West Glacier, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Glacier, a community in Flathead County, Montana.
Today
78°F
Mostly Sunny
Mostly sunny, with a high near 78. West northwest wind around 2 mph.
7-day forecast for West Glacier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Mostly Sunny | 2 mph WNW | 1% |
| Tonight | 45°F | Mostly Clear | 2 mph SSW | 0% |
| Wednesday | 84°F | Sunny | 0 to 3 mph SSW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 0 to 3 mph SW | 0% |
| Thursday | 91°F | Sunny | 0 to 3 mph WSW | 0% |
| Thursday Night | 50°F | Clear | 0 to 3 mph SW | 0% |
| Friday | 93°F | Sunny | 0 to 5 mph SW | 0% |
| Friday Night | 51°F | Clear | 2 to 9 mph S | 0% |
| Saturday | 90°F | Sunny | 1 to 7 mph S | 0% |
| Saturday Night | 50°F | Mostly Clear | 1 to 8 mph NNW | 0% |
| Sunday | 87°F | Sunny | 1 to 5 mph SSW | 0% |
| Sunday Night | 49°F | Mostly Clear | 5 mph SE | 0% |
| Monday | 85°F | Sunny | 3 mph ENE | 3% |
| Monday Night | 49°F | Mostly Clear | 3 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov) for West Glacier (48.494, -113.992). Updated through the day.
Growing snapshot for West Glacier
Last spring frost
May 18
First fall frost
Sep 20
Growing season
124 days
Hardiness zone
5a
More local growing data for West Glacier: nearby ZIP 59913 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, W Glacier, Mt (4.8 mi from West Glacier). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.