Twin Bridges, MT Weather & Growing Conditions
Overnight
25°F
Mostly Cloudy
Mostly cloudy. Low around 25, with temperatures rising to around 28 overnight. South southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 25°F | Mostly Cloudy | 1 mph SSE | 0% |
| Wednesday | 48°F | Mostly Sunny | 1 mph NNW | 0% |
| Wednesday Night | 25°F | Mostly Clear | 1 to 5 mph S | 0% |
| Thursday | 45°F | Partly Sunny | 5 mph SSW | 13% |
| Thursday Night | 24°F | Partly Cloudy | 2 to 6 mph SSW | 13% |
| Friday | 47°F | Mostly Sunny | 6 mph SSW | 0% |
| Friday Night | 27°F | Partly Cloudy | 5 to 9 mph S | 0% |
| Saturday | 52°F | Mostly Sunny | 2 to 7 mph SSW | 0% |
| Saturday Night | 29°F | Partly Cloudy | 2 to 13 mph S | 0% |
| Sunday | 57°F | Mostly Sunny | 5 to 12 mph SSW | 0% |
| Sunday Night | 30°F | Partly Cloudy | 7 mph S | 0% |
| Monday | 52°F | Mostly Sunny | 0 to 5 mph SSW | 1% |
| Monday Night | 30°F | Mostly Cloudy | 1 to 6 mph S | 1% |
| Tuesday | 55°F | Mostly Sunny | 2 to 6 mph SSW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Twin Bridges, MT
Last spring frost
Jun 8
First fall frost
Sep 2
Growing season
82 days
Hardiness zone
5a
Explore more for Twin Bridges, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Twin Bridges, Mt (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.