Roscoe, MT Weather & Growing Conditions
Tonight
26°F
Partly Cloudy
Partly cloudy, with a low around 26. North northeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 26°F | Partly Cloudy | 6 mph NNE | 0% |
| Wednesday | 37°F | Mostly Sunny | 6 mph ENE | 0% |
| Wednesday Night | 25°F | Mostly Clear | 6 to 22 mph SW | 0% |
| Thursday | 37°F | Mostly Sunny then Slight Chance Snow Showers | 6 to 25 mph SW | 20% |
| Thursday Night | 25°F | Slight Chance Snow Showers | 7 to 17 mph SW | 20% |
| Friday | 35°F | Sunny | 9 to 23 mph SW | 1% |
| Friday Night | 27°F | Partly Cloudy | 15 to 29 mph SW | 2% |
| Saturday | 41°F | Sunny | 3 to 22 mph WSW | 0% |
| Saturday Night | 33°F | Mostly Clear | 7 to 32 mph SW | 0% |
| Sunday | 45°F | Mostly Sunny | 18 to 37 mph WSW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 18 to 30 mph WSW | 1% |
| Monday | 42°F | Mostly Sunny | 8 to 18 mph W | 2% |
| Monday Night | 33°F | Partly Cloudy | 8 to 22 mph WSW | 2% |
| Tuesday | 42°F | Mostly Sunny | 9 to 22 mph WSW | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Roscoe, MT
Last spring frost
Jun 5
First fall frost
Sep 14
Growing season
99 days
Hardiness zone
5a
Explore more for Roscoe, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Mystic Lake, Mt (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.