Hourly Weather Forecast - Mercer, PA

12 AM
38°F
50%
5mph
SW
50% Chance of Light Rain
Humidity
99%
Feels like
35°F
Dew Point
38°F
1 AM
38°F
40%
5mph
SW
40% Chance of Light Rain
Humidity
99%
Feels like
35°F
Dew Point
38°F
2 AM
38°F
30%
5mph
SW
30% Chance of Light Rain
Humidity
98%
Feels like
34°F
Dew Point
38°F
3 AM
38°F
20%
5mph
SW
Cloudy
Humidity
98%
Feels like
34°F
Dew Point
38°F
4 AM
38°F
20%
6mph
SW
Cloudy
Humidity
98%
Feels like
34°F
Dew Point
38°F
5 AM
38°F
10%
6mph
SW
Cloudy
Humidity
97%
Feels like
34°F
Dew Point
37°F
6 AM
37°F
10%
5mph
SW
Cloudy
Humidity
97%
Feels like
33°F
Dew Point
36°F
7 AM
37°F
20%
5mph
SW
Cloudy
Humidity
96%
Feels like
32°F
Dew Point
36°F
7:46 AM
8 AM
37°F
30%
6mph
WSW
30% Chance of Light Rain
Humidity
96%
Feels like
33°F
Dew Point
36°F
9 AM
38°F
30%
6mph
WSW
30% Chance of Light Rain
Humidity
97%
Feels like
34°F
Dew Point
37°F
10 AM
39°F
20%
6mph
WSW
Cloudy
Humidity
96%
Feels like
34°F
Dew Point
38°F
11 AM
39°F
20%
6mph
WSW
Cloudy
Humidity
94%
Feels like
35°F
Dew Point
38°F
12 PM
40°F
10%
7mph
WSW
Cloudy
Humidity
92%
Feels like
35°F
Dew Point
37°F
1 PM
40°F
10%
7mph
W
Cloudy
Humidity
90%
Feels like
35°F
Dew Point
37°F
2 PM
40°F
10%
6mph
W
Cloudy
Humidity
88%
Feels like
35°F
Dew Point
37°F
3 PM
40°F
10%
6mph
W
Cloudy
Humidity
88%
Feels like
36°F
Dew Point
37°F
4 PM
39°F
10%
5mph
W
Cloudy
Humidity
88%
Feels like
36°F
Dew Point
36°F
5 PM
38°F
10%
4mph
WSW
Cloudy
Humidity
90%
Feels like
35°F
Dew Point
35°F
5:08 PM
6 PM
37°F
10%
3mph
WSW
Cloudy
Humidity
94%
Feels like
34°F
Dew Point
35°F
7 PM
35°F
10%
2mph
WSW
Cloudy
Humidity
96%
Feels like
35°F
Dew Point
34°F
8 PM
34°F
10%
2mph
SW
Cloudy
Humidity
98%
Feels like
34°F
Dew Point
34°F
9 PM
34°F
10%
3mph
SW
Foggy
Humidity
99%
Feels like
34°F
Dew Point
33°F
10 PM
33°F
10%
3mph
SSW
Foggy
Humidity
99%
Feels like
33°F
Dew Point
33°F
11 PM
33°F
10%
3mph
SSW
Foggy
Humidity
100%
Feels like
33°F
Dew Point
33°F

Rain and Snow Totals Through Monday

More Rain and Mountain Snow Across Northern California

A series of storms will impact northern California through Monday bringing locally heavy rain and mountain snow.

Weekend Weather Outlook

Weekend Weather Outlook

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide