Butte, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Butte, a community in Matanuska-Susitna Borough County, Alaska.
Tonight
42°F
Light Rain
Rain. Cloudy, with a low around 42. Southwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
7-day forecast for Butte
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Light Rain | 5 to 20 mph SW | 100% |
| Saturday | 54°F | Light Rain then Chance Rain Showers | 5 to 20 mph SE | 95% |
| Saturday Night | 40°F | Chance Rain Showers then Chance Light Rain | 0 to 10 mph SE | 38% |
| Sunday | 54°F | Chance Light Rain then Chance Rain Showers | 0 to 10 mph SE | 31% |
| Sunday Night | 35°F | Rain Showers Likely | 0 mph | 61% |
| Monday | 55°F | Rain Showers Likely | 0 to 5 mph SE | 61% |
| Monday Night | 33°F | Mostly Cloudy | 5 mph SE | 13% |
| Tuesday | 56°F | Partly Sunny | 5 mph NE | 4% |
| Tuesday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 7% |
| Wednesday | 56°F | Mostly Sunny | 0 to 5 mph S | 8% |
| Wednesday Night | 33°F | Mostly Cloudy | 5 to 10 mph S | 9% |
| Thursday | 56°F | Slight Chance Rain Showers | 10 to 15 mph SE | 15% |
| Thursday Night | 34°F | Chance Rain Showers | 10 to 15 mph SE | 28% |
| Friday | 57°F | Chance Rain Showers | 10 to 15 mph SE | 28% |
Forecast source: National Weather Service (api.weather.gov) for Butte (61.534, -148.988). Updated through the day.
Growing snapshot for Butte
Last spring frost
May 22
First fall frost
Sep 16
Growing season
114 days
More local growing data for Butte: nearby ZIP 99645 weather · frost dates · planting calendar · Alaska frost dates
Nearby towns & communities
Big Lake
Buffalo Soapstone
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
Willow
Climate data from the nearest NOAA station, Lazy Mtn, Ak (1.8 mi from Butte). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.