Luther, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Luther, a community in Carbon County, Montana.
Today
71°F
Patchy Smoke
Patchy smoke. Sunny. High near 71, with temperatures falling to around 67 in the afternoon. East southeast wind 1 to 10 mph.
7-day forecast for Luther
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke | 1 to 10 mph ESE | 12% |
| Tonight | 51°F | Patchy Smoke | 3 to 8 mph S | 12% |
| Wednesday | 81°F | Sunny | 3 to 7 mph NE | 0% |
| Wednesday Night | 57°F | Mostly Clear | 6 mph WSW | 0% |
| Thursday | 88°F | Sunny | 1 to 8 mph NNE | 0% |
| Thursday Night | 61°F | Mostly Clear | 7 mph WSW | 0% |
| Friday | 93°F | Sunny | 2 to 8 mph ENE | 0% |
| Friday Night | 64°F | Partly Cloudy | 6 to 9 mph W | 0% |
| Saturday | 92°F | Sunny | 2 to 8 mph NE | 0% |
| Saturday Night | 64°F | Partly Cloudy | 7 mph WSW | 1% |
| Sunday | 89°F | Sunny | 3 to 8 mph NNE | 8% |
| Sunday Night | 63°F | Partly Cloudy | 5 to 8 mph W | 10% |
| Monday | 86°F | Sunny | 3 to 8 mph N | 9% |
| Monday Night | 62°F | Partly Cloudy | 5 to 8 mph NNW | 13% |
Forecast source: National Weather Service (api.weather.gov) for Luther (45.285, -109.416). Updated through the day.
Growing snapshot for Luther
Last spring frost
Jun 5
First fall frost
Sep 14
Growing season
99 days
Hardiness zone
5a
More local growing data for Luther: nearby ZIP 59071 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Mystic Lake, Mt (4.9 mi from Luther). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.