Upper Saint Clair, PA Weather Forecast
Local 7-day forecast
Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Upper Saint Clair, PA in one place.
Rain. Mostly cloudy, with a high near 51. Northwest wind 5 to 15 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Upper Saint Clair, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 11, 2026 11:43 AM EST.
The active forecast window currently covers Nov 12 to Nov 17, 2026 for Upper Saint Clair, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 12 to Nov 17, 2026
- Latest sync
- Nov 11, 2026 11:43 AM EST
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Upper Saint Clair
Thursday looks like the warmest upcoming period in Upper Saint Clair at 51 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Saturday at about 9 to 16 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 11, 2026 11:43 AM EST
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 34. Northwest wind 9 to 14 mph. Chance of precipitation is 60%.
A slight chance of snow before 10am, then a chance of rain between 10am and 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 44. Northwest wind 9 to 14 mph. Chance of precipitation is 30%.
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
A slight chance of snow before 7am, then a chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
A chance of rain before 7pm. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Partly sunny, with a high near 47.
Mostly cloudy, with a low around 32.
Partly sunny, with a high near 48.
Mostly cloudy, with a low around 30.
Mostly sunny, with a high near 50.
Mostly clear, with a low around 28.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Light Rain
|
51°F |
5 to 15 mph
NW
|
|
Thursday Night
Nov 12
|
Light Rain Likely then Slight Chance Light Snow
|
34°F |
9 to 14 mph
NW
|
|
Friday
Nov 13
|
Chance Rain And Snow
|
44°F |
9 to 14 mph
NW
|
|
Friday Night
Nov 13
|
Chance Rain And Snow
|
31°F |
6 to 10 mph
NW
|
|
Saturday
Nov 14
|
Chance Rain And Snow
|
44°F |
9 to 16 mph
NW
|
|
Saturday Night
Nov 14
|
Chance Light Rain then Mostly Cloudy
|
32°F |
7 to 12 mph
W
|
|
Sunday
Nov 15
|
Partly Sunny
|
47°F |
7 to 10 mph
W
|
|
Sunday Night
Nov 15
|
Mostly Cloudy
|
32°F |
1 to 6 mph
NW
|
|
Monday
Nov 16
|
Partly Sunny
|
48°F |
1 to 6 mph
NW
|
|
Monday Night
Nov 16
|
Mostly Cloudy
|
30°F |
0 to 3 mph
N
|
|
Tuesday
Nov 17
|
Mostly Sunny
|
50°F |
0 to 3 mph
N
|
|
Tuesday Night
Nov 17
|
Mostly Clear
|
28°F |
2 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Upper Saint Clair.
