Bigfork, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bigfork, a community in Flathead County, Montana.
Today
72°F
Sunny
Sunny, with a high near 72. West wind around 2 mph.
7-day forecast for Bigfork
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 2 mph W | 1% |
| Tonight | 50°F | Mostly Clear | 3 mph SSE | 1% |
| Sunday | 72°F | Sunny | 2 mph S | 0% |
| Sunday Night | 50°F | Mostly Clear | 2 mph SE | 0% |
| Monday | 74°F | Sunny | 3 mph SSE | 0% |
| Monday Night | 52°F | Mostly Clear | 1 mph SE | 0% |
| Tuesday | 74°F | Sunny | 2 mph S | 0% |
| Tuesday Night | 51°F | Mostly Clear | 2 mph ENE | 1% |
| Wednesday | 72°F | Mostly Sunny | 3 mph SSE | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph SE | 4% |
| Thursday | 71°F | Mostly Sunny | 2 mph SSE | 1% |
| Thursday Night | 51°F | Partly Cloudy | 2 mph NE | 9% |
| Friday | 68°F | Partly Sunny | 2 mph SE | 11% |
| Friday Night | 48°F | Chance Light Rain | 3 mph W | 28% |
Forecast source: National Weather Service (api.weather.gov) for Bigfork (48.084, -114.055). Updated through the day.
Growing snapshot for Bigfork
Last spring frost
May 1
First fall frost
Oct 15
Growing season
165 days
Hardiness zone
6a
More local growing data for Bigfork: nearby ZIP 59922 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Bigfork 13 S, Mt (12.3 mi from Bigfork). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.