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Geraldine, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Geraldine, a town in Chouteau County, Montana.

Today
52°F
Sunny
Sunny. High near 52, with temperatures falling to around 44 in the afternoon. East wind around 3 mph.

7-day forecast for Geraldine

WhenTempForecastWindPrecip
Today 52°F Sunny 3 mph E 0%
Tonight 30°F Mostly Cloudy 3 mph W 0%
Wednesday 47°F Mostly Sunny 1 to 5 mph WNW 0%
Wednesday Night 29°F Mostly Clear 3 mph SSW 0%
Thursday 54°F Mostly Sunny 1 to 6 mph WSW 0%
Thursday Night 35°F Mostly Clear 6 to 16 mph WSW 0%
Friday 55°F Mostly Sunny 10 to 20 mph WSW 2%
Friday Night 37°F Partly Cloudy 14 to 26 mph WSW 5%
Saturday 54°F Mostly Sunny 3 to 24 mph W 1%
Saturday Night 36°F Partly Cloudy 3 to 7 mph SW 0%
Sunday 63°F Mostly Sunny 3 to 8 mph SW 1%
Sunday Night 38°F Mostly Cloudy 5 to 9 mph WSW 1%
Monday 55°F Partly Sunny 5 mph WSW 2%
Monday Night 37°F Mostly Cloudy 6 mph S 2%

Forecast source: National Weather Service (api.weather.gov) for Geraldine (47.602, -110.267). Updated through the day.

Growing snapshot for Geraldine

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

More local growing data for Geraldine: nearby ZIP 59446 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Geraldine, Mt (6.3 mi from Geraldine). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.