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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

WhenTempForecastWindPrecip
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.