Harman US

Winnett, MT Weather & Growing Conditions

Overnight
54°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 54. North wind around 10 mph. Chance of precipitation is 50%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 54°F Chance Rain Showers 10 mph N 45%
Saturday 64°F Patchy Fog 12 mph NNE 64%
Saturday Night 52°F Rain Showers 10 mph NNE 84%
Sunday 63°F Rain Showers Likely 9 mph NE 74%
Sunday Night 50°F Mostly Cloudy 8 mph SE 8%
Monday 72°F Mostly Sunny 8 to 13 mph SSE 0%
Monday Night 50°F Mostly Clear 8 to 12 mph SSE 0%
Tuesday 79°F Sunny 3 to 7 mph S 0%
Tuesday Night 52°F Mostly Clear 6 mph SSE 2%
Wednesday 81°F Mostly Sunny 6 mph SSW 3%
Wednesday Night 54°F Partly Cloudy 7 mph SSE 5%
Thursday 82°F Sunny 6 to 9 mph S 0%
Thursday Night 54°F Mostly Clear 8 mph SSE 3%
Friday 80°F Mostly Sunny 8 to 14 mph S 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Winnett, MT

Last spring frost
May 18
First fall frost
Sep 21
Growing season
124 days
Hardiness zone
4b

Explore more for Winnett, MT: full frost dates · planting calendar · Montana frost dates

Climate data from the nearest NOAA station, Valentine, Mt (18.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.