Plentywood, MT Weather & Growing Conditions
Today
71°F
Mostly Sunny
Mostly sunny, with a high near 71. West northwest wind 9 to 17 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Mostly Sunny | 9 to 17 mph WNW | 0% |
| Tonight | 50°F | Partly Cloudy | 6 to 14 mph WSW | 2% |
| Wednesday | 79°F | Partly Sunny | 10 to 22 mph WSW | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 17 mph W | 4% |
| Thursday | 83°F | Sunny | 5 to 15 mph WNW | 2% |
| Thursday Night | 54°F | Mostly Clear | 8 to 14 mph N | 1% |
| Friday | 80°F | Sunny | 8 mph NNE | 1% |
| Friday Night | 53°F | Mostly Clear | 8 to 12 mph ENE | 6% |
| Saturday | 81°F | Mostly Sunny | 12 mph NE | 0% |
| Saturday Night | 54°F | Partly Cloudy | 10 to 14 mph NE | 3% |
| Sunday | 80°F | Partly Sunny | 10 to 15 mph ENE | 10% |
| Sunday Night | 54°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 12 to 16 mph ENE | 26% |
| Monday | 77°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 14 mph ENE | 19% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 to 15 mph ENE | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plentywood, MT
Last spring frost
May 19
First fall frost
Sep 23
Growing season
125 days
Hardiness zone
4a
Explore more for Plentywood, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Raymond Border Stn, Mt (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.