Townsend, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Townsend, a city in Broadwater County, Montana.
Overnight
54°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 54. North northwest wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Townsend
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Showers And Thunderstorms | 9 mph NNW | 95% |
| Saturday | 62°F | Showers And Thunderstorms | 6 to 9 mph NNW | 98% |
| Saturday Night | 48°F | Chance Light Rain | 2 to 6 mph W | 26% |
| Sunday | 69°F | Mostly Sunny | 2 to 6 mph SSE | 2% |
| Sunday Night | 48°F | Mostly Clear | 3 mph S | 0% |
| Monday | 74°F | Sunny | 3 to 8 mph S | 0% |
| Monday Night | 49°F | Mostly Clear | 3 mph SE | 0% |
| Tuesday | 76°F | Sunny | 5 mph S | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 2 mph N | 1% |
| Wednesday | 77°F | Sunny | 2 to 8 mph S | 1% |
| Wednesday Night | 51°F | Mostly Clear | 6 mph SSE | 4% |
| Thursday | 78°F | Sunny | 6 to 9 mph S | 2% |
| Thursday Night | 51°F | Mostly Clear | 6 mph SSE | 4% |
| Friday | 78°F | Mostly Sunny | 6 to 10 mph S | 5% |
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 Sep 19, 2026.