Hourly Weather Forecast - Keystone, PA

12 AM
20°F
0%
10mph
WNW
Clear
Humidity
71%
Feels like
9°F
Dew Point
12°F
1 AM
20°F
0%
9mph
WNW
Clear
Humidity
71%
Feels like
9°F
Dew Point
12°F
2 AM
19°F
0%
8mph
W
Clear
Humidity
70%
Feels like
9°F
Dew Point
11°F
3 AM
19°F
0%
7mph
W
Clear
Humidity
70%
Feels like
10°F
Dew Point
11°F
4 AM
19°F
0%
7mph
W
Clear
Humidity
69%
Feels like
10°F
Dew Point
10°F
5 AM
19°F
0%
6mph
W
Clear
Humidity
69%
Feels like
10°F
Dew Point
10°F
6 AM
18°F
0%
5mph
W
Clear
Humidity
69%
Feels like
11°F
Dew Point
10°F
7 AM
19°F
0%
5mph
WSW
Clear
Humidity
67%
Feels like
12°F
Dew Point
10°F
7:34 AM
8 AM
21°F
0%
4mph
WSW
Sunny
Humidity
62%
Feels like
15°F
Dew Point
10°F
9 AM
24°F
0%
4mph
W
Mostly Sunny
Humidity
54%
Feels like
19°F
Dew Point
10°F
10 AM
28°F
0%
4mph
W
Partly Cloudy
Humidity
48%
Feels like
23°F
Dew Point
11°F
11 AM
31°F
0%
4mph
W
Partly Cloudy
Humidity
43%
Feels like
27°F
Dew Point
11°F
12 PM
35°F
0%
4mph
WSW
Partly Cloudy
Humidity
38%
Feels like
31°F
Dew Point
12°F
1 PM
37°F
10%
4mph
WSW
Partly Cloudy
Humidity
35%
Feels like
33°F
Dew Point
12°F
2 PM
37°F
10%
4mph
SW
Partly Cloudy
Humidity
37%
Feels like
34°F
Dew Point
13°F
3 PM
37°F
10%
3mph
SW
Partly Cloudy
Humidity
41%
Feels like
34°F
Dew Point
15°F
4 PM
36°F
10%
3mph
SSW
Mostly Cloudy
Humidity
44%
Feels like
36°F
Dew Point
16°F
4:54 PM
5 PM
35°F
10%
3mph
S
Mostly Cloudy
Humidity
47%
Feels like
35°F
Dew Point
17°F
6 PM
33°F
10%
2mph
SSE
Partly Cloudy
Humidity
50%
Feels like
33°F
Dew Point
17°F
7 PM
32°F
10%
3mph
SSE
Partly Cloudy
Humidity
52%
Feels like
32°F
Dew Point
17°F
8 PM
32°F
10%
3mph
SSE
Partly Cloudy
Humidity
53%
Feels like
29°F
Dew Point
17°F
9 PM
31°F
20%
3mph
SSE
Partly Cloudy
Humidity
54%
Feels like
28°F
Dew Point
17°F
10 PM
31°F
30%
4mph
SSE
30% Chance Freezing Rain
Humidity
55%
Feels like
27°F
Dew Point
17°F
11 PM
31°F
40%
4mph
SSE
40% Chance Freezing Rain
Humidity
56%
Feels like
27°F
Dew Point
18°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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