Knik River, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Knik River, a community in Anchorage Municipality County, Alaska.
Tonight
25°F
Chance Light Snow
A chance of snow. Mostly cloudy. Low around 25, with temperatures rising to around 30 overnight. Southeast wind 15 to 25 mph. Chance of precipitation is 50%.
7-day forecast for Knik River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 25°F | Chance Light Snow | 15 to 25 mph SE | 48% |
| Wednesday | 30°F | Chance Light Snow then Scattered Snow Showers | 15 to 30 mph SE | 40% |
| Wednesday Night | 20°F | Scattered Snow Showers then Slight Chance Light Snow | 10 to 15 mph SE | 42% |
| Thursday | 27°F | Partly Sunny | 5 to 10 mph E | 8% |
| Thursday Night | 19°F | Partly Cloudy | 5 mph E | 1% |
| Friday | 27°F | Partly Sunny then Slight Chance Light Snow | 5 mph E | 18% |
| Friday Night | 18°F | Slight Chance Light Snow | 5 to 10 mph E | 18% |
| Saturday | 25°F | Partly Sunny | 0 to 10 mph E | 14% |
| Saturday Night | 16°F | Mostly Cloudy | 0 to 5 mph E | 10% |
| Sunday | 24°F | Slight Chance Light Snow | 5 mph E | 15% |
| Sunday Night | 17°F | Slight Chance Light Snow | 5 to 10 mph E | 20% |
| Monday | 24°F | Slight Chance Light Snow | 5 to 10 mph E | 20% |
| Monday Night | 15°F | Mostly Cloudy | 5 to 10 mph E | 14% |
| Tuesday | 22°F | Slight Chance Light Snow | 0 to 10 mph E | 16% |
Forecast source: National Weather Service (api.weather.gov) for Knik River (61.462, -149.007). Updated through the day.
Growing snapshot for Knik River
Last spring frost
May 16
First fall frost
Sep 20
Growing season
125 days
More local growing data for Knik River: nearby ZIP 99567 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Eagle Rvr Nature Ctr, Ak (9.4 mi from Knik River). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.