Geraldine, MT Weather & Growing Conditions
This Afternoon
51°F
Mostly Sunny
Mostly sunny. High near 51, with temperatures falling to around 43 in the afternoon. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Mostly Sunny | 3 mph E | 0% |
| Tonight | 28°F | Patchy Fog | 3 mph SW | 0% |
| Wednesday | 46°F | Patchy Fog | 0 to 5 mph NW | 0% |
| Wednesday Night | 27°F | Patchy Fog | 0 to 5 mph S | 0% |
| Thursday | 53°F | Patchy Fog then Mostly Sunny | 3 mph WSW | 0% |
| Thursday Night | 33°F | Partly Cloudy | 3 to 13 mph WSW | 0% |
| Friday | 55°F | Sunny | 7 to 16 mph WSW | 2% |
| Friday Night | 36°F | Partly Cloudy | 12 to 22 mph WSW | 5% |
| Saturday | 54°F | Mostly Sunny | 3 to 18 mph W | 1% |
| Saturday Night | 33°F | Partly Cloudy | 6 mph SSW | 0% |
| Sunday | 62°F | Mostly Sunny | 3 to 7 mph SSW | 1% |
| Sunday Night | 37°F | Mostly Cloudy | 5 to 8 mph WSW | 1% |
| Monday | 54°F | Partly Sunny | 5 mph WSW | 2% |
| Monday Night | 35°F | Mostly Cloudy | 6 mph SSE | 2% |
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 Nov 4, 2026.