UPPER ST CLAIR, PA 15241 Weather Forecast & Current Conditions
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  15241 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

ALLEGHENY CO. ARPT, PA
Current Weather
11:53 PM EDT JUL 15, 2025
Clear
77°F
Feels Like: 79°F
Dewpoint: 70°F
Rel. Hum.: 79%
Visibility: 9 miles
Wind: SE at 5 mph
Pressure: 30.05 inches
Last 72 hours

Local Area Snow Depth

Pennsylvania Current Weather

Pennsylvania MOS Forecast Weather


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(Automated weather data from NWS/FAA)
  15241 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

UPPER ST CLAIR, PA 15241
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Mostly cloudy. Patchy fog. Lows in the lower 70s. Southeast winds around 5 mph.
WEDNESDAY
Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs in the mid 80s. South winds around 5 mph. Chance of rain 80 percent.
WEDNESDAY NIGHT
Showers and thunderstorms likely, mainly in the evening. Humid with lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 70 percent.
THURSDAY
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent. Heat index values in the upper 90s in the afternoon.
THURSDAY NIGHT
Showers with thunderstorms likely in the evening, then showers likely after midnight. Humid with lows in the upper 60s. West winds 5 to 10 mph. Chance of rain 80 percent.
FRIDAY
Considerable cloudiness in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 50 percent.
FRIDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Patchy fog after midnight. Lows in the mid 60s. Chance of rain 50 percent.
SATURDAY
Partly sunny. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent.
SUNDAY
Showers likely. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.
SUNDAY NIGHT
A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent.
MONDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.
MONDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 40 percent.

  15241 WEATHER SATELLITE LOOPS
Visible Weather Satellite
UPPER ST CLAIR, PA 15241
Infrared Weather Satellite
UPPER ST CLAIR, PA 15241
  15241 WEATHER RADAR LOOP
NEXRAD Weather Radar
UPPER ST CLAIR, PA 15241
 MOS COMPUTER WEATHER FORECAST

ALLEGHENY CO. ARPT, PA 3 hourly weather forecast
weather forecast created  7:00 AM CDT  7/15/2025
Tuesday
15 JUL 2025		 UPPER ST CLAIR, PA 15241 weather forecast Day 1, 12 hours 2 PM 85° 89° Mostly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 27% severe)		 SE   1 59% 69°
High 87° UPPER ST CLAIR, PA 15241 weather forecast Day 1, 15 hours 5 PM 86° 89° Mostly Cloudy ESE   3 55% 68°
Mostly Cloudy



 UPPER ST CLAIR, PA 15241 weather forecast Day 1, 18 hours 8 PM 82° 85° Mostly Cloudy 2%

 0% Thunder
( 11% severe)		 E   3 65% 69°
UPPER ST CLAIR, PA 15241 weather forecast Day 1, 21 hours 11 PM 78° 80° Mostly Cloudy SE   3 74% 69°
Wednesday
16 JUL 2025		 UPPER ST CLAIR, PA 15241 weather forecast Day 2, 0 hours 2 AM 74° 74° Partly Cloudy 4%

 0% Thunder
( 4% severe)		 SE   3 84% 69°
Low 72° UPPER ST CLAIR, PA 15241 weather forecast Day 2, 3 hours 5 AM 73° 73° Mostly Cloudy SSE   5 87% 69°
High 84° UPPER ST CLAIR, PA 15241 weather forecast Day 2, 6 hours 8 AM 74° 74° Mostly Cloudy 47%
RAIN
***		 0% Thunder
( 32% severe)		 S   5 87% 70°

Mostly Cloudy

Rain Likely

 UPPER ST CLAIR, PA 15241 weather forecast Day 2, 9 hours 11 AM 78° 80° Mostly Cloudy SSW   6 79% 71°
UPPER ST CLAIR, PA 15241 weather forecast Day 2, 12 hours 2 PM 80° 84° Mostly Cloudy 76%
RAIN
***		 0% Thunder
( 62% severe)		 S   7 77% 72°
UPPER ST CLAIR, PA 15241 weather forecast Day 2, 15 hours 5 PM 79° 82° Mostly Cloudy SW   7 79% 72°
UPPER ST CLAIR, PA 15241 weather forecast Day 2, 18 hours 8 PM 76° 77° Mostly Cloudy 47%
RAIN
***		 0% Thunder
( 47% severe)		 S   6 85% 71°
UPPER ST CLAIR, PA 15241 weather forecast Day 2, 21 hours 11 PM 75° 75° Mostly Cloudy SSW   7 87% 71°
Thursday
17 JUL 2025		 UPPER ST CLAIR, PA 15241 weather forecast Day 3, 0 hours 2 AM 73° 73° Mostly Cloudy 24%
RAIN
.5–1 in		 0% Thunder
( 22% severe)		 SSW   7 90% 70°
Low 71° UPPER ST CLAIR, PA 15241 weather forecast Day 3, 3 hours 5 AM 72° 72° Mostly Cloudy SW   8 93% 70°
High 85° UPPER ST CLAIR, PA 15241 weather forecast Day 3, 6 hours 8 AM 73° 73° Mostly Cloudy 27%
RAIN
.01–.1 in		 0% Thunder
( 27% severe)		 SW   9 93% 71°

Mostly Cloudy

Rain Likely

 UPPER ST CLAIR, PA 15241 weather forecast Day 3, 9 hours 11 AM 78° 80° Mostly Cloudy WSW   10 82% 72°
UPPER ST CLAIR, PA 15241 weather forecast Day 3, 15 hours 2 PM 81° 86° Mostly Cloudy 68%
RAIN
***		 0% Thunder
( 62% severe)		 WSW   12 77% 73°
UPPER ST CLAIR, PA 15241 weather forecast Day 3, 18 hours 5 PM 81° 85° Mostly Cloudy WSW   10 74% 72°
UPPER ST CLAIR, PA 15241 weather forecast Day 3, 21 hours 8 PM 77° 79° Mostly Cloudy     W   7 82% 71°

ALLEGHENY CO. ARPT, PA extended weather forecast
Friday
18 JUL 2025		 Saturday
19 JUL 2025		 Sunday
20 JUL 2025		 Monday
21 JUL 2025		 Tuesday
22 JUL 2025
Low 67° Low 64° Low 67° Low 68° Low 67°
High 80° High 84° High 83° High 85° High 85°
UPPER ST CLAIR, PA 15241 weather forecast Day 4 UPPER ST CLAIR, PA 15241 weather forecast Day 5 UPPER ST CLAIR, PA 15241 weather forecast Day 6 UPPER ST CLAIR, PA 15241 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
72% Rain		 Partly Cloudy
29% Rain		 Overcast
64% Rain		 Overcast
57% Rain		 Overcast
62% Rain
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