TODAY APR11
TEMPERATURE39
HUMIDITY70
PRESSURE30.34
WIND COND.40 5.4
  • 5232Sun
  • 5936Mon
  • 6136Tue
  • 6340Wed
  • 6542Thu
daynightWeather update from Arlington Municipal at

Key findings

  • The highest monthly average temperature in Sisco Heights for August is 63 degrees
  • The lowest monthly average temperature in Sisco Heights for December is 38 degrees
  • The most monthly precipitation in Sisco Heights occurs in November with 4 inches
  • The air quality index in Sisco Heights is 52% better than the national average
  • The pollution index in Sisco Heights is 211% worse than the national average

Compare Sisco Heights, WA Weather

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      Sisco Heights 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
      January33°F46°F39°F3.0"
      February34°F50°F41°F1.7"
      March37°F54°F45°F3.4"
      April40°F59°F48°F2.0"
      May45°F65°F54°F2.4"
      June49°F70°F59°F1.9"
      July52°F77°F63°F1.3"
      August52°F78°F63°F1.4"
      September49°F71°F58°F2.4"
      October43°F60°F50°F3.4"
      November37°F52°F44°F4.0"
      December32°F44°F38°F3.1"

      Sisco Heights 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.
      IndexSisco HeightsWashingtonNational
      Air quality index243650
      Pollution index15,778,9008,596,9895,066,862

      Sisco Heights air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality361
      Days with moderate air quality4
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Sisco Heights air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.270%
      Carbon Tetrachloride0.040%
      Lead0.160%
      Mercury0.003%

      Average monthly Sisco Heights temperature with heat index

      Sisco Heights monthly precipitation with daily maximum

      Sisco Heights monthly snow depth with daily maximum

      Sisco Heights monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Arlington Heights, WA2,7862452%
      Granite Falls, WA3,4582452%
      Langley, WA1,3002452%
      Warm Beach, WA2,5652452%
      Lake Bosworth, WA7582452%
      Sisco Heights, WA2,7252452%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Salunga, PA2,7254510%
      Daniels, WV2,725295490%
      Buckeye Lake, OH2,725468%
      Buckhorn, CA2,7253922%
      Santa Claus, IN2,726688%
      Sisco Heights, WA2,7252452%
      Source: The Sisco Heights, WA 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.