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Knik-Fairview, AK Weather & Growing Conditions

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

Tonight
33°F
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 3am. Mostly cloudy, with a low around 33. Northeast wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.

7-day forecast for Knik-Fairview

WhenTempForecastWindPrecip
Tonight 33°F Mostly Cloudy then Slight Chance Light Rain 15 to 25 mph NE 23%
Wednesday 43°F Mostly Cloudy 5 to 15 mph NE 10%
Wednesday Night 30°F Chance Light Rain then Mostly Cloudy 10 mph NE 28%
Thursday 39°F Partly Sunny 5 to 10 mph NE 1%
Thursday Night 27°F Partly Cloudy 10 mph N 0%
Friday 35°F Partly Sunny 5 to 10 mph N 1%
Friday Night 26°F Mostly Cloudy 0 to 10 mph NE 14%
Saturday 34°F Mostly Cloudy 0 mph 14%
Saturday Night 23°F Mostly Cloudy 0 mph 2%
Sunday 32°F Mostly Cloudy 0 mph 2%
Sunday Night 23°F Mostly Cloudy 0 to 5 mph NE 4%
Monday 34°F Mostly Cloudy 5 mph N 9%
Monday Night 25°F Mostly Cloudy 5 mph NE 11%
Tuesday 35°F Partly Sunny 0 to 5 mph NE 11%

Forecast source: National Weather Service (api.weather.gov) for Knik-Fairview (61.508, -149.623). Updated through the day.

Growing snapshot for Knik-Fairview

Last spring frost
May 16
First fall frost
Sep 23
Growing season
128 days

More local growing data for Knik-Fairview: nearby ZIP 99654 weather · frost dates · planting calendar · Alaska frost dates

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Climate data from the nearest NOAA station, Anderson Lake, Ak (3 mi from Knik-Fairview). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.