Hourly Weather Forecast - Mercer, PA

3 AM
35°F
0%
11mph
W
Mostly Clear
Humidity
73%
Feels like
27°F
Dew Point
28°F
4 AM
34°F
0%
12mph
W
Mostly Clear
Humidity
72%
Feels like
25°F
Dew Point
26°F
5 AM
32°F
0%
12mph
W
Partly Cloudy
Humidity
71%
Feels like
23°F
Dew Point
24°F
6 AM
30°F
0%
12mph
WNW
Partly Cloudy
Humidity
70%
Feels like
21°F
Dew Point
22°F
7 AM
29°F
0%
13mph
WNW
Mostly Cloudy
Humidity
69%
Feels like
19°F
Dew Point
20°F
7:43 AM
8 AM
28°F
0%
13mph
WNW
Mostly Cloudy
Humidity
68%
Feels like
17°F
Dew Point
19°F
9 AM
27°F
0%
13mph
WNW
Mostly Cloudy
Humidity
67%
Feels like
16°F
Dew Point
17°F
10 AM
26°F
0%
14mph
WNW
Mostly Cloudy
Humidity
66%
Feels like
15°F
Dew Point
16°F
11 AM
26°F
0%
13mph
WNW
Mostly Cloudy
Humidity
64%
Feels like
15°F
Dew Point
16°F
12 PM
26°F
0%
13mph
WNW
Mostly Cloudy
Humidity
63%
Feels like
15°F
Dew Point
15°F
1 PM
26°F
0%
13mph
WNW
Mostly Cloudy
Humidity
62%
Feels like
15°F
Dew Point
15°F
2 PM
26°F
0%
12mph
WNW
Partly Cloudy
Humidity
62%
Feels like
15°F
Dew Point
14°F
3 PM
26°F
0%
11mph
WNW
Partly Cloudy
Humidity
61%
Feels like
15°F
Dew Point
14°F
4 PM
25°F
0%
9mph
WNW
Partly Cloudy
Humidity
62%
Feels like
15°F
Dew Point
14°F
4:54 PM
5 PM
24°F
0%
7mph
WNW
Partly Cloudy
Humidity
66%
Feels like
15°F
Dew Point
14°F
6 PM
22°F
0%
6mph
WNW
Partly Cloudy
Humidity
71%
Feels like
14°F
Dew Point
14°F
7 PM
21°F
0%
5mph
WNW
Partly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
14°F
8 PM
20°F
0%
4mph
WNW
Partly Cloudy
Humidity
79%
Feels like
15°F
Dew Point
15°F
9 PM
20°F
0%
3mph
W
Mostly Clear
Humidity
81%
Feels like
15°F
Dew Point
15°F
10 PM
19°F
0%
3mph
W
Mostly Clear
Humidity
82%
Feels like
19°F
Dew Point
15°F
11 PM
19°F
0%
2mph
WSW
Clear
Humidity
83%
Feels like
19°F
Dew Point
14°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through 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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