Winnett, MT Weather & Growing Conditions
Today
76°F
Sunny
Sunny, with a high near 76. Northwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 7 mph NW | 0% |
| Tonight | 52°F | Partly Cloudy | 7 mph S | 1% |
| Wednesday | 86°F | Mostly Sunny | 3 to 8 mph WSW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 to 10 mph W | 0% |
| Thursday | 92°F | Sunny | 6 to 12 mph W | 0% |
| Thursday Night | 58°F | Mostly Clear | 5 to 14 mph NNW | 0% |
| Friday | 96°F | Sunny | 6 to 9 mph SE | 0% |
| Friday Night | 61°F | Mostly Clear | 7 to 10 mph NNW | 0% |
| Saturday | 93°F | Sunny | 9 to 16 mph NW | 0% |
| Saturday Night | 61°F | Mostly Clear | 6 to 12 mph NE | 1% |
| Sunday | 91°F | Mostly Sunny | 6 to 13 mph N | 1% |
| Sunday Night | 61°F | Partly Cloudy | 8 to 12 mph NE | 8% |
| Monday | 88°F | Mostly Sunny | 8 to 12 mph NNE | 9% |
| Monday Night | 61°F | Partly Cloudy then Slight Chance Rain Showers | 7 to 12 mph E | 24% |
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 Aug 4, 2026.