Hourly Weather Forecast - York, Ontario, CA

12 AM
35°F
20%
7mph
SSE
Partly Cloudy
Humidity
76%
Feels like
29°F
Dew Point
28°F
1 AM
35°F
30%
7mph
SSE
30% Chance Rain Showers
Humidity
79%
Feels like
29°F
Dew Point
29°F
2 AM
35°F
40%
6mph
SSE
40% Chance Rain Showers
Humidity
80%
Feels like
30°F
Dew Point
30°F
3 AM
35°F
40%
6mph
SSE
40% Chance Rain Showers
Humidity
82%
Feels like
30°F
Dew Point
30°F
4 AM
35°F
40%
5mph
SSE
40% Chance of Light Rain
Humidity
82%
Feels like
30°F
Dew Point
30°F
5 AM
34°F
20%
5mph
SE
Cloudy
Humidity
84%
Feels like
30°F
Dew Point
30°F
6 AM
34°F
10%
4mph
NNE
Cloudy
Humidity
85%
Feels like
30°F
Dew Point
30°F
7 AM
34°F
10%
4mph
NNE
Mostly Cloudy
Humidity
87%
Feels like
31°F
Dew Point
31°F
7:49 AM
8 AM
35°F
10%
4mph
NNE
Mostly Cloudy
Humidity
89%
Feels like
31°F
Dew Point
32°F
9 AM
36°F
10%
4mph
NNE
Mostly Cloudy
Humidity
89%
Feels like
32°F
Dew Point
33°F
10 AM
37°F
10%
5mph
NNE
Mostly Cloudy
Humidity
87%
Feels like
33°F
Dew Point
33°F
11 AM
38°F
10%
5mph
NE
Mostly Cloudy
Humidity
82%
Feels like
34°F
Dew Point
33°F
12 PM
39°F
10%
6mph
ENE
Mostly Cloudy
Humidity
80%
Feels like
35°F
Dew Point
33°F
1 PM
40°F
10%
6mph
ENE
Mostly Cloudy
Humidity
80%
Feels like
36°F
Dew Point
34°F
2 PM
40°F
10%
6mph
ENE
Mostly Cloudy
Humidity
80%
Feels like
36°F
Dew Point
34°F
3 PM
40°F
10%
6mph
ENE
Mostly Cloudy
Humidity
79%
Feels like
35°F
Dew Point
34°F
4 PM
39°F
10%
6mph
E
Cloudy
Humidity
80%
Feels like
34°F
Dew Point
34°F
4:45 PM
5 PM
39°F
10%
7mph
E
Cloudy
Humidity
82%
Feels like
34°F
Dew Point
34°F
6 PM
39°F
10%
8mph
E
Cloudy
Humidity
80%
Feels like
33°F
Dew Point
33°F
7 PM
38°F
20%
9mph
E
Cloudy
Humidity
81%
Feels like
32°F
Dew Point
33°F
8 PM
38°F
20%
9mph
E
Cloudy
Humidity
82%
Feels like
32°F
Dew Point
33°F
9 PM
38°F
30%
10mph
E
30% Chance of Light Rain
Humidity
84%
Feels like
32°F
Dew Point
34°F
10 PM
39°F
30%
11mph
E
30% Chance of Light Rain
Humidity
86%
Feels like
32°F
Dew Point
35°F
11 PM
39°F
30%
11mph
E
30% Chance of Light Rain
Humidity
86%
Feels like
32°F
Dew Point
36°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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