Lakeside, MT Weather & Growing Conditions
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. Northwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 1 mph NW | 0% |
| Tuesday | 77°F | Sunny | 2 mph NE | 0% |
| Tuesday Night | 54°F | Mostly Clear | 1 mph SW | 0% |
| Wednesday | 83°F | Sunny | 0 to 5 mph SSE | 0% |
| Wednesday Night | 57°F | Mostly Clear | 2 mph W | 0% |
| Thursday | 89°F | Sunny | 0 to 6 mph SSE | 0% |
| Thursday Night | 60°F | Clear | 0 to 3 mph SW | 0% |
| Friday | 91°F | Sunny | 0 to 8 mph WSW | 0% |
| Friday Night | 60°F | Clear | 2 to 8 mph SW | 0% |
| Saturday | 90°F | Sunny | 1 to 8 mph SSW | 0% |
| Saturday Night | 60°F | Mostly Clear | 1 to 6 mph W | 0% |
| Sunday | 87°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 58°F | Mostly Clear | 2 mph NNW | 0% |
| Monday | 85°F | Sunny | 0 to 3 mph E | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lakeside, MT
Last spring frost
May 12
First fall frost
Sep 25
Growing season
134 days
Hardiness zone
6a
Explore more for Lakeside, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Creston, Mt (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.