Melstone, MT Weather & Growing Conditions
Overnight
30°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 30. West southwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 30°F | Patchy Fog | 1 mph WSW | 0% |
| Wednesday | 48°F | Patchy Fog then Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 30°F | Patchy Fog | 0 to 5 mph S | 0% |
| Thursday | 54°F | Mostly Sunny | 2 to 9 mph SW | 0% |
| Thursday Night | 34°F | Mostly Cloudy | 0 to 3 mph NW | 4% |
| Friday | 54°F | Sunny | 3 to 13 mph WSW | 0% |
| Friday Night | 38°F | Partly Cloudy | 7 to 10 mph SW | 0% |
| Saturday | 58°F | Sunny | 3 to 10 mph WSW | 0% |
| Saturday Night | 37°F | Mostly Clear | 2 to 7 mph S | 0% |
| Sunday | 65°F | Mostly Sunny | 7 to 14 mph WSW | 0% |
| Sunday Night | 39°F | Partly Cloudy | 3 to 8 mph WNW | 2% |
| Monday | 56°F | Mostly Sunny | 2 to 6 mph WNW | 2% |
| Monday Night | 36°F | Partly Cloudy | 5 mph SSE | 2% |
| Tuesday | 60°F | Mostly Sunny | 3 to 9 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Melstone, MT
Last spring frost
May 10
First fall frost
Sep 29
Growing season
141 days
Hardiness zone
4b
Explore more for Melstone, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Melstone, Mt (15 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.