Harman US

Winnett, MT Weather & Growing Conditions

Today
64°F
Patchy Fog
A chance of rain showers before noon, then patchy fog and showers and thunderstorms likely. Cloudy, with a high near 64. Northeast wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

7-day forecast

WhenTempForecastWindPrecip
Today 64°F Patchy Fog 12 mph NE 64%
Tonight 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%
Friday Night 51°F Partly Cloudy then Slight Chance Rain Showers 10 mph SSW 16%

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.