Hourly Weather Forecast - Mercer, PA

12 AM
12°F
40%
9mph
WSW
40% Chance of Flurries
Humidity
89%
Feels like
0°F
Dew Point
9°F
1 AM
11°F
40%
9mph
WSW
40% Chance of Flurries
Humidity
88%
Feels like
-1°F
Dew Point
9°F
2 AM
11°F
30%
9mph
WSW
30% Chance of Flurries
Humidity
88%
Feels like
-1°F
Dew Point
9°F
3 AM
11°F
30%
9mph
WSW
30% Chance of Flurries
Humidity
88%
Feels like
-1°F
Dew Point
9°F
4 AM
12°F
20%
9mph
W
Cloudy
Humidity
88%
Feels like
0°F
Dew Point
9°F
5 AM
11°F
20%
8mph
W
Cloudy
Humidity
88%
Feels like
0°F
Dew Point
9°F

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic through this evening.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Outdoor Sports Guide