Hourly Weather Forecast - Ajax, Ontario, CA

12 AM
33°F
30%
5mph
SSE
30% Chance of Light Rain
Humidity
75%
Feels like
29°F
Dew Point
26°F
1 AM
33°F
40%
5mph
SSE
40% Chance Frozen Mix
Humidity
80%
Feels like
28°F
Dew Point
28°F
2 AM
33°F
50%
5mph
SSE
50% Chance Frozen Mix
Humidity
85%
Feels like
28°F
Dew Point
29°F
3 AM
33°F
60%
5mph
SSE
60% Chance of Flurries
Humidity
87%
Feels like
28°F
Dew Point
30°F
4 AM
33°F
50%
5mph
SSE
50% Chance Frozen Mix
Humidity
89%
Feels like
28°F
Dew Point
30°F
5 AM
32°F
40%
5mph
SE
40% Chance Frozen Mix
Humidity
89%
Feels like
28°F
Dew Point
30°F
6 AM
32°F
30%
4mph
E
30% Chance Rain Showers
Humidity
89%
Feels like
28°F
Dew Point
29°F
7 AM
33°F
30%
4mph
ENE
30% Chance Rain Showers
Humidity
88%
Feels like
28°F
Dew Point
29°F
7:48 AM
8 AM
34°F
10%
4mph
ENE
Partly Cloudy
Humidity
82%
Feels like
30°F
Dew Point
29°F
9 AM
37°F
10%
4mph
ENE
Partly Cloudy
Humidity
78%
Feels like
33°F
Dew Point
30°F
10 AM
38°F
10%
4mph
ENE
Partly Cloudy
Humidity
77%
Feels like
35°F
Dew Point
32°F
11 AM
40°F
10%
4mph
ENE
Partly Cloudy
Humidity
74%
Feels like
37°F
Dew Point
32°F
12 PM
40°F
10%
4mph
ENE
Partly Cloudy
Humidity
70%
Feels like
37°F
Dew Point
31°F
1 PM
40°F
10%
4mph
ENE
Partly Cloudy
Humidity
69%
Feels like
38°F
Dew Point
31°F
2 PM
40°F
10%
4mph
ENE
Partly Cloudy
Humidity
71%
Feels like
37°F
Dew Point
31°F
3 PM
39°F
10%
4mph
E
Mostly Cloudy
Humidity
73%
Feels like
36°F
Dew Point
31°F
4 PM
38°F
10%
5mph
E
Cloudy
Humidity
76%
Feels like
34°F
Dew Point
31°F
4:43 PM
5 PM
37°F
20%
6mph
E
Cloudy
Humidity
78%
Feels like
33°F
Dew Point
31°F
6 PM
38°F
20%
7mph
E
Cloudy
Humidity
78%
Feels like
32°F
Dew Point
31°F
7 PM
38°F
20%
7mph
E
Cloudy
Humidity
79%
Feels like
32°F
Dew Point
32°F
8 PM
37°F
30%
8mph
E
30% Chance of Light Rain
Humidity
80%
Feels like
31°F
Dew Point
32°F
9 PM
37°F
30%
9mph
E
30% Chance of Light Rain
Humidity
82%
Feels like
31°F
Dew Point
32°F
10 PM
37°F
30%
9mph
E
30% Chance of Light Rain
Humidity
84%
Feels like
30°F
Dew Point
32°F
11 PM
36°F
30%
9mph
E
30% Chance of Light Rain
Humidity
84%
Feels like
29°F
Dew Point
31°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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