Townsend, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Townsend, a city in Broadwater County, Montana.
Today
50°F
Mostly Sunny
Mostly sunny. High near 50, with temperatures falling to around 45 in the afternoon. South southeast wind 5 to 12 mph.
7-day forecast for Townsend
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Mostly Sunny | 5 to 12 mph SSE | 0% |
| Tonight | 31°F | Partly Cloudy | 0 to 3 mph S | 0% |
| Wednesday | 48°F | Mostly Sunny | 2 mph NNE | 0% |
| Wednesday Night | 31°F | Mostly Clear | 2 to 6 mph SE | 0% |
| Thursday | 51°F | Mostly Sunny | 3 to 7 mph S | 8% |
| Thursday Night | 32°F | Partly Cloudy | 5 mph SW | 8% |
| Friday | 52°F | Mostly Sunny | 5 to 12 mph S | 6% |
| Friday Night | 34°F | Partly Cloudy | 6 to 9 mph SSW | 6% |
| Saturday | 53°F | Mostly Sunny | 5 to 9 mph S | 0% |
| Saturday Night | 35°F | Partly Cloudy | 6 to 12 mph S | 0% |
| Sunday | 59°F | Mostly Sunny | 7 to 16 mph S | 1% |
| Sunday Night | 37°F | Mostly Cloudy | 7 mph S | 2% |
| Monday | 55°F | Partly Sunny | 5 to 8 mph S | 2% |
| Monday Night | 37°F | Mostly Cloudy | 6 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Townsend (46.319, -111.520). Updated through the day.
Growing snapshot for Townsend
Last spring frost
May 19
First fall frost
Sep 19
Growing season
122 days
Hardiness zone
4b
More local growing data for Townsend: nearby ZIP 59644 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Townsend 3Se, Mt (8.2 mi from Townsend). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.