Harman US

Amsterdam, MT Weather & Growing Conditions

Tonight
51°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 51, with temperatures rising to around 54 overnight. Southwest wind 2 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Showers And Thunderstorms 2 to 9 mph SW 97%
Saturday 59°F Showers And Thunderstorms 7 mph WNW 92%
Saturday Night 48°F Light Rain Likely 1 to 5 mph WSW 62%
Sunday 66°F Patchy Fog then Partly Sunny 2 mph WNW 14%
Sunday Night 44°F Mostly Clear 5 mph SE 0%
Monday 72°F Sunny 0 to 3 mph N 0%
Monday Night 47°F Mostly Clear 5 mph SSE 0%
Tuesday 75°F Mostly Sunny 2 mph SSE 1%
Tuesday Night 47°F Partly Cloudy 3 mph SE 2%
Wednesday 75°F Sunny 0 to 3 mph SW 2%
Wednesday Night 47°F Mostly Clear 5 mph SE 3%
Thursday 76°F Sunny 0 to 5 mph E 2%
Thursday Night 48°F Mostly Clear 1 to 6 mph E 1%
Friday 77°F Mostly Sunny 1 to 5 mph SSW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Amsterdam, MT

Last spring frost
May 26
First fall frost
Sep 15
Growing season
111 days
Hardiness zone
5a

Explore more for Amsterdam, MT: full frost dates · planting calendar · Montana frost dates

Climate data from the nearest NOAA station, Logan Landfill, Mt (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.