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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.