Hourly Weather Forecast - New Castle Northwest, PA

12 AM
18°F
0%
3mph
SSW
Clear
Humidity
77%
Feels like
18°F
Dew Point
12°F
1 AM
18°F
0%
3mph
SSW
Clear
Humidity
78%
Feels like
13°F
Dew Point
12°F
2 AM
17°F
0%
3mph
S
Clear
Humidity
81%
Feels like
12°F
Dew Point
13°F
3 AM
17°F
0%
3mph
S
Clear
Humidity
80%
Feels like
12°F
Dew Point
12°F
4 AM
17°F
10%
3mph
S
Clear
Humidity
79%
Feels like
12°F
Dew Point
11°F
5 AM
16°F
10%
4mph
S
Clear
Humidity
80%
Feels like
11°F
Dew Point
11°F
6 AM
16°F
0%
4mph
S
Clear
Humidity
78%
Feels like
10°F
Dew Point
11°F
7 AM
18°F
0%
4mph
S
Clear
Humidity
77%
Feels like
11°F
Dew Point
11°F
7:43 AM
8 AM
20°F
0%
4mph
S
Mostly Sunny
Humidity
71%
Feels like
14°F
Dew Point
12°F
9 AM
24°F
0%
4mph
S
Mostly Sunny
Humidity
63%
Feels like
18°F
Dew Point
13°F
10 AM
27°F
0%
5mph
S
Partly Cloudy
Humidity
55%
Feels like
21°F
Dew Point
13°F
11 AM
30°F
0%
5mph
S
Partly Cloudy
Humidity
51%
Feels like
25°F
Dew Point
14°F
12 PM
34°F
0%
5mph
S
Partly Cloudy
Humidity
47%
Feels like
29°F
Dew Point
15°F
1 PM
36°F
10%
5mph
SSW
Partly Cloudy
Humidity
43%
Feels like
32°F
Dew Point
16°F
2 PM
37°F
10%
4mph
S
Mostly Cloudy
Humidity
43%
Feels like
33°F
Dew Point
16°F
3 PM
37°F
20%
4mph
SSE
Mostly Cloudy
Humidity
43%
Feels like
34°F
Dew Point
17°F
4 PM
36°F
20%
4mph
SSE
Cloudy
Humidity
46%
Feels like
33°F
Dew Point
18°F
4:56 PM
5 PM
35°F
20%
4mph
SE
Cloudy
Humidity
49%
Feels like
31°F
Dew Point
18°F
6 PM
33°F
20%
5mph
SE
Cloudy
Humidity
55%
Feels like
29°F
Dew Point
19°F
7 PM
33°F
20%
6mph
SE
Cloudy
Humidity
59%
Feels like
27°F
Dew Point
20°F
8 PM
32°F
20%
6mph
SE
Cloudy
Humidity
63%
Feels like
27°F
Dew Point
21°F
9 PM
33°F
30%
6mph
SE
30% Chance of Rain
Humidity
63%
Feels like
27°F
Dew Point
22°F
10 PM
33°F
50%
7mph
SE
50% Chance of Rain
Humidity
63%
Feels like
27°F
Dew Point
22°F
11 PM
33°F
60%
7mph
SE
60% Chance of Rain
Humidity
64%
Feels like
27°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

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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