Winnett, MT Weather & Growing Conditions
Overnight
32°F
Mostly Clear
Mostly clear, with a low around 32. West wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 32°F | Mostly Clear | 5 mph W | 0% |
| Wednesday | 48°F | Sunny | 6 mph NNW | 0% |
| Wednesday Night | 31°F | Partly Cloudy | 1 to 9 mph E | 0% |
| Thursday | 54°F | Mostly Sunny | 3 to 8 mph W | 2% |
| Thursday Night | 33°F | Partly Cloudy | 3 to 8 mph WSW | 3% |
| Friday | 56°F | Sunny | 7 mph SW | 0% |
| Friday Night | 39°F | Partly Cloudy | 6 to 10 mph WSW | 0% |
| Saturday | 59°F | Sunny | 5 to 10 mph W | 0% |
| Saturday Night | 39°F | Partly Cloudy | 5 to 12 mph S | 0% |
| Sunday | 65°F | Mostly Sunny | 7 to 12 mph WSW | 1% |
| Sunday Night | 41°F | Mostly Cloudy | 7 to 10 mph WNW | 1% |
| Monday | 55°F | Mostly Sunny | 8 mph W | 1% |
| Monday Night | 38°F | Partly Cloudy | 7 mph S | 1% |
| Tuesday | 61°F | Mostly Sunny | 7 mph SW | 0% |
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 Nov 4, 2026.