Harman US

Circle, AK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Circle, a community in Yukon-Koyukuk Census Area County, Alaska.

Today
54°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 54. Southwest wind 0 to 5 mph. Chance of precipitation is 30%.

7-day forecast for Circle

WhenTempForecastWindPrecip
Today 54°F Chance Rain Showers 0 to 5 mph SW 30%
Tonight 35°F Slight Chance Rain Showers then Mostly Cloudy 0 to 5 mph SW 17%
Sunday 48°F Chance Rain Showers 0 to 5 mph N 34%
Sunday Night 33°F Chance Rain Showers 0 to 5 mph NW 40%
Monday 47°F Rain Showers Likely 0 mph 56%
Monday Night 36°F Rain Showers Likely 0 mph 63%
Tuesday 45°F Chance Rain Showers then Mostly Cloudy 0 to 5 mph SW 34%
Tuesday Night 25°F Mostly Cloudy 0 to 5 mph SW 3%
Wednesday 44°F Partly Sunny 0 to 5 mph SW 3%
Wednesday Night 24°F Partly Cloudy 0 mph 2%
Thursday 48°F Mostly Sunny 0 to 5 mph SE 2%
Thursday Night 27°F Partly Cloudy 5 mph SE 8%
Friday 51°F Partly Sunny 5 mph SE 8%
Friday Night 29°F Mostly Cloudy 5 mph S 14%

Forecast source: National Weather Service (api.weather.gov) for Circle (65.839, -144.175). Updated through the day.

Growing snapshot for Circle

Last spring frost
May 25
First fall frost
Aug 26
Growing season
92 days

More local growing data for Circle: nearby ZIP 99733 weather · frost dates · planting calendar · Alaska frost dates

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Climate data from the nearest NOAA station, Central #2, Ak (22.4 mi from Circle). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.