Philipsburg, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Philipsburg, a town in Granite County, Montana.
Tonight
25°F
Mostly Cloudy
Mostly cloudy, with a low around 25. East northeast wind around 1 mph.
7-day forecast for Philipsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 25°F | Mostly Cloudy | 1 mph ENE | 0% |
| Wednesday | 50°F | Mostly Sunny | 1 mph NNW | 0% |
| Wednesday Night | 26°F | Mostly Clear | 3 mph SSE | 0% |
| Thursday | 46°F | Partly Sunny | 1 to 5 mph SW | 7% |
| Thursday Night | 24°F | Partly Cloudy | 6 mph SW | 3% |
| Friday | 49°F | Mostly Sunny | 3 to 8 mph SW | 2% |
| Friday Night | 28°F | Partly Cloudy | 6 to 12 mph SSW | 2% |
| Saturday | 56°F | Mostly Sunny | 2 to 6 mph SSW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 3 to 12 mph S | 5% |
| Sunday | 58°F | Mostly Sunny | 6 to 14 mph SW | 6% |
| Sunday Night | 30°F | Mostly Cloudy | 2 to 8 mph SW | 6% |
| Monday | 55°F | Partly Sunny | 2 mph SSW | 4% |
| Monday Night | 31°F | Mostly Cloudy | 2 to 7 mph SSW | 5% |
| Tuesday | 54°F | Mostly Sunny | 5 to 8 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Philipsburg (46.332, -113.296). Updated through the day.
Growing snapshot for Philipsburg
Growing season
65 days
Hardiness zone
5a
More local growing data for Philipsburg: nearby ZIP 59858 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Phillipsburg Rs, Mt (8.3 mi from Philipsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.