Hourly Weather Forecast - Amaranth Station, Ontario, CA

6 AM
18°F
0%
9mph
SSW
Partly Cloudy
Humidity
81%
Feels like
8°F
Dew Point
13°F
7 AM
19°F
10%
10mph
SSW
Partly Cloudy
Humidity
82%
Feels like
7°F
Dew Point
14°F
7:51 AM
8 AM
19°F
10%
11mph
SSW
Mostly Cloudy
Humidity
82%
Feels like
7°F
Dew Point
15°F
9 AM
20°F
10%
13mph
S
Mostly Cloudy
Humidity
80%
Feels like
8°F
Dew Point
15°F
10 AM
22°F
10%
14mph
S
Cloudy
Humidity
76%
Feels like
10°F
Dew Point
16°F
11 AM
24°F
10%
15mph
S
Mostly Cloudy
Humidity
75%
Feels like
11°F
Dew Point
17°F
12 PM
25°F
10%
15mph
S
Mostly Cloudy
Humidity
74%
Feels like
12°F
Dew Point
18°F
1 PM
26°F
10%
15mph
S
Mostly Cloudy
Humidity
74%
Feels like
13°F
Dew Point
18°F
2 PM
27°F
10%
15mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
15°F
Dew Point
19°F
3 PM
28°F
10%
16mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
16°F
Dew Point
20°F
4 PM
29°F
10%
17mph
SW
Mostly Cloudy
Humidity
73%
Feels like
17°F
Dew Point
21°F
4:45 PM
5 PM
30°F
20%
17mph
SW
Cloudy
Humidity
74%
Feels like
18°F
Dew Point
22°F
6 PM
30°F
30%
18mph
SW
30% Chance of Flurries
Humidity
75%
Feels like
19°F
Dew Point
24°F
7 PM
31°F
30%
18mph
WSW
30 % Chance of Heavy Snow
Humidity
76%
Feels like
19°F
Dew Point
24°F
8 PM
31°F
30%
18mph
WSW
30% Chance of Snow
Humidity
77%
Feels like
19°F
Dew Point
24°F
9 PM
30°F
10%
18mph
WSW
Mostly Cloudy
Humidity
77%
Feels like
18°F
Dew Point
24°F
10 PM
29°F
0%
18mph
WSW
Partly Cloudy
Humidity
77%
Feels like
17°F
Dew Point
23°F
11 PM
28°F
0%
19mph
WSW
Partly Cloudy
Humidity
78%
Feels like
16°F
Dew Point
22°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

Weekend Weather Outlook

Weekend 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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