West Glacier, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Glacier, a community in Flathead County, Montana.
Overnight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. North northeast wind around 1 mph.
7-day forecast for West Glacier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Mostly Cloudy | 1 mph NNE | 0% |
| Saturday | 76°F | Patchy Fog then Sunny | 2 mph E | 0% |
| Saturday Night | 47°F | Partly Cloudy | 1 mph E | 1% |
| Sunday | 74°F | Patchy Fog then Sunny | 2 mph SSW | 0% |
| Sunday Night | 47°F | Mostly Clear | 1 mph SW | 0% |
| Monday | 75°F | Sunny | 0 to 3 mph SW | 0% |
| Monday Night | 47°F | Mostly Clear | 1 mph SSW | 0% |
| Tuesday | 75°F | Sunny | 2 mph WNW | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 1 mph E | 0% |
| Wednesday | 74°F | Mostly Sunny | 1 to 5 mph SSE | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph SSE | 2% |
| Thursday | 72°F | Mostly Sunny | 1 mph SSE | 1% |
| Thursday Night | 48°F | Partly Cloudy | 1 mph NE | 8% |
| Friday | 70°F | Partly Sunny | 2 mph W | 12% |
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 Sep 19, 2026.