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Weather in Port Alsworth, AK · National Weather Service + NOAA

Port Alsworth stays cool in summer

Port Alsworth has cold, snowy winters and cool summers, with very little rain. A typical July afternoon reaches 69°, a January night drops to 10°, and about 88 inches of snow falls in a normal winter. In November, a normal day reaches 32° and a normal night drops to 21°.

Winter 27°/13°Spring 47°/28°Summer 67°/49°Fall 45°/32°
Right now
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Sunrise 12:51 pm · sunset 9:10 pm

Getting the latest forecast from the National Weather Service…

What stands out about Port Alsworth’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Cool summersJuly afternoons average 69°, cooler than 99% of U.S. towns.Snow countryAbout 88 inches a winter, more than 96% of U.S. towns.A dry climateJust 13 inches of rain and melted snow a year, less than 96% of U.S. towns.Snow that staysSnow covers the ground about 112 days a year.
A normal year

Where today sits in Port Alsworth’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
27° / 13°
32 days with an inch or more of snow
Spring
47° / 28°
Last frost around May 12
Summer
67° / 49°
90° days are rare
Fall now
45° / 32°
First frost around Sep 24
Pastthe usual first frost (Sep 24). Last frost next spring: May 12
Best months to be outside
JunJulAug
Highs of 62–84° and lows of 40° or more
How much snow does Port Alsworth get?About 88 inches a winter.When is it wettest?September, with 2.6 inches.What is each month like?Highs, lows, rain and snow for all 12.

Weather talk

Road reports, first frosts and storm memories from neighbors in Port Alsworth.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020. Temperatures and rainfall come from the nearest weather station. Snow, frost dates and day counts: the NOAA station at Port Alsworth, AK (3 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.