Philipsburg, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Philipsburg, a town in Granite County, Montana.
Overnight
36°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 36. Wind around 0 mph.
7-day forecast for Philipsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 36°F | Patchy Smoke | 0 mph | 0% |
| Tuesday | 76°F | Patchy Smoke | 0 to 6 mph NNW | 0% |
| Tuesday Night | 42°F | Patchy Smoke then Mostly Clear | 1 to 6 mph ENE | 0% |
| Wednesday | 82°F | Sunny then Patchy Smoke | 1 to 5 mph WSW | 0% |
| Wednesday Night | 45°F | Patchy Smoke then Clear | 1 to 6 mph SW | 0% |
| Thursday | 89°F | Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 49°F | Clear | 2 to 8 mph SSW | 0% |
| Friday | 92°F | Sunny | 2 to 12 mph SW | 0% |
| Friday Night | 48°F | Mostly Clear | 5 to 14 mph WSW | 0% |
| Saturday | 90°F | Sunny | 2 to 12 mph SW | 0% |
| Saturday Night | 47°F | Mostly Clear | 1 to 12 mph WSW | 0% |
| Sunday | 87°F | Sunny | 1 to 8 mph W | 1% |
| Sunday Night | 46°F | Mostly Clear | 0 to 9 mph N | 0% |
| Monday | 87°F | Sunny | 0 to 7 mph NNW | 0% |
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 Aug 4, 2026.