Geraldine, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Geraldine, a town in Chouteau County, Montana.
This Afternoon
73°F
Partly Sunny
Partly sunny, with a high near 73. North wind around 9 mph.
7-day forecast for Geraldine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Partly Sunny | 9 mph N | 5% |
| Tonight | 54°F | Cloudy then Chance Light Rain | 3 to 8 mph NNE | 26% |
| Saturday | 66°F | Chance Light Rain | 7 mph NE | 29% |
| Saturday Night | 51°F | Chance Light Rain | 3 to 7 mph SSE | 25% |
| Sunday | 71°F | Mostly Sunny | 3 to 7 mph SE | 5% |
| Sunday Night | 48°F | Mostly Clear | 5 to 10 mph SE | 0% |
| Monday | 79°F | Sunny | 6 mph SE | 0% |
| Monday Night | 51°F | Mostly Clear | 2 to 6 mph SSE | 0% |
| Tuesday | 78°F | Sunny | 2 to 6 mph W | 1% |
| Tuesday Night | 52°F | Mostly Clear | 5 mph S | 0% |
| Wednesday | 79°F | Sunny | 1 to 6 mph W | 2% |
| Wednesday Night | 52°F | Mostly Clear | 6 mph S | 1% |
| Thursday | 80°F | Sunny | 2 to 6 mph SE | 2% |
| Thursday Night | 53°F | Partly Cloudy | 6 to 9 mph SE | 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
Nearby towns & communities
Carter
Floweree
Fort Benton
Highwood
Loma
Riverview Colony
Square Butte
Sunnybrook Colony
Twin Hills Colony
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 Sep 19, 2026.