Hourly Weather Forecast - Upper Saint Clair, PA

12 AM
38°F
30%
2mph
SSE
30% Chance of Light Rain
Humidity
91%
Feels like
38°F
Dew Point
35°F
1 AM
39°F
50%
3mph
SSE
50% Chance of Light Rain
Humidity
90%
Feels like
39°F
Dew Point
36°F
2 AM
40°F
70%
3mph
S
70% Chance of Light Rain
Humidity
90%
Feels like
39°F
Dew Point
38°F
3 AM
42°F
80%
4mph
S
80% Chance of Light Rain
Humidity
92%
Feels like
40°F
Dew Point
40°F
4 AM
43°F
90%
4mph
S
Light Rain
Humidity
93%
Feels like
41°F
Dew Point
41°F
5 AM
44°F
80%
5mph
S
80% Chance of Light Rain
Humidity
94%
Feels like
41°F
Dew Point
42°F
6 AM
44°F
80%
5mph
S
80% Chance of Light Rain
Humidity
92%
Feels like
41°F
Dew Point
42°F
7 AM
45°F
80%
6mph
S
80% Chance of Light Rain
Humidity
91%
Feels like
42°F
Dew Point
43°F
7:41 AM
8 AM
46°F
80%
6mph
SSW
80% Chance of Light Rain
Humidity
93%
Feels like
43°F
Dew Point
44°F
9 AM
48°F
80%
6mph
SSW
80% Chance of Light Rain
Humidity
94%
Feels like
45°F
Dew Point
46°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 Pacific Northwest

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