Hourly Weather Forecast - Happy Valley, PA

12 AM
15°F
0%
8mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
4°F
Dew Point
6°F
1 AM
14°F
0%
8mph
WNW
Mostly Cloudy
Humidity
69%
Feels like
3°F
Dew Point
6°F
2 AM
14°F
0%
7mph
WNW
Partly Cloudy
Humidity
71%
Feels like
4°F
Dew Point
6°F
3 AM
14°F
0%
6mph
WNW
Mostly Cloudy
Humidity
77%
Feels like
4°F
Dew Point
8°F
4 AM
13°F
0%
6mph
WNW
Mostly Cloudy
Humidity
77%
Feels like
4°F
Dew Point
8°F
5 AM
13°F
0%
6mph
WNW
Partly Cloudy
Humidity
81%
Feels like
4°F
Dew Point
9°F
6 AM
13°F
0%
5mph
WNW
Partly Cloudy
Humidity
83%
Feels like
5°F
Dew Point
9°F
7 AM
14°F
0%
5mph
W
Partly Cloudy
Humidity
81%
Feels like
6°F
Dew Point
10°F
7:22 AM
8 AM
16°F
0%
5mph
W
Mostly Sunny
Humidity
82%
Feels like
8°F
Dew Point
11°F
9 AM
18°F
0%
5mph
W
Mostly Sunny
Humidity
78%
Feels like
11°F
Dew Point
12°F
10 AM
20°F
0%
5mph
W
Mostly Sunny
Humidity
74%
Feels like
13°F
Dew Point
13°F
11 AM
22°F
0%
5mph
W
Partly Cloudy
Humidity
73%
Feels like
15°F
Dew Point
14°F
12 PM
23°F
0%
5mph
W
Partly Cloudy
Humidity
72%
Feels like
16°F
Dew Point
15°F
1 PM
24°F
10%
5mph
W
Partly Cloudy
Humidity
74%
Feels like
17°F
Dew Point
17°F
2 PM
24°F
10%
5mph
WSW
Mostly Cloudy
Humidity
76%
Feels like
17°F
Dew Point
18°F
3 PM
24°F
20%
5mph
WSW
Cloudy
Humidity
81%
Feels like
17°F
Dew Point
19°F
4 PM
23°F
20%
5mph
WSW
Cloudy
Humidity
85%
Feels like
17°F
Dew Point
19°F
4:34 PM
5 PM
22°F
20%
4mph
SW
Cloudy
Humidity
89%
Feels like
17°F
Dew Point
20°F
6 PM
22°F
20%
4mph
SW
Cloudy
Humidity
91%
Feels like
16°F
Dew Point
20°F
7 PM
21°F
20%
4mph
SW
Cloudy
Humidity
91%
Feels like
16°F
Dew Point
19°F
8 PM
21°F
10%
4mph
SW
Cloudy
Humidity
91%
Feels like
16°F
Dew Point
19°F
9 PM
20°F
10%
4mph
SW
Cloudy
Humidity
91%
Feels like
15°F
Dew Point
18°F
10 PM
20°F
10%
4mph
SW
Cloudy
Humidity
88%
Feels like
15°F
Dew Point
17°F
11 PM
19°F
0%
3mph
SW
Cloudy
Humidity
85%
Feels like
14°F
Dew Point
16°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

Monday's Weather Outlook

Monday'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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