Geraldine, MT Weather & Growing Conditions
Overnight
42°F
Mostly Clear
Mostly clear, with a low around 42. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 77°F | Sunny | 1 to 6 mph W | 0% |
| Tuesday Night | 49°F | Mostly Clear | 7 mph SSE | 1% |
| Wednesday | 85°F | Sunny | 2 to 10 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 5 to 9 mph NW | 0% |
| Thursday | 92°F | Sunny | 2 to 12 mph WNW | 0% |
| Thursday Night | 57°F | Mostly Clear | 6 to 9 mph NE | 0% |
| Friday | 96°F | Sunny | 3 to 14 mph W | 0% |
| Friday Night | 59°F | Mostly Clear | 9 mph WNW | 0% |
| Saturday | 92°F | Sunny | 13 mph WNW | 0% |
| Saturday Night | 60°F | Mostly Clear | 8 mph ENE | 0% |
| Sunday | 89°F | Sunny | 8 to 12 mph NW | 1% |
| Sunday Night | 58°F | Partly Cloudy | 9 mph NE | 8% |
| Monday | 87°F | Sunny | 9 mph N | 7% |
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 Aug 4, 2026.