Willow, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Willow, a community in Matanuska-Susitna Borough County, Alaska.
Overnight
37°F
Rain Showers
Rain showers. Cloudy, with a low around 37. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
7-day forecast for Willow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Rain Showers | 5 to 10 mph SW | 82% |
| Saturday | 45°F | Light Rain then Rain Showers | 5 to 10 mph S | 82% |
| Saturday Night | 36°F | Rain Showers then Chance Light Rain | 0 to 5 mph N | 76% |
| Sunday | 45°F | Chance Light Rain then Chance Rain Showers | 0 to 5 mph NE | 37% |
| Sunday Night | 33°F | Rain Showers | 0 to 5 mph W | 79% |
| Monday | 41°F | Snow Showers | 0 to 5 mph S | 79% |
| Monday Night | 31°F | Chance Rain Showers then Mostly Cloudy | 5 mph SE | 33% |
| Tuesday | 42°F | Partly Sunny | 5 mph N | 8% |
| Tuesday Night | 30°F | Partly Cloudy | 5 mph NE | 9% |
| Wednesday | 42°F | Mostly Sunny | 5 mph SW | 11% |
| Wednesday Night | 30°F | Mostly Cloudy | 5 to 10 mph S | 11% |
| Thursday | 43°F | Mostly Cloudy | 5 to 10 mph SE | 14% |
| Thursday Night | 32°F | Chance Rain And Snow Showers | 5 to 10 mph SE | 31% |
| Friday | 44°F | Chance Rain And Snow Showers | 5 to 10 mph SE | 31% |
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
Nearby towns & communities
Big Lake
Buffalo Soapstone
Butte
Chase
Chickaloon
Farm Loop
Fishhook
Gateway
Glacier View
Houston
Knik-Fairview
Lazy Mountain
Meadow Lakes
North Lakes
Palmer
Petersville
Point MacKenzie
South Lakes
Susitna
Susitna North
Sutton-Alpine
Talkeetna
Tanaina
Trapper Creek
Wasilla
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 Sep 19, 2026.