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Brandon, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Brandon, a community in Madison County, Montana.

Overnight
48°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 48. North northwest wind around 3 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Brandon

WhenTempForecastWindPrecip
Overnight 48°F Showers And Thunderstorms Likely 3 mph NNW 67%
Saturday 55°F Patchy Fog 5 mph WNW 79%
Saturday Night 44°F Chance Light Rain 0 to 6 mph ESE 42%
Sunday 64°F Patchy Fog then Partly Sunny 0 to 3 mph WSW 6%
Sunday Night 45°F Mostly Clear 5 mph SE 0%
Monday 70°F Sunny 5 mph SSW 0%
Monday Night 47°F Mostly Clear 2 to 6 mph SSE 0%
Tuesday 72°F Sunny 3 mph SSW 0%
Tuesday Night 48°F Partly Cloudy 2 to 6 mph SE 3%
Wednesday 73°F Sunny 6 mph SSW 3%
Wednesday Night 50°F Mostly Clear 6 to 12 mph SSE 2%
Thursday 75°F Sunny 5 to 8 mph S 1%
Thursday Night 50°F Mostly Clear 7 to 13 mph SSE 2%
Friday 74°F Mostly Sunny 8 mph S 4%

Forecast source: National Weather Service (api.weather.gov) for Brandon (45.466, -112.134). Updated through the day.

Growing snapshot for Brandon

Last spring frost
May 24
First fall frost
Sep 22
Growing season
117 days
Hardiness zone
5a

More local growing data for Brandon: nearby ZIP 59749 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Laurin 2Ne, Mt (6.1 mi from Brandon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.