Windham, MT Weather & Growing Conditions
This Afternoon
55°F
Mostly Sunny
Mostly sunny. High near 55, with temperatures falling to around 45 in the afternoon. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Mostly Sunny | 5 mph SW | 0% |
| Tonight | 34°F | Partly Cloudy | 1 to 8 mph WSW | 0% |
| Wednesday | 48°F | Mostly Sunny | 3 mph WNW | 0% |
| Wednesday Night | 32°F | Mostly Clear | 2 to 8 mph SW | 0% |
| Thursday | 52°F | Sunny | 3 to 13 mph WSW | 1% |
| Thursday Night | 33°F | Mostly Clear | 5 to 14 mph WSW | 1% |
| Friday | 49°F | Sunny | 13 to 20 mph WSW | 2% |
| Friday Night | 36°F | Partly Cloudy | 16 to 30 mph WSW | 7% |
| Saturday | 50°F | Mostly Sunny | 7 to 25 mph WSW | 1% |
| Saturday Night | 38°F | Partly Cloudy | 7 to 18 mph SW | 0% |
| Sunday | 59°F | Mostly Sunny | 10 to 21 mph SW | 1% |
| Sunday Night | 39°F | Mostly Cloudy | 7 to 14 mph WSW | 1% |
| Monday | 53°F | Partly Sunny | 8 mph WSW | 2% |
| Monday Night | 40°F | Mostly Cloudy | 7 to 12 mph SW | 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 Nov 4, 2026.