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Edgar, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Edgar, a community in Carbon County, Montana.

This Afternoon
52°F
Sunny
Sunny. High near 52, with temperatures falling to around 47 in the afternoon. South southwest wind 7 to 15 mph.

7-day forecast for Edgar

WhenTempForecastWindPrecip
This Afternoon 52°F Sunny 7 to 15 mph SSW 0%
Tonight 28°F Clear then Patchy Fog 5 to 8 mph SSW 0%
Wednesday 54°F Patchy Fog then Mostly Sunny 5 mph NW 0%
Wednesday Night 29°F Partly Cloudy 3 to 10 mph S 0%
Thursday 58°F Sunny 3 to 12 mph SSW 3%
Thursday Night 30°F Partly Cloudy 3 mph WSW 3%
Friday 57°F Sunny 3 to 13 mph SSW 1%
Friday Night 33°F Partly Cloudy 10 to 14 mph SSW 1%
Saturday 60°F Sunny 12 mph SSW 0%
Saturday Night 37°F Partly Cloudy 9 to 21 mph SSW 0%
Sunday 65°F Mostly Sunny 15 to 23 mph SSW 0%
Sunday Night 35°F Partly Cloudy 3 to 15 mph SW 0%
Monday 60°F Mostly Sunny 3 mph SSE 1%
Monday Night 34°F Mostly Cloudy 6 mph S 1%

Forecast source: National Weather Service (api.weather.gov) for Edgar (45.459, -108.859). Updated through the day.

Growing snapshot for Edgar

Last spring frost
May 29
First fall frost
Sep 15
Growing season
107 days
Hardiness zone
5a

More local growing data for Edgar: nearby ZIP 59026 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Joliet, Mt (11 mi from Edgar). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.