Harman US

Lakeside, MT Weather & Growing Conditions

Tonight
32°F
Mostly Cloudy
Mostly cloudy, with a low around 32. Wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 32°F Mostly Cloudy 0 mph 0%
Wednesday 45°F Mostly Sunny 1 mph SE 0%
Wednesday Night 33°F Partly Cloudy 1 mph SSW 1%
Thursday 44°F Partly Sunny 1 to 6 mph SSW 13%
Thursday Night 35°F Mostly Cloudy 6 mph SSW 12%
Friday 47°F Partly Sunny 7 mph S 14%
Friday Night 38°F Mostly Cloudy 3 to 7 mph SSW 14%
Saturday 52°F Partly Sunny 0 to 3 mph S 3%
Saturday Night 39°F Mostly Cloudy then Slight Chance Light Rain 0 to 3 mph S 22%
Sunday 54°F Slight Chance Light Rain 3 to 10 mph SSW 22%
Sunday Night 39°F Slight Chance Light Rain 1 to 6 mph SSW 19%
Monday 50°F Partly Sunny then Slight Chance Light Rain 2 mph S 18%
Monday Night 39°F Slight Chance Light Rain 2 mph SSW 20%
Tuesday 52°F Slight Chance Light Rain 5 mph S 20%

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 Nov 4, 2026.