Harman US

Wasilla, AK Weather & Growing Conditions

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

Overnight
42°F
Rain Showers
Rain showers before 4am, then rain showers likely and patchy fog. Cloudy, with a low around 42. South wind 0 to 5 mph. Chance of precipitation is 80%.

7-day forecast for Wasilla

WhenTempForecastWindPrecip
Overnight 42°F Rain Showers 0 to 5 mph S 75%
Saturday 54°F Rain Showers Likely 0 to 5 mph NE 70%
Saturday Night 42°F Chance Rain Showers then Cloudy 0 mph 53%
Sunday 56°F Chance Rain Showers 0 to 5 mph SW 25%
Sunday Night 40°F Rain Showers Likely 0 to 5 mph S 67%
Monday 52°F Rain Showers Likely 0 to 5 mph SE 67%
Monday Night 35°F Mostly Cloudy 5 mph E 22%
Tuesday 54°F Partly Sunny 0 to 5 mph N 4%
Tuesday Night 36°F Mostly Cloudy 0 to 5 mph N 3%
Wednesday 53°F Partly Sunny 0 mph 0%
Wednesday Night 36°F Mostly Cloudy 0 to 5 mph S 4%
Thursday 56°F Partly Sunny then Slight Chance Rain Showers 5 to 10 mph E 15%
Thursday Night 39°F Chance Rain Showers 10 to 15 mph E 41%
Friday 55°F Chance Rain Showers 10 to 15 mph E 41%

Forecast source: National Weather Service (api.weather.gov) for Wasilla (61.581, -149.461). Updated through the day.

Growing snapshot for Wasilla

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

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

Nearby towns & communities

All Alaska locations ›

Climate data from the nearest NOAA station, Anderson Lake, Ak (3 mi from Wasilla). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.