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Martinsdale Colony, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Martinsdale Colony, a community in Wheatland County, Montana.

Today
57°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 57, with temperatures falling to around 54 in the afternoon. North northwest wind 6 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

7-day forecast for Martinsdale Colony

WhenTempForecastWindPrecip
Today 57°F Showers And Thunderstorms 6 to 9 mph NNW 95%
Tonight 43°F Rain Showers 7 mph WNW 77%
Sunday 65°F Chance Rain Showers then Partly Sunny 7 mph SW 35%
Sunday Night 42°F Mostly Cloudy 5 to 8 mph SSE 5%
Monday 72°F Sunny 5 to 9 mph SW 0%
Monday Night 44°F Mostly Clear 6 to 12 mph WSW 0%
Tuesday 75°F Sunny 6 to 10 mph WSW 0%
Tuesday Night 46°F Partly Cloudy 8 mph W 2%
Wednesday 76°F Sunny 6 to 12 mph WSW 4%
Wednesday Night 47°F Mostly Clear 6 to 9 mph SW 5%
Thursday 77°F Sunny 7 to 10 mph WSW 1%
Thursday Night 47°F Mostly Clear 6 to 10 mph S 3%
Friday 76°F Mostly Sunny 8 to 12 mph SW 5%
Friday Night 45°F Slight Chance Rain Showers 8 to 12 mph WSW 18%

Forecast source: National Weather Service (api.weather.gov) for Martinsdale Colony (46.490, -110.261). Updated through the day.

Growing snapshot for Martinsdale Colony

Last spring frost
Jun 3
First fall frost
Sep 8
Growing season
94 days
Hardiness zone
4b

More local growing data for Martinsdale Colony: nearby ZIP 59085 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Martinsdale 3 Nnw, Mt (14.2 mi from Martinsdale Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.