Melstone, MT Weather & Growing Conditions
Overnight
45°F
Mostly Clear
Mostly clear. Low around 45, with temperatures rising to around 47 overnight. West southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Mostly Clear | 2 mph WSW | 0% |
| Tuesday | 75°F | Sunny | 3 to 7 mph WNW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 2 to 6 mph ESE | 1% |
| Wednesday | 85°F | Sunny | 2 to 7 mph WSW | 0% |
| Wednesday Night | 56°F | Mostly Clear | 1 to 7 mph N | 0% |
| Thursday | 92°F | Sunny | 1 to 9 mph W | 0% |
| Thursday Night | 59°F | Mostly Clear | 2 to 9 mph NNE | 0% |
| Friday | 95°F | Sunny | 2 to 8 mph E | 0% |
| Friday Night | 62°F | Mostly Clear | 6 to 10 mph NE | 0% |
| Saturday | 94°F | Sunny | 6 to 15 mph NW | 0% |
| Saturday Night | 63°F | Partly Cloudy | 6 to 10 mph NE | 2% |
| Sunday | 92°F | Mostly Sunny | 5 to 14 mph NNE | 0% |
| Sunday Night | 63°F | Partly Cloudy | 12 mph NE | 7% |
| Monday | 90°F | Mostly Sunny | 8 to 12 mph NE | 6% |
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 Aug 4, 2026.