TODAY AUG20
TEMPERATURE54
HUMIDITY88
PRESSURE30.11
WIND COND.
  • 6349Mon40%60%
  • 6249Tue70%60%
  • 6348Wed50%30%
  • 6246Thu
  • 6145Fri
daynightWeather update from Port Alsworth, Port Alsworth Airport at

Port Alsworth Average Weather

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
January10°F25°F17°F0.8"
February14°F30°F22°F0.7"
March11°F30°F20°F0.8"
April25°F42°F34°F0.7"
May35°F55°F45°F1.2"
June43°F62°F52°F1.7"
July48°F64°F55°F3.5"
August48°F63°F55°F4.6"
September42°F56°F48°F5.6"
October31°F45°F38°F2.8"
November16°F31°F24°F1.8"
December15°F29°F22°F1.4"

Did you know?

  • The highest monthly average temperature in Port Alsworth for July is 55 degrees.
  • The lowest monthly average temperature in Port Alsworth for January is 17 degrees.
  • The most monthly precipitation in Port Alsworth occurs in September with 5.6 inches.
  • The air quality index in Port Alsworth is 41% better than the national average.
  • The pollution index in Port Alsworth is 57% better than the national average.

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Compare Port Alsworth, AK Weather To Other Cities

Port Alsworth 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.
IndexPort AlsworthAlaskaNational
Air quality index293050
Pollution index2,169,57011,990,2865,066,862

Port Alsworth air quality information

MeasurementTotal
Days measured365
Days with good air quality284
Days with moderate air quality76
Days w/ poor A.Q. for sensitive groups4
Days with unhealthy air quality1

Port Alsworth air quality information

PollutantTotal
Arsenic0.002%
Benzene0.040%
Carbon Tetrachloride0.002%
Lead0.020%
Mercury0.000%

Average monthly Port Alsworth temperature with heat index

Port Alsworth monthly precipitation with daily maximum

Port Alsworth monthly snow depth with daily maximum

Port Alsworth monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Port Alsworth, AK1562942%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Girard, GA1564216%
Harrells, NC1563922%
Randsburg, CA1567958%
Winthrop, AR1563824%
Bushnell, NE1562060%
Port Alsworth, AK1562942%
Source: The Port Alsworth, 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.