Hourly Weather Forecast - South Mountain, PA

12 AM
25°F
0%
9mph
WNW
Clear
Humidity
60%
Feels like
16°F
Dew Point
13°F
1 AM
25°F
0%
9mph
WNW
Clear
Humidity
60%
Feels like
16°F
Dew Point
13°F
2 AM
24°F
0%
9mph
WNW
Clear
Humidity
61%
Feels like
15°F
Dew Point
13°F
3 AM
24°F
0%
9mph
NW
Mostly Clear
Humidity
63%
Feels like
15°F
Dew Point
13°F
4 AM
24°F
0%
8mph
NW
Mostly Clear
Humidity
64%
Feels like
15°F
Dew Point
13°F
5 AM
23°F
0%
8mph
NW
Mostly Clear
Humidity
65%
Feels like
14°F
Dew Point
13°F
6 AM
22°F
0%
7mph
NW
Clear
Humidity
66%
Feels like
13°F
Dew Point
13°F
7 AM
22°F
0%
7mph
NW
Clear
Humidity
66%
Feels like
13°F
Dew Point
12°F
7:28 AM
8 AM
23°F
0%
7mph
NW
Mostly Sunny
Humidity
64%
Feels like
14°F
Dew Point
12°F
9 AM
24°F
0%
7mph
NW
Mostly Sunny
Humidity
61%
Feels like
16°F
Dew Point
13°F
10 AM
25°F
0%
6mph
NW
Partly Cloudy
Humidity
59%
Feels like
18°F
Dew Point
13°F
11 AM
27°F
10%
6mph
NW
Partly Cloudy
Humidity
55%
Feels like
20°F
Dew Point
13°F
12 PM
28°F
10%
6mph
NW
Mostly Cloudy
Humidity
52%
Feels like
22°F
Dew Point
13°F
1 PM
29°F
10%
6mph
NW
Cloudy
Humidity
50%
Feels like
23°F
Dew Point
13°F
2 PM
30°F
0%
5mph
NW
Cloudy
Humidity
50%
Feels like
25°F
Dew Point
14°F
3 PM
30°F
0%
4mph
NW
Cloudy
Humidity
51%
Feels like
26°F
Dew Point
14°F
4 PM
29°F
0%
4mph
NW
Cloudy
Humidity
54%
Feels like
25°F
Dew Point
15°F
4:48 PM
5 PM
28°F
0%
4mph
NW
Cloudy
Humidity
58%
Feels like
24°F
Dew Point
15°F
6 PM
26°F
10%
4mph
NW
Cloudy
Humidity
63%
Feels like
21°F
Dew Point
16°F
7 PM
25°F
10%
4mph
WNW
Cloudy
Humidity
67%
Feels like
20°F
Dew Point
16°F
8 PM
25°F
10%
2mph
W
Cloudy
Humidity
68%
Feels like
25°F
Dew Point
16°F
9 PM
25°F
10%
3mph
SSW
Cloudy
Humidity
68%
Feels like
25°F
Dew Point
16°F
10 PM
25°F
10%
4mph
S
Cloudy
Humidity
68%
Feels like
20°F
Dew Point
16°F
11 PM
26°F
10%
5mph
S
Cloudy
Humidity
67%
Feels like
19°F
Dew Point
16°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday's Weather Outlook

Today's Weather Outlook

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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

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