Hourly Weather Forecast - South Mountain, PA

1 AM
18°F
0%
5mph
NE
Cloudy
Humidity
67%
Feels like
11°F
Dew Point
9°F
2 AM
18°F
0%
5mph
ENE
Mostly Cloudy
Humidity
67%
Feels like
11°F
Dew Point
9°F
3 AM
18°F
0%
5mph
ENE
Cloudy
Humidity
66%
Feels like
11°F
Dew Point
9°F
4 AM
18°F
0%
4mph
E
Cloudy
Humidity
66%
Feels like
11°F
Dew Point
9°F
5 AM
18°F
0%
4mph
E
Mostly Cloudy
Humidity
66%
Feels like
11°F
Dew Point
9°F
6 AM
18°F
0%
4mph
ESE
Cloudy
Humidity
66%
Feels like
12°F
Dew Point
9°F
7 AM
18°F
10%
4mph
SE
Cloudy
Humidity
68%
Feels like
11°F
Dew Point
10°F
7:15 AM
8 AM
19°F
10%
5mph
SE
Cloudy
Humidity
72%
Feels like
12°F
Dew Point
11°F
9 AM
19°F
30%
5mph
SE
30% Chance Frozen Mix
Humidity
77%
Feels like
12°F
Dew Point
14°F
10 AM
20°F
30%
5mph
SSE
30% Chance of Snow
Humidity
82%
Feels like
14°F
Dew Point
16°F
11 AM
22°F
10%
5mph
SSE
Cloudy
Humidity
83%
Feels like
15°F
Dew Point
17°F
12 PM
23°F
0%
5mph
SSE
Cloudy
Humidity
84%
Feels like
16°F
Dew Point
19°F
1 PM
24°F
0%
4mph
SSE
Cloudy
Humidity
84%
Feels like
18°F
Dew Point
20°F
2 PM
25°F
0%
4mph
SSE
Cloudy
Humidity
85%
Feels like
20°F
Dew Point
21°F
3 PM
25°F
0%
3mph
SSE
Cloudy
Humidity
86%
Feels like
21°F
Dew Point
22°F
4 PM
26°F
0%
3mph
SSE
Cloudy
Humidity
88%
Feels like
26°F
Dew Point
22°F
4:45 PM
5 PM
25°F
0%
2mph
SSE
Cloudy
Humidity
91%
Feels like
25°F
Dew Point
23°F
6 PM
24°F
0%
2mph
SE
Cloudy
Humidity
95%
Feels like
24°F
Dew Point
23°F
7 PM
23°F
0%
2mph
SSE
Cloudy
Humidity
98%
Feels like
23°F
Dew Point
23°F
8 PM
23°F
0%
2mph
SSE
Foggy
Humidity
99%
Feels like
23°F
Dew Point
23°F
9 PM
23°F
0%
2mph
S
Foggy
Humidity
99%
Feels like
23°F
Dew Point
23°F
10 PM
23°F
0%
2mph
S
Foggy
Humidity
99%
Feels like
23°F
Dew Point
22°F
11 PM
23°F
0%
2mph
SSW
Foggy
Humidity
99%
Feels like
23°F
Dew Point
22°F

Snowfall Forecast Through Saturday

Deep Snowfall to Pack Slopes in the Rockies

Hefty snowpack additions are expected into the weekend for the Cascades and northern Rockies.

Snow and Ice Forecast Through Friday

First Snow of the Season In Store for Parts of the East

Friday's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide