Windham, MT Weather & Growing Conditions
Overnight
51°F
Light Rain Likely
Rain likely. Cloudy, with a low around 51. North wind around 2 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Light Rain Likely | 2 mph N | 74% |
| Saturday | 55°F | Light Rain Likely | 1 to 8 mph NNE | 63% |
| Saturday Night | 47°F | Chance Light Rain | 2 to 7 mph SSW | 43% |
| Sunday | 64°F | Patchy Fog then Partly Sunny | 2 to 7 mph ESE | 17% |
| Sunday Night | 46°F | Mostly Clear | 9 mph SSE | 0% |
| Monday | 73°F | Sunny | 7 mph SSE | 0% |
| Monday Night | 50°F | Mostly Clear | 7 to 13 mph SSW | 0% |
| Tuesday | 74°F | Mostly Sunny | 8 mph W | 2% |
| Tuesday Night | 51°F | Mostly Clear | 5 to 9 mph WNW | 1% |
| Wednesday | 74°F | Sunny | 6 to 9 mph WSW | 3% |
| Wednesday Night | 51°F | Mostly Clear | 6 to 9 mph WSW | 1% |
| Thursday | 77°F | Sunny | 9 mph SSW | 2% |
| Thursday Night | 53°F | Mostly Clear | 10 to 14 mph SSW | 2% |
| Friday | 77°F | Mostly Sunny | 12 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Windham, MT
Last spring frost
May 25
First fall frost
Sep 21
Growing season
118 days
Hardiness zone
4b
Explore more for Windham, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Stanford, Mt (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.