Melstone, MT Weather & Growing Conditions
Tonight
30°F
Patchy Fog
Patchy fog. Mostly clear. Low around 30, with temperatures rising to around 32 overnight. South wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 30°F | Patchy Fog | 1 to 5 mph S | 0% |
| Wednesday | 49°F | Patchy Fog then Mostly Sunny | 1 to 6 mph WNW | 0% |
| Wednesday Night | 30°F | Patchy Fog | 0 to 5 mph ESE | 0% |
| Thursday | 56°F | Patchy Fog then Sunny | 2 to 8 mph SSW | 0% |
| Thursday Night | 33°F | Partly Cloudy then Patchy Fog | 3 mph SE | 1% |
| Friday | 56°F | Patchy Fog then Sunny | 3 to 13 mph SW | 5% |
| Friday Night | 37°F | Partly Cloudy | 8 to 12 mph WSW | 5% |
| Saturday | 59°F | Sunny | 3 to 10 mph WSW | 0% |
| Saturday Night | 37°F | Mostly Clear | 3 to 9 mph SSW | 0% |
| Sunday | 65°F | Mostly Sunny | 9 to 15 mph SW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 5 to 9 mph W | 0% |
| Monday | 57°F | Mostly Sunny | 6 mph WNW | 1% |
| Monday Night | 36°F | Partly Cloudy | 5 mph SSE | 1% |
| Tuesday | 61°F | Mostly Sunny | 5 to 9 mph WSW | 1% |
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 (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.