Silesia, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Silesia, a community in Carbon County, Montana.
Overnight
46°F
Mostly Clear
Mostly clear. Low around 46, with temperatures rising to around 48 overnight. Northwest wind around 2 mph.
7-day forecast for Silesia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Mostly Clear | 2 mph NW | 0% |
| Tuesday | 77°F | Sunny then Patchy Smoke | 1 to 12 mph N | 0% |
| Tuesday Night | 49°F | Mostly Clear | 3 to 10 mph N | 2% |
| Wednesday | 88°F | Sunny | 6 mph WSW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 7 mph NW | 0% |
| Thursday | 96°F | Sunny | 7 mph WSW | 0% |
| Thursday Night | 57°F | Mostly Clear | 5 to 10 mph N | 0% |
| Friday | 101°F | Sunny | 6 mph WSW | 0% |
| Friday Night | 60°F | Mostly Clear | 9 mph NW | 0% |
| Saturday | 98°F | Sunny | 6 to 10 mph NW | 0% |
| Saturday Night | 60°F | Mostly Clear | 6 to 12 mph NNE | 0% |
| Sunday | 95°F | Sunny | 5 to 8 mph N | 2% |
| Sunday Night | 61°F | Partly Cloudy | 8 to 12 mph NE | 5% |
| Monday | 92°F | Mostly Sunny | 6 to 10 mph NNE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Silesia (45.549, -108.838). Updated through the day.
Growing snapshot for Silesia
Last spring frost
May 29
First fall frost
Sep 15
Growing season
107 days
Hardiness zone
5a
More local growing data for Silesia: nearby ZIP 59026 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Bearcreek
Belfry
Boyd
Bridger
Edgar
Fox
Fromberg
Joliet
Luther
Montaqua
Red Lodge
Roberts
Rockvale
Roscoe
Climate data from the nearest NOAA station, Joliet, Mt (11 mi from Silesia). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.