Lakeside, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lakeside, a community in Flathead County, Montana.
This Afternoon
44°F
Sunny
Sunny, with a high near 44. East wind around 1 mph.
7-day forecast for Lakeside
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 44°F | Sunny | 1 mph E | 0% |
| Tonight | 32°F | Partly Cloudy | 1 mph WSW | 2% |
| Thursday | 44°F | Mostly Cloudy | 1 to 5 mph SSW | 13% |
| Thursday Night | 35°F | Partly Cloudy | 5 mph SSW | 9% |
| Friday | 46°F | Partly Sunny | 6 mph S | 0% |
| Friday Night | 38°F | Mostly Cloudy | 1 to 5 mph S | 4% |
| Saturday | 54°F | Partly Sunny | 2 mph S | 4% |
| Saturday Night | 39°F | Partly Cloudy | 0 to 3 mph S | 3% |
| Sunday | 55°F | Partly Sunny | 3 to 9 mph SSW | 14% |
| Sunday Night | 38°F | Mostly Cloudy | 0 to 6 mph SSW | 14% |
| Monday | 50°F | Mostly Cloudy | 2 mph ESE | 8% |
| Monday Night | 38°F | Mostly Cloudy | 1 mph SW | 6% |
| Tuesday | 53°F | Partly Sunny then Slight Chance Light Rain | 1 to 5 mph S | 17% |
| Tuesday Night | 39°F | Slight Chance Light Rain | 2 mph SSW | 17% |
Forecast source: National Weather Service (api.weather.gov) for Lakeside (48.018, -114.232). Updated through the day.
Growing snapshot for Lakeside
Last spring frost
May 1
First fall frost
Oct 15
Growing season
165 days
Hardiness zone
6a
More local growing data for Lakeside: nearby ZIP 59922 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Bigfork 13 S, Mt (12.3 mi from Lakeside). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.