Butte, AK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Butte, a community in Matanuska-Susitna Borough County, Alaska.
Today
42°F
Mostly Cloudy then Slight Chance Rain And Snow
A slight chance of rain and snow after 3pm. Mostly cloudy, with a high near 42. East wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Butte
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 42°F | Mostly Cloudy then Slight Chance Rain And Snow | 5 to 10 mph E | 23% |
| Tonight | 34°F | Chance Light Snow | 5 mph E | 33% |
| Wednesday | 45°F | Chance Rain And Snow Showers | 5 to 10 mph E | 38% |
| Wednesday Night | 30°F | Chance Snow Showers | 5 to 10 mph NE | 29% |
| Thursday | 40°F | Slight Chance Rain And Snow Showers then Partly Sunny | 5 mph NE | 15% |
| Thursday Night | 26°F | Mostly Cloudy | 5 to 10 mph E | 8% |
| Friday | 38°F | Slight Chance Light Rain | 5 to 10 mph E | 16% |
| Friday Night | 27°F | Mostly Cloudy | 5 mph E | 12% |
| Saturday | 37°F | Partly Sunny | 5 mph E | 9% |
| Saturday Night | 25°F | Mostly Cloudy | 5 mph E | 5% |
| Sunday | 36°F | Partly Sunny | 5 mph E | 10% |
| Sunday Night | 24°F | Mostly Cloudy | 5 mph E | 12% |
| Monday | 34°F | Mostly Cloudy | 5 to 10 mph E | 14% |
| Monday Night | 24°F | Mostly Cloudy | 5 to 10 mph E | 11% |
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
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Chickaloon
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Lazy Mountain
Meadow Lakes
North Lakes
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Point MacKenzie
South Lakes
Susitna
Susitna North
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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 Nov 3, 2026.