Brandon, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brandon, a community in Madison County, Montana.
Tonight
29°F
Mostly Cloudy
Mostly cloudy, with a low around 29. East northeast wind 0 to 5 mph.
7-day forecast for Brandon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 29°F | Mostly Cloudy | 0 to 5 mph ENE | 0% |
| Wednesday | 46°F | Mostly Sunny | 2 mph WNW | 0% |
| Wednesday Night | 29°F | Mostly Clear | 1 to 9 mph SSE | 0% |
| Thursday | 45°F | Mostly Sunny | 5 to 9 mph SSW | 11% |
| Thursday Night | 28°F | Partly Cloudy | 8 mph SSW | 11% |
| Friday | 45°F | Mostly Sunny | 9 mph SSW | 5% |
| Friday Night | 30°F | Partly Cloudy | 9 to 20 mph SSW | 5% |
| Saturday | 47°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 6 to 17 mph S | 0% |
| Sunday | 53°F | Mostly Sunny | 7 to 14 mph SSW | 1% |
| Sunday Night | 35°F | Mostly Cloudy | 6 to 13 mph S | 1% |
| Monday | 51°F | Partly Sunny | 6 mph SSW | 2% |
| Monday Night | 36°F | Mostly Cloudy | 5 to 13 mph S | 2% |
| Tuesday | 53°F | Mostly Sunny | 6 to 9 mph SSW | 5% |
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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Twin Bridges
Virginia City
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 Nov 4, 2026.