Geraldine, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Geraldine, a town in Chouteau County, Montana.
Overnight
43°F
Mostly Clear
Mostly clear, with a low around 43. Southwest wind around 6 mph.
7-day forecast for Geraldine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Mostly Clear | 6 mph SW | 0% |
| Tuesday | 77°F | Sunny | 1 to 7 mph N | 0% |
| Tuesday Night | 51°F | Mostly Clear | 7 mph SSW | 1% |
| Wednesday | 85°F | Sunny | 3 to 12 mph W | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 to 9 mph NW | 0% |
| Thursday | 92°F | Sunny | 2 to 13 mph WNW | 0% |
| Thursday Night | 58°F | Mostly Clear | 6 to 10 mph NNE | 0% |
| Friday | 96°F | Sunny | 2 to 14 mph WNW | 0% |
| Friday Night | 62°F | Mostly Clear | 7 to 10 mph W | 0% |
| Saturday | 92°F | Sunny | 14 mph WNW | 0% |
| Saturday Night | 62°F | Mostly Clear | 9 mph WNW | 0% |
| Sunday | 89°F | Sunny | 8 to 12 mph NW | 1% |
| Sunday Night | 60°F | Partly Cloudy | 7 to 10 mph NNE | 7% |
| Monday | 87°F | Sunny | 9 mph NNW | 7% |
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 Aug 4, 2026.