Windham, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Windham, a community in Judith Basin County, Montana.
Tonight
51°F
Light Rain Likely
Rain likely. Cloudy, with a low around 51. North northwest wind 1 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Windham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Light Rain Likely | 1 to 5 mph NNW | 66% |
| Saturday | 59°F | Light Rain Likely | 1 to 7 mph NNE | 56% |
| Saturday Night | 47°F | Chance Light Rain | 2 to 7 mph SW | 42% |
| Sunday | 67°F | Slight Chance Light Rain then Partly Sunny | 2 to 6 mph SE | 19% |
| Sunday Night | 46°F | Mostly Clear | 9 mph SSE | 0% |
| Monday | 75°F | Sunny | 6 mph SSE | 0% |
| Monday Night | 49°F | Mostly Clear | 7 to 13 mph SSW | 1% |
| Tuesday | 77°F | Mostly Sunny | 3 to 7 mph WNW | 1% |
| Tuesday Night | 50°F | Mostly Clear | 5 to 8 mph WNW | 1% |
| Wednesday | 77°F | Sunny | 5 to 8 mph WSW | 2% |
| Wednesday Night | 50°F | Mostly Clear | 6 to 9 mph WSW | 1% |
| Thursday | 79°F | Sunny | 5 to 9 mph S | 2% |
| Thursday Night | 52°F | Mostly Clear | 10 to 15 mph S | 2% |
| Friday | 80°F | Mostly Sunny | 7 to 10 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Windham (47.078, -110.139). Updated through the day.
Growing snapshot for Windham
Last spring frost
May 25
First fall frost
Sep 21
Growing season
118 days
Hardiness zone
4b
More local growing data for Windham: nearby ZIP 59479 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Danvers
Geyser
Hobson
Moccasin
Raynesford
Sapphire Ridge
Spring Creek Colony
Stanford
Surprise Creek Colony
Utica
Climate data from the nearest NOAA station, Stanford, Mt (9.3 mi from Windham). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.