Hourly Weather Forecast - New Castle Northwest, PA

12 AM
19°F
10%
6mph
WSW
Partly Cloudy
Humidity
65%
Feels like
11°F
Dew Point
10°F
1 AM
19°F
10%
6mph
SW
Partly Cloudy
Humidity
67%
Feels like
10°F
Dew Point
10°F
2 AM
19°F
10%
6mph
SSW
Partly Cloudy
Humidity
68%
Feels like
10°F
Dew Point
10°F
3 AM
19°F
10%
6mph
SSW
Mostly Cloudy
Humidity
68%
Feels like
11°F
Dew Point
10°F
4 AM
19°F
30%
6mph
S
30 % Chance of Heavy Snow
Humidity
69%
Feels like
11°F
Dew Point
11°F
5 AM
20°F
30%
6mph
S
30 % Chance of Heavy Snow
Humidity
68%
Feels like
12°F
Dew Point
11°F
6 AM
20°F
30%
6mph
SSE
30 % Chance of Heavy Snow
Humidity
70%
Feels like
12°F
Dew Point
12°F
7 AM
21°F
30%
7mph
SSE
30 % Chance of Heavy Snow
Humidity
70%
Feels like
13°F
Dew Point
13°F
7:42 AM
8 AM
23°F
30%
7mph
SSE
30% Chance of Heavy Snow
Humidity
67%
Feels like
15°F
Dew Point
14°F
9 AM
26°F
30%
8mph
SSE
30% Chance of Heavy Snow
Humidity
61%
Feels like
18°F
Dew Point
15°F
10 AM
29°F
30%
9mph
SSE
30% Chance of Heavy Snow
Humidity
56%
Feels like
21°F
Dew Point
15°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

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

Cold Air Damming - Cause And Effects

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