Sheridan, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sheridan, a town in Madison County, Montana.
This Afternoon
46°F
Mostly Sunny
Mostly sunny. High near 46, with temperatures falling to around 42 in the afternoon. West southwest wind around 3 mph.
7-day forecast for Sheridan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 46°F | Mostly Sunny | 3 mph WSW | 0% |
| Tonight | 27°F | Mostly Cloudy | 0 to 5 mph E | 0% |
| Wednesday | 47°F | Mostly Sunny | 1 mph N | 0% |
| Wednesday Night | 26°F | Mostly Clear | 1 to 9 mph SSE | 0% |
| Thursday | 46°F | Mostly Sunny | 2 to 9 mph S | 10% |
| Thursday Night | 27°F | Partly Cloudy | 7 mph S | 10% |
| Friday | 47°F | Mostly Sunny | 5 to 8 mph S | 5% |
| Friday Night | 28°F | Partly Cloudy | 8 to 15 mph S | 5% |
| Saturday | 49°F | Mostly Sunny | 3 to 9 mph S | 0% |
| Saturday Night | 30°F | Partly Cloudy | 5 to 16 mph SSE | 0% |
| Sunday | 55°F | Mostly Sunny | 5 to 14 mph S | 1% |
| Sunday Night | 32°F | Mostly Cloudy | 6 to 12 mph S | 1% |
| Monday | 53°F | Partly Sunny | 2 to 6 mph S | 2% |
| Monday Night | 33°F | Mostly Cloudy | 3 to 10 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Sheridan (45.459, -112.195). Updated through the day.
Growing snapshot for Sheridan
Last spring frost
May 24
First fall frost
Sep 22
Growing season
117 days
Hardiness zone
5a
More local growing data for Sheridan: nearby ZIP 59749 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
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Norris
Pony
Silver Star
Twin Bridges
Virginia City
Climate data from the nearest NOAA station, Laurin 2Ne, Mt (6.1 mi from Sheridan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.