Hourly Weather Forecast - Ajax, Ontario, CA

12 AM
12°F
10%
8mph
NW
Mostly Clear
Humidity
73%
Feels like
0°F
Dew Point
5°F
1 AM
11°F
10%
8mph
NW
Clear
Humidity
75%
Feels like
0°F
Dew Point
5°F
2 AM
11°F
10%
8mph
NW
Mostly Clear
Humidity
78%
Feels like
-1°F
Dew Point
5°F
3 AM
10°F
10%
8mph
NW
Mostly Clear
Humidity
79%
Feels like
-2°F
Dew Point
5°F
4 AM
9°F
10%
8mph
NNW
Partly Cloudy
Humidity
81%
Feels like
-2°F
Dew Point
5°F
5 AM
9°F
10%
8mph
NNW
Partly Cloudy
Humidity
82%
Feels like
-3°F
Dew Point
4°F
6 AM
7°F
10%
7mph
NNW
Partly Cloudy
Humidity
85%
Feels like
-5°F
Dew Point
4°F
7 AM
7°F
10%
7mph
NNW
Mostly Cloudy
Humidity
85%
Feels like
-5°F
Dew Point
4°F
7:43 AM
8 AM
9°F
10%
7mph
NW
Partly Cloudy
Humidity
84%
Feels like
-3°F
Dew Point
5°F
9 AM
12°F
10%
7mph
NW
Mostly Cloudy
Humidity
79%
Feels like
1°F
Dew Point
7°F
10 AM
15°F
10%
7mph
NW
Cloudy
Humidity
76%
Feels like
5°F
Dew Point
9°F
11 AM
18°F
10%
8mph
WNW
Cloudy
Humidity
75%
Feels like
8°F
Dew Point
11°F
12 PM
20°F
10%
8mph
WNW
Cloudy
Humidity
72%
Feels like
10°F
Dew Point
12°F
1 PM
21°F
20%
8mph
W
Cloudy
Humidity
70%
Feels like
12°F
Dew Point
13°F
2 PM
22°F
20%
8mph
W
Cloudy
Humidity
69%
Feels like
13°F
Dew Point
13°F
3 PM
22°F
20%
7mph
W
Cloudy
Humidity
72%
Feels like
13°F
Dew Point
14°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide