TODAY OCT31
TEMPERATURE29
HUMIDITY92
PRESSURE100070
WIND COND.360 11.2
  • 3831Fri40%
  • 4031Sat
  • 3928Sun30%
  • 3826Mon
  • 3829Tue
daynightWeather update from Anchorage, Merrill Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Anchorage for July is 60.2 degrees
  • The lowest monthly average temperature in Anchorage for January is 16.4 degrees
  • The most monthly precipitation in Anchorage occurs in September with 3.5 inches
  • The air quality index in Anchorage is 26% better than the national average
  • The pollution index in Anchorage is 162% worse than the national average

Compare Anchorage, AK Weather

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      Anchorage 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
      January9°F24°F16°F0.5"
      February12°F29°F21°F0.5"
      March15°F35°F25°F0.6"
      April30°F48°F39°F0.4"
      May41°F60°F50°F0.5"
      June49°F66°F57°F1.1"
      July54°F69°F60°F1.9"
      August51°F66°F58°F2.9"
      September43°F58°F50°F3.5"
      October31°F45°F37°F1.5"
      November14°F29°F22°F0.6"
      December11°F26°F19°F0.8"

      Anchorage 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.
      IndexAnchorageAlaskaNational
      Air quality index313042
      Pollution index7,145,44011,243,1942,726,193

      Anchorage air quality

      MeasurementTotal
      Days measured365
      Days with good air quality262
      Days with moderate air quality92
      Days w/ poor A.Q. for sensitive groups7
      Days with unhealthy air quality4

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.130%
      Carbon Tetrachloride0.020%
      Lead0.140%
      Mercury0.001%

      Average monthly Anchorage temperature with heat index

      Anchorage monthly precipitation with daily maximum

      Anchorage monthly snow depth with daily maximum

      Anchorage monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Point MacKenzie, AK1,3233138.0%
      Anchorage, AK292,0903138.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Gatineau, QC293,695n/a 
      Greensboro, NC294,3954314.0%
      Plano, TX288,870512.0%
      Lincoln, NE286,3883138.0%
      Orlando, FL284,8173922.0%
      Anchorage, AK292,0903138.0%
      Source: The Anchorage, AK 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.