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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.