Hourly Weather Forecast - Ajax, Ontario, CA

12 AM
34°F
10%
13mph
NW
Mostly Cloudy
Humidity
76%
Feels like
25°F
Dew Point
27°F
1 AM
33°F
0%
13mph
NW
Mostly Cloudy
Humidity
76%
Feels like
24°F
Dew Point
27°F
2 AM
33°F
0%
13mph
NW
Mostly Cloudy
Humidity
78%
Feels like
24°F
Dew Point
27°F
3 AM
33°F
0%
13mph
NW
Mostly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
27°F
4 AM
33°F
0%
12mph
NW
Mostly Cloudy
Humidity
78%
Feels like
24°F
Dew Point
27°F
5 AM
32°F
0%
11mph
NW
Mostly Cloudy
Humidity
78%
Feels like
24°F
Dew Point
26°F
6 AM
32°F
0%
11mph
NW
Mostly Cloudy
Humidity
77%
Feels like
23°F
Dew Point
26°F
7 AM
32°F
0%
10mph
NW
Mostly Cloudy
Humidity
76%
Feels like
24°F
Dew Point
26°F
7:48 AM
8 AM
33°F
0%
9mph
NW
Partly Cloudy
Humidity
73%
Feels like
25°F
Dew Point
25°F
9 AM
34°F
0%
9mph
NW
Partly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
25°F
10 AM
34°F
0%
8mph
NW
Partly Cloudy
Humidity
63%
Feels like
28°F
Dew Point
23°F
11 AM
34°F
0%
7mph
NW
Partly Cloudy
Humidity
59%
Feels like
28°F
Dew Point
21°F
12 PM
34°F
0%
6mph
WNW
Partly Cloudy
Humidity
56%
Feels like
28°F
Dew Point
20°F
1 PM
33°F
0%
6mph
WNW
Partly Cloudy
Humidity
56%
Feels like
28°F
Dew Point
19°F
2 PM
33°F
0%
5mph
W
Mostly Cloudy
Humidity
59%
Feels like
28°F
Dew Point
20°F
3 PM
32°F
10%
4mph
W
Mostly Cloudy
Humidity
61%
Feels like
28°F
Dew Point
20°F
4 PM
31°F
10%
4mph
WSW
Mostly Cloudy
Humidity
67%
Feels like
27°F
Dew Point
21°F
4:42 PM
5 PM
30°F
0%
3mph
WSW
Mostly Cloudy
Humidity
74%
Feels like
27°F
Dew Point
23°F
6 PM
29°F
10%
3mph
SSW
Mostly Cloudy
Humidity
76%
Feels like
26°F
Dew Point
23°F
7 PM
29°F
10%
3mph
S
Mostly Cloudy
Humidity
72%
Feels like
26°F
Dew Point
22°F
8 PM
30°F
10%
4mph
SSE
Mostly Cloudy
Humidity
73%
Feels like
26°F
Dew Point
22°F
9 PM
31°F
10%
4mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
27°F
Dew Point
23°F
10 PM
32°F
10%
4mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
28°F
Dew Point
24°F
11 PM
33°F
20%
4mph
SSE
Cloudy
Humidity
73%
Feels like
29°F
Dew Point
25°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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