Lavina, MT Weather & Growing Conditions
Today
75°F
Sunny
Sunny, with a high near 75. South wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 6 mph S | 0% |
| Tonight | 49°F | Partly Cloudy | 2 to 6 mph N | 2% |
| Wednesday | 86°F | Sunny | 5 to 8 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 3 to 8 mph NNW | 0% |
| Thursday | 92°F | Sunny | 5 to 9 mph W | 0% |
| Thursday Night | 57°F | Mostly Clear | 3 to 12 mph N | 0% |
| Friday | 97°F | Sunny | 3 to 8 mph W | 0% |
| Friday Night | 61°F | Mostly Clear | 7 to 14 mph NNW | 0% |
| Saturday | 95°F | Sunny | 8 to 14 mph WNW | 0% |
| Saturday Night | 61°F | Mostly Clear | 6 to 13 mph NNE | 3% |
| Sunday | 92°F | Sunny | 6 to 10 mph N | 1% |
| Sunday Night | 61°F | Partly Cloudy | 8 to 14 mph NE | 6% |
| Monday | 89°F | Sunny | 6 to 12 mph NE | 3% |
| Monday Night | 60°F | Partly Cloudy | 13 mph NE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lavina, MT
Last spring frost
May 22
First fall frost
Sep 15
Growing season
114 days
Hardiness zone
4b
Explore more for Lavina, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Roundup 15 Sw, Mt (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.