Hourly Weather Forecast - Newcastle, CA

12 AM
50°F
70%
13mph
SSE
70% Chance of Light Rain
Humidity
94%
Feels like
50°F
Dew Point
48°F
1 AM
50°F
70%
14mph
SSE
70% Chance of Light Rain
Humidity
95%
Feels like
50°F
Dew Point
49°F
2 AM
50°F
70%
14mph
SSE
70% Chance of Light Rain
Humidity
97%
Feels like
50°F
Dew Point
49°F
3 AM
50°F
70%
14mph
SSE
70% Chance of Light Rain
Humidity
99%
Feels like
50°F
Dew Point
50°F
4 AM
50°F
70%
14mph
SSE
70% Chance of Light Rain
Humidity
100%
Feels like
50°F
Dew Point
50°F
5 AM
51°F
80%
14mph
SSE
80% Chance of Rain
Humidity
97%
Feels like
51°F
Dew Point
51°F
6 AM
51°F
80%
15mph
SSE
80% Chance of Rain
Humidity
99%
Feels like
51°F
Dew Point
51°F
7 AM
50°F
90%
15mph
SSE
Rain
Humidity
100%
Feels like
44°F
Dew Point
50°F
7:21 AM
8 AM
48°F
90%
15mph
SSE
Rain
Humidity
100%
Feels like
42°F
Dew Point
48°F
9 AM
46°F
90%
15mph
SSE
Rain
Humidity
100%
Feels like
40°F
Dew Point
46°F
10 AM
45°F
90%
15mph
SSE
Rain
Humidity
100%
Feels like
38°F
Dew Point
45°F
11 AM
44°F
90%
15mph
SSE
Rain
Humidity
100%
Feels like
37°F
Dew Point
44°F
12 PM
43°F
90%
15mph
SSE
Rain
Humidity
100%
Feels like
36°F
Dew Point
43°F
1 PM
43°F
90%
14mph
S
Rain
Humidity
100%
Feels like
35°F
Dew Point
43°F
2 PM
42°F
90%
13mph
S
Rain
Humidity
100%
Feels like
35°F
Dew Point
42°F
3 PM
42°F
90%
12mph
S
Rain
Humidity
100%
Feels like
36°F
Dew Point
42°F
4 PM
42°F
90%
11mph
S
Rain
Humidity
100%
Feels like
35°F
Dew Point
42°F
4:48 PM
5 PM
42°F
90%
11mph
SSE
Rain
Humidity
100%
Feels like
35°F
Dew Point
42°F
6 PM
43°F
90%
10mph
SSE
Light Rain
Humidity
100%
Feels like
37°F
Dew Point
43°F
7 PM
44°F
90%
10mph
SSE
Light Rain
Humidity
100%
Feels like
39°F
Dew Point
44°F
8 PM
45°F
90%
9mph
SSE
Light Rain
Humidity
100%
Feels like
40°F
Dew Point
45°F
9 PM
46°F
90%
9mph
SSE
Light Rain
Humidity
100%
Feels like
41°F
Dew Point
46°F
10 PM
47°F
80%
9mph
SSE
80% Chance of Light Rain
Humidity
100%
Feels like
42°F
Dew Point
47°F
11 PM
47°F
80%
10mph
SSE
80% Chance of Light Rain
Humidity
100%
Feels like
43°F
Dew Point
47°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

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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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