Harman US

Amsterdam, MT Weather & Growing Conditions

Overnight
50°F
Patchy Fog
Patchy fog and showers and thunderstorms. Cloudy. Low around 50, with temperatures rising to around 53 overnight. West northwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 50°F Patchy Fog 5 mph WNW 92%
Saturday 57°F Patchy Fog 6 mph NNW 93%
Saturday Night 44°F Light Rain Likely 3 mph WNW 56%
Sunday 65°F Areas Of Fog then Partly Sunny 2 mph WSW 8%
Sunday Night 43°F Mostly Clear 5 mph SE 0%
Monday 72°F Sunny 2 mph S 0%
Monday Night 44°F Mostly Clear 5 mph SE 0%
Tuesday 74°F Sunny 2 mph E 1%
Tuesday Night 46°F Partly Cloudy 1 to 5 mph SE 3%
Wednesday 76°F Sunny 0 to 3 mph S 2%
Wednesday Night 46°F Mostly Clear 2 to 7 mph SE 4%
Thursday 77°F Sunny 0 to 6 mph E 1%
Thursday Night 47°F Mostly Clear 2 to 7 mph SE 2%
Friday 77°F Mostly Sunny 1 to 6 mph SSW 3%

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.