TODAY DEC22
TEMPERATURE14
HUMIDITY73
PRESSURE103010
WIND COND.310 5.4
  • 3229Mon
  • 4228Tue40%
  • 3929
  • 4031Thu
  • 4335Fri30%
daynightWeather update from Lancaster, Lancaster Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Washington Boro for July is 75.4 degrees
  • The lowest monthly average temperature in Washington Boro for January is 30.8 degrees
  • The most monthly precipitation in Washington Boro occurs in June with 5.4 inches
  • The air quality index in Washington Boro is 7% worse than the national average
  • The pollution index in Washington Boro is 307% worse than the national average

Compare Washington Boro, PA Weather

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      Washington Boro 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°F40°F31°F2.4"
      February22°F41°F31°F2.2"
      March31°F52°F41°F2.8"
      April41°F65°F52°F3.6"
      May51°F74°F62°F3.7"
      June61°F82°F72°F5.4"
      July65°F86°F75°F4.6"
      August62°F84°F73°F3.4"
      September56°F78°F67°F4.7"
      October45°F66°F55°F4.5"
      November35°F54°F44°F2.3"
      December28°F45°F36°F3.3"

      Washington Boro 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.
      IndexWashington BoroPennsylvaniaNational
      Air quality index454542
      Pollution index11,091,2004,584,8052,726,193

      Washington Boro air quality

      MeasurementTotal
      Days measured365
      Days with good air quality238
      Days with moderate air quality117
      Days w/ poor A.Q. for sensitive groups9
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.140%
      Carbon Tetrachloride0.030%
      Lead0.310%
      Mercury0.004%

      Average monthly Washington Boro temperature with heat index

      Washington Boro monthly precipitation with daily maximum

      Washington Boro monthly snow depth with daily maximum

      Washington Boro monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Loganville, PA1,3114118.0%
      Grantley, PA4,3204118.0%
      Spry, PA4,9144118.0%
      Yoe, PA9804118.0%
      East York, PA8,9844118.0%
      Washington Boro, PA8814510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lewisville, AR8813922.0%
      Lompico, CA8813530.0%
      Papaikou, HI8811668.0%
      Coulterville, IL8814314.0%
      Foristell, MO881548.0%
      Washington Boro, PA8814510.0%
      Source: The Washington Boro, 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.