Hourly Weather Forecast - New Castle Northwest, PA

12 AM
35°F
0%
8mph
WNW
Cloudy
Humidity
83%
Feels like
28°F
Dew Point
30°F
1 AM
34°F
0%
8mph
WNW
Cloudy
Humidity
84%
Feels like
27°F
Dew Point
29°F
2 AM
33°F
0%
8mph
WNW
Cloudy
Humidity
89%
Feels like
26°F
Dew Point
30°F
3 AM
32°F
0%
7mph
WNW
Cloudy
Humidity
86%
Feels like
25°F
Dew Point
28°F
4 AM
31°F
0%
6mph
NW
Cloudy
Humidity
86%
Feels like
24°F
Dew Point
27°F
5 AM
30°F
0%
6mph
NW
Cloudy
Humidity
87%
Feels like
24°F
Dew Point
26°F
6 AM
29°F
0%
5mph
NW
Mostly Cloudy
Humidity
87%
Feels like
23°F
Dew Point
26°F
7 AM
29°F
0%
4mph
NW
Mostly Cloudy
Humidity
89%
Feels like
24°F
Dew Point
26°F
7:44 AM
8 AM
30°F
0%
4mph
NNW
Mostly Cloudy
Humidity
84%
Feels like
26°F
Dew Point
26°F
9 AM
33°F
0%
3mph
NNW
Mostly Cloudy
Humidity
77%
Feels like
30°F
Dew Point
26°F
10 AM
35°F
0%
3mph
NNW
Mostly Cloudy
Humidity
67%
Feels like
35°F
Dew Point
25°F
11 AM
37°F
0%
2mph
NNW
Mostly Cloudy
Humidity
62%
Feels like
37°F
Dew Point
25°F
12 PM
38°F
0%
2mph
WSW
Mostly Cloudy
Humidity
58%
Feels like
38°F
Dew Point
25°F
1 PM
39°F
0%
2mph
SSW
Partly Cloudy
Humidity
56%
Feels like
39°F
Dew Point
25°F
2 PM
40°F
0%
2mph
S
Partly Cloudy
Humidity
55%
Feels like
40°F
Dew Point
25°F
3 PM
40°F
0%
2mph
S
Partly Cloudy
Humidity
55%
Feels like
40°F
Dew Point
25°F
4 PM
39°F
0%
2mph
SSE
Partly Cloudy
Humidity
58%
Feels like
39°F
Dew Point
26°F
4:57 PM
5 PM
37°F
0%
3mph
SSE
Partly Cloudy
Humidity
62%
Feels like
37°F
Dew Point
26°F
6 PM
36°F
10%
3mph
SSE
Partly Cloudy
Humidity
68%
Feels like
36°F
Dew Point
26°F
7 PM
35°F
10%
4mph
SE
Partly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
26°F
8 PM
34°F
10%
4mph
SE
Partly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
27°F
9 PM
34°F
10%
5mph
SE
Mostly Cloudy
Humidity
77%
Feels like
30°F
Dew Point
28°F
10 PM
34°F
10%
5mph
SSE
Mostly Cloudy
Humidity
76%
Feels like
30°F
Dew Point
27°F
11 PM
35°F
30%
5mph
SE
30% Chance Rain Showers
Humidity
77%
Feels like
30°F
Dew Point
28°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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