Lavina, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lavina, a town in Golden Valley County, Montana.
Overnight
43°F
Mostly Clear
Mostly clear. Low around 43, with temperatures rising to around 45 overnight. West northwest wind around 2 mph.
7-day forecast for Lavina
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Mostly Clear | 2 mph WNW | 0% |
| Tuesday | 77°F | Sunny | 5 mph ESE | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 1 to 6 mph NE | 2% |
| Wednesday | 88°F | Sunny | 3 to 8 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 2 to 8 mph NNW | 0% |
| Thursday | 96°F | Sunny | 5 to 9 mph W | 0% |
| Thursday Night | 57°F | Mostly Clear | 2 to 12 mph N | 0% |
| Friday | 100°F | Sunny | 2 to 6 mph W | 0% |
| Friday Night | 61°F | Mostly Clear | 6 to 14 mph NNW | 0% |
| Saturday | 97°F | Sunny | 9 to 13 mph WNW | 0% |
| Saturday Night | 60°F | Mostly Clear | 5 to 13 mph NNE | 3% |
| Sunday | 94°F | Sunny | 5 to 10 mph N | 1% |
| Sunday Night | 60°F | Partly Cloudy | 7 to 12 mph NE | 6% |
| Monday | 91°F | Mostly Sunny | 5 to 10 mph NE | 3% |
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 Aug 4, 2026.