Edgar, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Edgar, a community in Carbon County, Montana.
Overnight
45°F
Mostly Clear
Mostly clear. Low around 45, with temperatures rising to around 47 overnight. North wind around 2 mph.
7-day forecast for Edgar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Mostly Clear | 2 mph N | 0% |
| Tuesday | 78°F | Sunny then Patchy Smoke | 1 to 10 mph NNE | 0% |
| Tuesday Night | 48°F | Patchy Smoke | 2 to 12 mph NE | 2% |
| Wednesday | 87°F | Sunny | 5 mph WSW | 0% |
| Wednesday Night | 52°F | Mostly Clear | 6 mph WSW | 0% |
| Thursday | 95°F | Sunny | 6 mph WSW | 0% |
| Thursday Night | 57°F | Mostly Clear | 3 to 8 mph NNE | 0% |
| Friday | 100°F | Sunny | 5 mph SW | 0% |
| Friday Night | 59°F | Mostly Clear | 6 to 9 mph NW | 0% |
| Saturday | 97°F | Sunny | 3 to 9 mph W | 0% |
| Saturday Night | 60°F | Mostly Clear | 5 to 10 mph NNE | 0% |
| Sunday | 95°F | Sunny | 3 to 7 mph N | 2% |
| Sunday Night | 60°F | Partly Cloudy | 7 to 10 mph NNE | 6% |
| Monday | 92°F | Mostly Sunny | 5 to 9 mph N | 2% |
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
Nearby towns & communities
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Bridger
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Roberts
Rockvale
Roscoe
Silesia
Climate data from the nearest NOAA station, Joliet, Mt (11 mi from Edgar). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.