Harman US

Geraldine, MT Weather & Growing Conditions

Tonight
54°F
Cloudy then Slight Chance Light Rain
A slight chance of rain between midnight and 4am. Cloudy, with a low around 54. Northeast wind 5 to 9 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 54°F Cloudy then Slight Chance Light Rain 5 to 9 mph NE 20%
Saturday 66°F Chance Light Rain 7 mph ENE 26%
Saturday Night 51°F Chance Light Rain 3 to 7 mph SE 28%
Sunday 71°F Partly Sunny 3 to 7 mph ESE 5%
Sunday Night 48°F Mostly Clear 6 to 12 mph SE 0%
Monday 77°F Sunny 7 mph ESE 0%
Monday Night 50°F Mostly Clear 3 to 7 mph SE 0%
Tuesday 78°F Sunny 5 mph W 1%
Tuesday Night 51°F Partly Cloudy 5 mph SE 0%
Wednesday 79°F Sunny 1 to 5 mph SW 2%
Wednesday Night 51°F Mostly Clear 6 mph SE 1%
Thursday 80°F Sunny 2 to 6 mph ESE 2%
Thursday Night 52°F Partly Cloudy 9 mph SE 1%
Friday 80°F Mostly Sunny 6 mph S 1%

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

Growing snapshot for Geraldine, MT

Last spring frost
May 14
First fall frost
Sep 26
Growing season
134 days
Hardiness zone
4b

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

Climate data from the nearest NOAA station, Geraldine, Mt (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.