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Petersville, AK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Petersville, a community in Matanuska-Susitna Borough County, Alaska.

Overnight
28°F
Slight Chance Light Snow
A slight chance of snow after 3am. Mostly cloudy, with a low around 28. Northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

7-day forecast for Petersville

WhenTempForecastWindPrecip
Overnight 28°F Slight Chance Light Snow 15 to 20 mph NE 17%
Wednesday 32°F Light Snow Likely then Mostly Cloudy 10 to 15 mph NE 68%
Wednesday Night 24°F Chance Light Snow then Mostly Cloudy 10 to 15 mph NE 26%
Thursday 29°F Partly Sunny 5 to 10 mph NE 3%
Thursday Night 24°F Mostly Clear 5 to 10 mph N 0%
Friday 25°F Mostly Sunny 5 to 10 mph N 0%
Friday Night 20°F Partly Cloudy 5 mph N 7%
Saturday 24°F Slight Chance Light Snow 5 mph N 22%
Saturday Night 18°F Mostly Cloudy 5 mph N 5%
Sunday 21°F Partly Sunny 5 mph N 8%
Sunday Night 16°F Mostly Cloudy 5 to 10 mph N 8%
Monday 24°F Mostly Cloudy 10 mph N 11%
Monday Night 20°F Mostly Cloudy 10 mph N 7%
Tuesday 25°F Partly Sunny 5 to 10 mph N 12%

Forecast source: National Weather Service (api.weather.gov) for Petersville (62.453, -150.884). Updated through the day.

Growing snapshot for Petersville

Last spring frost
May 16
First fall frost
Sep 16
Growing season
122 days

More local growing data for Petersville: nearby ZIP 99683 weather · frost dates · planting calendar · Alaska frost dates

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Climate data from the nearest NOAA station, Talkeetna Ap, Ak (12 mi from Petersville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.