cloudy
Humidity
71%
Feels like
14°F
Dew Point
15°F
11 AM
25°F
0%
9mph
W
Cloudy
Humidity
66%
Feels like
16°F
Dew Point
15°F
12 PM
26°F
0%
10mph
WSW
Cloudy
Humidity
61%
Feels like
17°F
Dew Point
15°F
1 PM
28°F
10%
10mph
WSW
Cloudy
Humidity
58%
Feels like
18°F
Dew Point
15°F
2 PM
29°F
10%
10mph
WSW
Cloudy
Humidity
56%
Feels like
20°F
Dew Point
15°F
3 PM
29°F
10%
9mph
WSW
Cloudy
Humidity
56%
Feels like
21°F
Dew Point
15°F
4 PM
29°F
10%
8mph
WSW
Cloudy
Humidity
59%
Feels like
21°F
Dew Point
16°F
4:48 PM
5 PM
28°F
20%
8mph
SW
Cloudy
Humidity
63%
Feels like
20°F
Dew Point
17°F
6 PM
27°F
20%
7mph
SW
Cloudy
Humidity
67%
Feels like
19°F
Dew Point
18°F
7 PM
26°F
20%
7mph
SW
Mostly Cloudy
Humidity
71%
Feels like
18°F
Dew Point
18°F
8 PM
26°F
20%
7mph
SSW
Mostly Cloudy
Humidity
71%
Feels like
18°F
Dew Point
18°F
9 PM
25°F
20%
7mph
SSW
Mostly Cloudy
Humidity
73%
Feels like
17°F
Dew Point
18°F
10 PM
25°F
20%
8mph
SSW
Mostly Cloudy
Humidity
74%
Feels like
17°F
Dew Point
18°F
11 PM
25°F
20%
8mph
SSW
Partly Cloudy
Humidity
76%
Feels like
17°F
Dew Point
19°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

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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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