Hourly Weather Forecast - New Castle Northwest, PA

6 PM
37°F
10%
9mph
S
Mostly Cloudy
Humidity
54%
Feels like
31°F
Dew Point
22°F
7 PM
37°F
10%
9mph
SSW
Cloudy
Humidity
58%
Feels like
30°F
Dew Point
23°F
8 PM
36°F
10%
9mph
SSW
Cloudy
Humidity
67%
Feels like
30°F
Dew Point
26°F
9 PM
36°F
10%
8mph
SW
Cloudy
Humidity
69%
Feels like
29°F
Dew Point
27°F
10 PM
35°F
10%
8mph
SW
Cloudy
Humidity
69%
Feels like
29°F
Dew Point
26°F
11 PM
35°F
10%
8mph
WSW
Cloudy
Humidity
72%
Feels like
29°F
Dew Point
27°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

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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