Sheridan, MT Weather & Growing Conditions
Tonight
51°F
Showers And Thunderstorms
Showers and thunderstorms before midnight, then patchy fog and a chance of showers and thunderstorms between midnight and 5am, then patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. West southwest wind around 5 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Showers And Thunderstorms | 5 mph WSW | 81% |
| Saturday | 66°F | Patchy Fog | 1 to 7 mph NNW | 95% |
| Saturday Night | 47°F | Showers And Thunderstorms | 7 mph NNW | 88% |
| Sunday | 64°F | Showers And Thunderstorms | 7 mph NW | 75% |
| Sunday Night | 43°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NNW | 38% |
| Monday | 72°F | Mostly Sunny | 0 to 3 mph E | 10% |
| Monday Night | 42°F | Mostly Clear | 5 mph SSE | 0% |
| Tuesday | 78°F | Sunny | 2 mph SSE | 2% |
| Tuesday Night | 46°F | Partly Cloudy | 3 mph SSE | 10% |
| Wednesday | 80°F | Sunny | 2 mph NNW | 11% |
| Wednesday Night | 46°F | Mostly Clear | 2 mph S | 4% |
| Thursday | 82°F | Sunny | 1 to 5 mph SE | 4% |
| Thursday Night | 48°F | Partly Cloudy | 6 mph SSE | 1% |
| Friday | 82°F | Mostly Sunny | 3 mph SE | 6% |
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 Sep 19, 2026.