Big Timber, MT Weather & Growing Conditions
Today
72°F
Sunny
Sunny, with a high near 72. Southeast wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 2 to 7 mph SE | 0% |
| Tonight | 48°F | Mostly Clear | 2 to 8 mph NNE | 2% |
| Wednesday | 82°F | Sunny | 2 to 9 mph W | 0% |
| Wednesday Night | 52°F | Mostly Clear | 5 to 12 mph NW | 0% |
| Thursday | 90°F | Sunny | 5 to 12 mph W | 0% |
| Thursday Night | 56°F | Mostly Clear | 3 to 15 mph NW | 0% |
| Friday | 95°F | Sunny | 3 to 13 mph WSW | 0% |
| Friday Night | 60°F | Mostly Clear | 10 to 17 mph NW | 0% |
| Saturday | 92°F | Sunny | 9 to 16 mph W | 0% |
| Saturday Night | 59°F | Mostly Clear | 5 to 15 mph NNW | 4% |
| Sunday | 89°F | Sunny | 6 to 12 mph NNW | 4% |
| Sunday Night | 58°F | Partly Cloudy | 7 to 14 mph NNE | 11% |
| Monday | 86°F | Sunny | 6 to 12 mph NNE | 6% |
| Monday Night | 57°F | Partly Cloudy | 7 to 15 mph NE | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Big Timber, MT
Last spring frost
Jun 9
First fall frost
Sep 7
Growing season
88 days
Hardiness zone
4b
Explore more for Big Timber, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Melville 4 W, Mt (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.