TODAY SEP19
TEMPERATURE70
HUMIDITY93
PRESSURE29.94
WIND COND.
  • 8164Wed
  • 8569Thu
  • 8660Fri20%60%
  • 7057Sat
  • 7158Sun40%
daynightWeather update from Pittsburgh - Allegheny County Airport at
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Herrs Island 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 Herrs Island for July is 73 degrees.
  • The lowest monthly average temperature in Herrs Island for January is 30 degrees.
  • The most monthly precipitation in Herrs Island occurs in July with 5.1 inches.
  • The air quality index in Herrs Island is 12% worse than the national average.
  • The pollution index in Herrs Island is 81% better than the national average.

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Herrs Island 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.
IndexHerrs IslandPittsburghPennsylvania
Air quality index565645
Pollution index960,213960,2134,327,992

Herrs Island 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

Herrs Island air quality information

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

Average monthly Herrs Island temperature with heat index

Herrs Island monthly precipitation with daily maximum

Herrs Island monthly snow depth with daily maximum

Herrs Island monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Aliquippa, PA9,258688%
Conway, PA2,151688%
Baden, PA4,061688%
Plum, PA27,4745612%
Rosslyn Farms, PA4655612%
Pittsburgh, PA305,3055612%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Stockton, CA301,4435714%
Anchorage, AK299,3212942%
Lexington-Fayette, KY311,5294216%
Cincinnati, OH298,011548%
St. Paul, MN297,1604412%
Pittsburgh, PA305,3055612%
Source: The Herrs Island, 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.