Hourly Weather Forecast - Ancaster, Ontario, CA

7 AM
20°F
30%
18mph
W
30% Chance of Snow
Humidity
86%
Feels like
5°F
Dew Point
16°F
7:51 AM
8 AM
20°F
30%
18mph
W
30% Chance of Heavy Snow
Humidity
84%
Feels like
5°F
Dew Point
16°F
9 AM
20°F
30%
18mph
WNW
30% Chance of Heavy Snow
Humidity
82%
Feels like
5°F
Dew Point
16°F
10 AM
21°F
30%
19mph
WNW
30% Chance of Heavy Snow
Humidity
79%
Feels like
6°F
Dew Point
15°F
11 AM
21°F
30%
20mph
WNW
30% Chance of Snow
Humidity
75%
Feels like
6°F
Dew Point
15°F
12 PM
22°F
30%
21mph
WNW
30% Chance of Flurries
Humidity
72%
Feels like
6°F
Dew Point
14°F
1 PM
22°F
30%
21mph
W
30% Chance of Flurries
Humidity
70%
Feels like
7°F
Dew Point
14°F
2 PM
23°F
10%
21mph
W
Windy
Humidity
67%
Feels like
8°F
Dew Point
14°F
3 PM
23°F
0%
20mph
W
Mostly Cloudy
Humidity
66%
Feels like
8°F
Dew Point
13°F
4 PM
23°F
10%
19mph
W
Mostly Cloudy
Humidity
67%
Feels like
8°F
Dew Point
13°F
4:53 PM
5 PM
23°F
10%
18mph
W
Mostly Cloudy
Humidity
68%
Feels like
8°F
Dew Point
14°F
6 PM
22°F
10%
17mph
W
Mostly Cloudy
Humidity
70%
Feels like
9°F
Dew Point
14°F
7 PM
22°F
30%
16mph
W
30% Chance of Flurries
Humidity
71%
Feels like
8°F
Dew Point
14°F
8 PM
22°F
30%
16mph
WSW
30% Chance of Snow
Humidity
73%
Feels like
8°F
Dew Point
15°F
9 PM
21°F
30%
16mph
WSW
30% Chance of Snow
Humidity
74%
Feels like
7°F
Dew Point
14°F
10 PM
20°F
30%
16mph
WSW
30% Chance of Snow
Humidity
75%
Feels like
6°F
Dew Point
14°F
11 PM
20°F
30%
16mph
WSW
30% Chance of Snow
Humidity
75%
Feels like
6°F
Dew Point
14°F

Tuesday's Weather Outlook

Today's Weather Outlook

Old Man Winter delivers plenty of cold and snow to the eastern third of the U.S. today.

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide