Sheridan, MT Weather & Growing Conditions
This Afternoon
55°F
Partly Sunny
Partly sunny. High near 55, with temperatures falling to around 49 in the afternoon. North northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Partly Sunny | 5 mph NNE | 0% |
| Tonight | 24°F | Mostly Cloudy | 3 mph SSW | 0% |
| Thursday | 59°F | Mostly Sunny | 2 to 6 mph NNE | 0% |
| Thursday Night | 28°F | Mostly Cloudy | 1 to 7 mph W | 1% |
| Friday | 54°F | Mostly Sunny | 2 mph SSE | 1% |
| Friday Night | 26°F | Mostly Clear | 1 to 5 mph S | 0% |
| Saturday | 61°F | Sunny | 3 mph NNW | 0% |
| Saturday Night | 29°F | Mostly Clear | 1 to 5 mph ESE | 0% |
| Sunday | 68°F | Sunny | 2 mph S | 0% |
| Sunday Night | 32°F | Partly Cloudy | 1 mph WNW | 1% |
| Monday | 59°F | Mostly Sunny | 0 to 3 mph E | 0% |
| Monday Night | 30°F | Partly Cloudy | 2 mph SE | 0% |
| Tuesday | 63°F | Mostly Sunny | 1 mph NNW | 1% |
| Tuesday Night | 31°F | Partly Cloudy | 1 mph SW | 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 (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.