Hourly Weather Forecast - Upper Saint Clair, PA

12 AM
53°F
50%
5mph
SW
50% Chance of Light Rain
Humidity
95%
Feels like
53°F
Dew Point
52°F
1 AM
54°F
50%
5mph
SW
50% Chance of Light Rain
Humidity
94%
Feels like
54°F
Dew Point
52°F
2 AM
54°F
50%
5mph
SW
50% Chance of Light Rain
Humidity
93%
Feels like
54°F
Dew Point
52°F
3 AM
55°F
60%
5mph
SW
60% Chance of Light Rain
Humidity
92%
Feels like
55°F
Dew Point
52°F
4 AM
55°F
60%
5mph
SW
60% Chance of Light Rain
Humidity
90%
Feels like
55°F
Dew Point
52°F
5 AM
56°F
60%
6mph
SW
60% Chance of Light Rain
Humidity
87%
Feels like
56°F
Dew Point
53°F
6 AM
57°F
60%
6mph
SW
60% Chance of Light Rain
Humidity
88%
Feels like
57°F
Dew Point
53°F
7 AM
57°F
60%
6mph
WSW
60% Chance of Light Rain
Humidity
89%
Feels like
57°F
Dew Point
54°F
7:41 AM
8 AM
58°F
60%
6mph
WSW
60% Chance of Light Rain
Humidity
90%
Feels like
58°F
Dew Point
55°F
9 AM
60°F
70%
6mph
WSW
70% Chance of Light Rain
Humidity
87%
Feels like
60°F
Dew Point
56°F
10 AM
60°F
70%
6mph
WSW
70% Chance of Light Rain
Humidity
84%
Feels like
60°F
Dew Point
56°F
11 AM
60°F
60%
6mph
W
60% Chance of Light Rain
Humidity
82%
Feels like
60°F
Dew Point
55°F
12 PM
59°F
60%
7mph
W
60% Chance of Light Rain
Humidity
81%
Feels like
59°F
Dew Point
53°F
1 PM
58°F
50%
7mph
WNW
50% Chance of Light Rain
Humidity
80%
Feels like
58°F
Dew Point
52°F
2 PM
57°F
50%
7mph
WNW
50% Chance Rain Showers
Humidity
79%
Feels like
57°F
Dew Point
50°F
3 PM
55°F
40%
6mph
WNW
40% Chance Rain Showers
Humidity
78%
Feels like
55°F
Dew Point
49°F
4 PM
53°F
40%
6mph
WNW
40% Chance Rain Showers
Humidity
78%
Feels like
53°F
Dew Point
47°F
5 PM
51°F
30%
6mph
NW
30% Chance Rain Showers
Humidity
79%
Feels like
51°F
Dew Point
45°F
5:00 PM
6 PM
50°F
30%
5mph
NW
30% Chance Rain Showers
Humidity
80%
Feels like
48°F
Dew Point
44°F
7 PM
48°F
30%
5mph
NW
30% Chance Rain Showers
Humidity
82%
Feels like
46°F
Dew Point
43°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

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