Kalispell, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kalispell, a city in Flathead County, Montana.
Overnight
43°F
Mostly Clear
Mostly clear, with a low around 43. Northwest wind around 1 mph.
7-day forecast for Kalispell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Mostly Clear | 1 mph NW | 0% |
| Tuesday | 78°F | Sunny | 1 to 5 mph NNW | 0% |
| Tuesday Night | 47°F | Mostly Clear | 1 to 5 mph SW | 0% |
| Wednesday | 84°F | Sunny | 1 to 8 mph SSE | 0% |
| Wednesday Night | 50°F | Mostly Clear | 0 to 7 mph WSW | 0% |
| Thursday | 91°F | Sunny | 0 to 8 mph SE | 0% |
| Thursday Night | 53°F | Clear | 0 to 7 mph WSW | 0% |
| Friday | 92°F | Sunny | 0 to 9 mph WSW | 0% |
| Friday Night | 54°F | Clear | 2 to 15 mph SW | 0% |
| Saturday | 90°F | Sunny | 1 to 12 mph SSW | 0% |
| Saturday Night | 54°F | Mostly Clear | 2 to 13 mph W | 0% |
| Sunday | 87°F | Sunny | 1 to 6 mph NW | 0% |
| Sunday Night | 52°F | Mostly Clear | 2 to 6 mph WNW | 0% |
| Monday | 85°F | Sunny | 1 to 5 mph ENE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Kalispell (48.216, -114.328). Updated through the day.
Growing snapshot for Kalispell
Last spring frost
May 31
First fall frost
Sep 10
Growing season
100 days
Hardiness zone
5b
More local growing data for Kalispell: nearby ZIP 59901 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
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Lakeside
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Martin City
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West Glacier
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Climate data from the nearest NOAA station, Kalispell Glacier Ap, Mt (8.2 mi from Kalispell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.