Harman US

Argenta, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Argenta, a community in Beaverhead County, Montana.

This Afternoon
45°F
Sunny
Sunny. High near 45, with temperatures falling to around 40 in the afternoon. South wind 0 to 3 mph.

7-day forecast for Argenta

WhenTempForecastWindPrecip
This Afternoon 45°F Sunny 0 to 3 mph S 0%
Tonight 29°F Mostly Clear 1 to 7 mph SW 0%
Thursday 42°F Mostly Cloudy 3 to 8 mph WSW 1%
Thursday Night 25°F Mostly Clear 3 to 9 mph W 3%
Friday 44°F Sunny 6 to 10 mph WSW 0%
Friday Night 30°F Partly Cloudy 6 to 9 mph WSW 0%
Saturday 50°F Sunny 2 to 8 mph SSW 0%
Saturday Night 33°F Mostly Clear 2 to 13 mph SSW 0%
Sunday 53°F Mostly Sunny 7 to 14 mph SSW 1%
Sunday Night 33°F Partly Cloudy 9 mph SW 1%
Monday 49°F Partly Sunny 3 to 7 mph SSW 1%
Monday Night 34°F Mostly Cloudy 3 to 8 mph SW 0%
Tuesday 50°F Mostly Sunny 5 to 8 mph WSW 2%
Tuesday Night 35°F Partly Cloudy 5 to 10 mph WSW 5%

Forecast source: National Weather Service (api.weather.gov) for Argenta (45.279, -112.861). Updated through the day.

Growing snapshot for Argenta

Growing season
72 days
Hardiness zone
5a

More local growing data for Argenta: nearby ZIP 59725 weather · frost dates · planting calendar · Montana frost dates

Nearby towns & communities

All Montana locations ›

Climate data from the nearest NOAA station, Dillon 18 Wsw, Mt (10.2 mi from Argenta). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.