TODAY DEC14
TEMPERATURE40
HUMIDITY100
PRESSURE29.48
WIND COND.
  • 4031100%70%
  • 3526Sun20%
  • 4133Mon70%90%
  • 3922Tue80%
  • 2818Wed
daynightWeather update from Pittsburgh - Allegheny County Airport at
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Upper St. Clair Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January22°F38°F30°F3.2"
February23°F39°F30°F2.2"
March32°F52°F41°F3.4"
April43°F65°F53°F3.4"
May52°F74°F62°F4.2"
June60°F81°F70°F5.1"
July64°F84°F73°F5.1"
August63°F82°F72°F4.1"
September56°F77°F66°F3.1"
October46°F65°F54°F3.8"
November35°F54°F44°F2.8"
December28°F43°F35°F3.7"

Did you know?

  • The highest monthly average temperature in Upper St. Clair for July is 73 degrees.
  • The lowest monthly average temperature in Upper St. Clair for January is 30 degrees.
  • The most monthly precipitation in Upper St. Clair occurs in July with 5.1 inches.
  • The air quality index in Upper St. Clair is 13% worse than the national average.
  • The pollution index in Upper St. Clair is 50% better than the national average.

Compare Upper St. Clair, PA Weather To Other Cities

Upper St. Clair air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexUpper St. ClairPennsylvaniaNational
Air quality index564550
Pollution index2,548,0304,327,9925,066,862

Upper St. Clair air quality information

MeasurementTotal
Days measured365
Days with good air quality123
Days with moderate air quality224
Days w/ poor A.Q. for sensitive groups17
Days with unhealthy air quality1

Upper St. Clair air quality information

PollutantTotal
Arsenic0.220%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.050%
Mercury0.020%

Average monthly Upper St. Clair temperature with heat index

Upper St. Clair monthly precipitation with daily maximum

Upper St. Clair monthly snow depth with daily maximum

Upper St. Clair monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bulger, PA307476%
Joffre, PA650476%
Westland, PA99476%
Wolfdale, PA3,098476%
Clinton, PA589476%
Upper St. Clair, PA19,5215612%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Papillion, NE19,520484%
Langley Park, MD19,517492%
Bryant, AR19,529476%
McKeesport, PA19,5295612%
Castaic, CA19,5297448%
Upper St. Clair, PA19,5215612%
Source: The Upper St. Clair, PA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.
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