Sheridan, MT Weather & Growing Conditions
Tonight
24°F
Clear then Patchy Fog
Patchy fog after 5am. Clear. Low around 24, with temperatures rising to around 26 overnight. Southeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 24°F | Clear then Patchy Fog | 0 to 5 mph SE | 0% |
| Wednesday | 55°F | Patchy Fog then Sunny | 0 to 5 mph NNW | 0% |
| Wednesday Night | 24°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Thursday | 59°F | Sunny | 0 to 5 mph NNE | 0% |
| Thursday Night | 29°F | Partly Cloudy | 3 mph WNW | 0% |
| Friday | 57°F | Sunny | 3 mph SW | 2% |
| Friday Night | 29°F | Mostly Clear | 2 mph SW | 6% |
| Saturday | 61°F | Sunny | 2 to 7 mph W | 1% |
| Saturday Night | 29°F | Mostly Clear | 2 mph S | 0% |
| Sunday | 68°F | Sunny | 2 mph SSW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 1 mph NW | 0% |
| Monday | 60°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Monday Night | 31°F | Partly Cloudy | 0 to 3 mph NE | 1% |
| Tuesday | 64°F | Mostly Sunny | 0 to 3 mph NNW | 1% |
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 (18.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.