Hourly Weather Forecast - Mount Lebanon, PA

12 AM
22°F
10%
4mph
WSW
Partly Cloudy
Humidity
68%
Feels like
16°F
Dew Point
13°F
1 AM
23°F
10%
4mph
WSW
Partly Cloudy
Humidity
66%
Feels like
17°F
Dew Point
13°F
2 AM
23°F
10%
4mph
SW
Partly Cloudy
Humidity
65%
Feels like
18°F
Dew Point
13°F
3 AM
24°F
10%
4mph
SSW
Partly Cloudy
Humidity
65%
Feels like
19°F
Dew Point
14°F
4 AM
24°F
10%
4mph
S
Partly Cloudy
Humidity
66%
Feels like
19°F
Dew Point
14°F
5 AM
24°F
20%
3mph
S
Partly Cloudy
Humidity
66%
Feels like
20°F
Dew Point
15°F
6 AM
25°F
20%
3mph
SSE
Partly Cloudy
Humidity
66%
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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