Willow, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Willow, a community in Matanuska-Susitna Borough County, Alaska.
This Afternoon
33°F
Mostly Cloudy
Mostly cloudy, with a high near 33. Northeast wind around 5 mph.
7-day forecast for Willow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 33°F | Mostly Cloudy | 5 mph NE | 2% |
| Tonight | 29°F | Mostly Cloudy then Chance Light Snow | 5 mph E | 25% |
| Wednesday | 35°F | Chance Snow Showers | 5 mph E | 35% |
| Wednesday Night | 26°F | Slight Chance Snow Showers then Mostly Cloudy | 5 mph E | 16% |
| Thursday | 31°F | Partly Sunny | 5 mph NE | 9% |
| Thursday Night | 23°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Friday | 30°F | Partly Sunny | 5 to 10 mph E | 4% |
| Friday Night | 23°F | Mostly Cloudy | 5 mph E | 8% |
| Saturday | 28°F | Partly Sunny | 5 mph E | 3% |
| Saturday Night | 21°F | Mostly Cloudy | 5 mph E | 6% |
| Sunday | 27°F | Partly Sunny | 5 mph E | 7% |
| Sunday Night | 20°F | Mostly Cloudy | 5 mph E | 6% |
| Monday | 26°F | Partly Sunny | 5 mph E | 5% |
| Monday Night | 20°F | Mostly Cloudy | 5 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov) for Willow (61.887, -149.620). Updated through the day.
Growing snapshot for Willow
Last spring frost
May 15
First fall frost
Sep 18
Growing season
126 days
More local growing data for Willow: nearby ZIP 99688 weather · frost dates · planting calendar · Alaska frost dates
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Climate data from the nearest NOAA station, Willow West, Ak (17.1 mi from Willow). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.