Hourly Weather Forecast - Newcastle, CA

12 AM
48°F
70%
4mph
SE
70% Chance of Light Rain
Humidity
100%
Feels like
47°F
Dew Point
48°F
1 AM
49°F
70%
4mph
SE
70% Chance of Light Rain
Humidity
100%
Feels like
47°F
Dew Point
49°F
2 AM
49°F
60%
4mph
SE
60% Chance of Light Rain
Humidity
100%
Feels like
48°F
Dew Point
49°F
3 AM
49°F
60%
4mph
SE
60% Chance of Light Rain
Humidity
100%
Feels like
48°F
Dew Point
49°F
4 AM
49°F
60%
4mph
SE
60% Chance of Light Rain
Humidity
100%
Feels like
48°F
Dew Point
49°F
5 AM
50°F
60%
4mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
48°F
Dew Point
50°F
6 AM
50°F
60%
4mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
48°F
Dew Point
50°F
7 AM
49°F
60%
5mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
47°F
Dew Point
49°F
7:20 AM
8 AM
49°F
60%
6mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
46°F
Dew Point
49°F
9 AM
46°F
60%
7mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
43°F
Dew Point
46°F
10 AM
44°F
60%
8mph
SSE
60% Chance of Rain
Humidity
100%
Feels like
40°F
Dew Point
44°F
11 AM
44°F
60%
8mph
SSE
60% Chance of Rain
Humidity
100%
Feels like
39°F
Dew Point
44°F
12 PM
43°F
60%
8mph
S
60% Chance of Rain
Humidity
100%
Feels like
38°F
Dew Point
43°F
1 PM
43°F
60%
7mph
S
60% Chance of Rain
Humidity
100%
Feels like
38°F
Dew Point
43°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide