Hourly Weather Forecast - York, Ontario, CA

12 AM
39°F
0%
18mph
WNW
Mostly Cloudy
Humidity
70%
Feels like
30°F
Dew Point
30°F
1 AM
38°F
0%
18mph
WNW
Mostly Cloudy
Humidity
71%
Feels like
29°F
Dew Point
30°F
2 AM
38°F
0%
17mph
WNW
Partly Cloudy
Humidity
71%
Feels like
29°F
Dew Point
29°F
3 AM
37°F
0%
17mph
WNW
Partly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
29°F
4 AM
37°F
0%
15mph
WNW
Partly Cloudy
Humidity
69%
Feels like
27°F
Dew Point
28°F
5 AM
36°F
0%
15mph
WNW
Partly Cloudy
Humidity
70%
Feels like
26°F
Dew Point
27°F
6 AM
35°F
0%
14mph
WNW
Partly Cloudy
Humidity
71%
Feels like
26°F
Dew Point
26°F
7 AM
34°F
0%
13mph
WNW
Mostly Cloudy
Humidity
71%
Feels like
25°F
Dew Point
26°F
7:49 AM
8 AM
34°F
0%
12mph
WNW
Mostly Cloudy
Humidity
72%
Feels like
25°F
Dew Point
26°F
9 AM
34°F
0%
11mph
NW
Mostly Cloudy
Humidity
71%
Feels like
26°F
Dew Point
26°F
10 AM
34°F
0%
10mph
WNW
Mostly Cloudy
Humidity
69%
Feels like
26°F
Dew Point
25°F
11 AM
34°F
0%
8mph
WNW
Partly Cloudy
Humidity
65%
Feels like
27°F
Dew Point
24°F
12 PM
34°F
0%
7mph
W
Partly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
23°F
1 PM
34°F
0%
6mph
W
Mostly Cloudy
Humidity
63%
Feels like
29°F
Dew Point
23°F
2 PM
34°F
0%
5mph
WSW
Mostly Cloudy
Humidity
64%
Feels like
29°F
Dew Point
23°F
3 PM
34°F
0%
5mph
SW
Cloudy
Humidity
65%
Feels like
29°F
Dew Point
23°F
4 PM
34°F
0%
5mph
SSW
Cloudy
Humidity
67%
Feels like
29°F
Dew Point
24°F
4:45 PM
5 PM
34°F
0%
5mph
S
Mostly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
25°F
6 PM
33°F
0%
6mph
S
Mostly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
25°F
7 PM
33°F
10%
7mph
S
Mostly Cloudy
Humidity
69%
Feels like
27°F
Dew Point
24°F
8 PM
34°F
10%
7mph
S
Mostly Cloudy
Humidity
70%
Feels like
27°F
Dew Point
25°F
9 PM
34°F
10%
7mph
S
Mostly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
25°F
10 PM
34°F
10%
7mph
S
Mostly Cloudy
Humidity
72%
Feels like
28°F
Dew Point
26°F
11 PM
35°F
20%
7mph
S
Mostly Cloudy
Humidity
74%
Feels like
28°F
Dew Point
27°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through 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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