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.
Overnight
36°F
Slight Chance Light Rain
A slight chance of rain. Mostly cloudy, with a low around 36. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
7-day forecast for Knik-Fairview
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 36°F | Slight Chance Light Rain | 15 mph NE | 21% |
| Wednesday | 43°F | Mostly Cloudy | 5 to 15 mph NE | 10% |
| Wednesday Night | 31°F | Slight Chance Light Rain then Mostly Cloudy | 10 mph NE | 24% |
| Thursday | 39°F | Partly Sunny | 5 to 10 mph NE | 2% |
| Thursday Night | 26°F | Partly Cloudy | 10 mph N | 0% |
| Friday | 36°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
Nearby towns & communities
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North Lakes
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South Lakes
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Wasilla
Willow
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.