TODAY SEP21
TEMPERATURE49
HUMIDITY63
PRESSURE30.53
WIND COND.140 7.6
  • 7048Tue
  • 7755Wed
  • 7756Thu
  • 7858Fri
  • 7962Sat
daynightWeather update from Pittsburgh - Allegheny County Airport at

Key findings

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

Compare Pittsburgh, PA Weather

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      Brookline 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"

      Brookline 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.
      IndexBrooklinePittsburghPennsylvania
      Air quality index565645
      Pollution index2,548,030960,2134,327,992

      Brookline air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality129
      Days with moderate air quality220
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality4

      Brookline air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.001%
      Mercury0.000%

      Average monthly Brookline temperature with heat index

      Brookline monthly precipitation with daily maximum

      Brookline monthly snow depth with daily maximum

      Brookline monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Clinton, PA589468%
      Westland, PA99468%
      White Oak, PA7,8035612%
      Ambridge, PA6,8915612%
      Avalon, PA4,6665612%
      Pittsburgh, PA305,3055612%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Stockton, CA301,4434510%
      Anchorage, AK299,3213138%
      Lexington-Fayette, KY311,5294216%
      Cincinnati, OH298,011548%
      St. Paul, MN297,160468%
      Pittsburgh, PA305,3055612%
      Source: The Brookline, Pittsburgh, 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.