Lavina, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lavina, a town in Golden Valley County, Montana.
This Afternoon
52°F
Sunny
Sunny. High near 52, with temperatures falling to around 46 in the afternoon. South southwest wind around 7 mph.
7-day forecast for Lavina
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Sunny | 7 mph SSW | 0% |
| Tonight | 28°F | Patchy Fog | 5 mph SW | 0% |
| Wednesday | 54°F | Patchy Fog then Sunny | 5 mph SW | 0% |
| Wednesday Night | 28°F | Patchy Fog | 2 to 6 mph SSW | 0% |
| Thursday | 58°F | Patchy Fog then Mostly Sunny | 3 to 7 mph WSW | 4% |
| Thursday Night | 30°F | Partly Cloudy then Patchy Fog | 3 to 7 mph W | 4% |
| Friday | 57°F | Patchy Fog then Sunny | 6 to 10 mph WSW | 3% |
| Friday Night | 35°F | Partly Cloudy | 7 to 10 mph WSW | 3% |
| Saturday | 61°F | Sunny | 6 to 10 mph WSW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 5 to 8 mph SW | 0% |
| Sunday | 65°F | Mostly Sunny | 7 to 12 mph WSW | 0% |
| Sunday Night | 36°F | Partly Cloudy | 5 to 8 mph W | 0% |
| Monday | 58°F | Mostly Sunny | 5 mph SW | 0% |
| Monday Night | 34°F | Mostly Cloudy | 1 to 6 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lavina (46.295, -108.939). Updated through the day.
Growing snapshot for Lavina
Last spring frost
May 22
First fall frost
Sep 15
Growing season
114 days
Hardiness zone
4b
More local growing data for Lavina: nearby ZIP 59046 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Roundup 15 Sw, Mt (10.3 mi from Lavina). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.