Hourly Weather Forecast - Ancaster, Ontario, CA

5 AM
9°F
70%
10mph
WSW
70% Chance Freezing Rain
Humidity
92%
Feels like
-5°F
Dew Point
7°F
6 AM
10°F
0%
11mph
WSW
Partly Cloudy
Humidity
90%
Feels like
-4°F
Dew Point
8°F
7 AM
11°F
0%
11mph
WSW
Cloudy
Humidity
88%
Feels like
-3°F
Dew Point
8°F
7:44 AM
8 AM
12°F
30%
12mph
WSW
30% Chance of Snow
Humidity
86%
Feels like
-2°F
Dew Point
9°F
9 AM
13°F
10%
13mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
-1°F
Dew Point
9°F
10 AM
15°F
20%
13mph
WSW
Cloudy
Humidity
81%
Feels like
0°F
Dew Point
10°F
11 AM
16°F
30%
14mph
WSW
30% Chance of Heavy Snow
Humidity
79%
Feels like
2°F
Dew Point
11°F
12 PM
18°F
30%
15mph
WSW
30% Chance of Heavy Snow
Humidity
79%
Feels like
4°F
Dew Point
12°F
1 PM
19°F
30%
15mph
WSW
30% Chance of Heavy Snow
Humidity
78%
Feels like
5°F
Dew Point
14°F
2 PM
20°F
30%
15mph
WSW
30% Chance of Heavy Snow
Humidity
76%
Feels like
7°F
Dew Point
14°F
3 PM
22°F
30%
15mph
SW
30% Chance of Heavy Snow
Humidity
74%
Feels like
8°F
Dew Point
15°F
4 PM
22°F
30%
15mph
SW
30% Chance of Snow
Humidity
74%
Feels like
9°F
Dew Point
15°F
4:45 PM
5 PM
21°F
10%
15mph
SW
Mostly Cloudy
Humidity
74%
Feels like
8°F
Dew Point
14°F
6 PM
20°F
0%
14mph
WSW
Mostly Cloudy
Humidity
73%
Feels like
7°F
Dew Point
13°F
7 PM
20°F
0%
14mph
WSW
Mostly Cloudy
Humidity
72%
Feels like
6°F
Dew Point
12°F
8 PM
19°F
0%
13mph
WSW
Cloudy
Humidity
70%
Feels like
5°F
Dew Point
10°F
9 PM
18°F
0%
12mph
WSW
Cloudy
Humidity
69%
Feels like
5°F
Dew Point
9°F
10 PM
17°F
0%
11mph
WSW
Cloudy
Humidity
69%
Feels like
4°F
Dew Point
8°F
11 PM
16°F
0%
10mph
WSW
Partly Cloudy
Humidity
71%
Feels like
3°F
Dew Point
8°F

Wind chill temperatures Monday A.M.

Frigid Weather Sends Shivers Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

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

Cold Air Damming - Cause And Effects

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