Hourly Weather Forecast - Mercer, PA

12 AM
34°F
40%
4mph
SE
40% Chance of Light Rain
Humidity
92%
Feels like
30°F
Dew Point
32°F
1 AM
35°F
50%
5mph
SE
50% Chance Frozen Mix
Humidity
92%
Feels like
30°F
Dew Point
32°F
2 AM
35°F
60%
5mph
SSE
60% Chance Frozen Mix
Humidity
92%
Feels like
31°F
Dew Point
33°F
3 AM
36°F
70%
6mph
SSE
70% Chance of Flurries
Humidity
92%
Feels like
31°F
Dew Point
34°F
4 AM
36°F
70%
6mph
SSE
70% Chance of Flurries
Humidity
92%
Feels like
31°F
Dew Point
34°F

Forecast Wind Gusts For Today

Storm Pummels Eastern U.S.

A strong disturbance will sweep across the eastern U.S. today bringing various impacts including rain and thunderstorms, snow and even strong wind gusts.

Rain And Snow Totals Through Tonight

Atmospheric River Impacts Northwest into Northern California

NOAA, NCDC

White Christmas? What Are The Odds

Today's Weather Outlook

Today's Weather Outlook

Friday's Weather Outlook

Weekend Weather Preview

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide