Saint Clair, PA Weather Forecast
Local 7-day forecast
Areas Of Fog then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Clair, PA in one place.
Areas of fog and a slight chance of rain before 9am. Mostly sunny, with a high near 68. Northwest wind around 2 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for 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 5, 2026 1:23 PM EST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Saint Clair, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 1:23 PM EST
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Clair
Friday looks like the warmest upcoming period in Saint Clair at 68 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Monday at about 5 to 12 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 5, 2026 1:23 PM EST
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 45. Northwest wind 0 to 3 mph.
A chance of rain after 7am. Partly sunny, with a high near 55. Northwest wind 3 to 8 mph. Chance of precipitation is 30%.
A chance of rain before 7pm. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Mostly sunny, with a high near 59.
Mostly clear, with a low around 36.
Sunny, with a high near 58.
Mostly clear, with a low around 35.
Mostly sunny, with a high near 63.
Mostly clear, with a low around 35.
Mostly sunny, with a high near 58.
Partly cloudy, with a low around 32.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Areas Of Fog then Mostly Sunny
|
68°F |
2 mph
NW
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
45°F |
0 to 3 mph
NW
|
|
Saturday
Nov 7
|
Chance Light Rain
|
55°F |
3 to 8 mph
NW
|
|
Saturday Night
Nov 7
|
Chance Light Rain then Mostly Cloudy
|
40°F |
8 mph
NW
|
|
Sunday
Nov 8
|
Mostly Sunny
|
59°F |
6 to 9 mph
W
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
36°F |
7 mph
W
|
|
Monday
Nov 9
|
Sunny
|
58°F |
5 to 12 mph
NW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
35°F |
3 mph
NW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
63°F |
2 to 8 mph
W
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
35°F |
5 mph
W
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
58°F |
1 to 6 mph
NW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
32°F |
2 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Clair.