Sheridan, MT Weather & Growing Conditions
Today
78°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 78. East northeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke | 0 to 5 mph ENE | 1% |
| Tonight | 47°F | Patchy Smoke | 0 to 5 mph E | 15% |
| Wednesday | 86°F | Sunny | 0 to 5 mph NNE | 0% |
| Wednesday Night | 50°F | Mostly Clear | 1 to 7 mph W | 0% |
| Thursday | 93°F | Sunny | 0 to 5 mph N | 0% |
| Thursday Night | 55°F | Mostly Clear | 1 to 7 mph WSW | 0% |
| Friday | 99°F | Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 58°F | Mostly Clear | 3 to 7 mph W | 0% |
| Saturday | 97°F | Sunny | 3 to 15 mph NW | 0% |
| Saturday Night | 59°F | Mostly Clear | 2 to 9 mph WNW | 1% |
| Sunday | 96°F | Sunny | 1 to 10 mph NNW | 3% |
| Sunday Night | 59°F | Partly Cloudy | 2 to 8 mph NW | 5% |
| Monday | 94°F | Sunny | 1 to 10 mph N | 4% |
| Monday Night | 59°F | Partly Cloudy | 2 to 10 mph E | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sheridan, MT
Last spring frost
May 18
First fall frost
Sep 24
Growing season
127 days
Hardiness zone
5a
Explore more for Sheridan, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Sheridan Fld Stn, Wy (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.