Edgar, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Edgar, a community in Carbon County, Montana.
Today
60°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 60, with temperatures falling to around 58 in the afternoon. North northwest wind 9 to 14 mph. Chance of precipitation is 100%.
7-day forecast for Edgar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Showers And Thunderstorms | 9 to 14 mph NNW | 95% |
| Tonight | 45°F | Patchy Fog | 7 to 14 mph NW | 93% |
| Sunday | 64°F | Rain Showers | 6 mph NNW | 80% |
| Sunday Night | 44°F | Mostly Cloudy | 5 mph ESE | 14% |
| Monday | 73°F | Sunny | 2 to 9 mph S | 0% |
| Monday Night | 45°F | Mostly Clear | 6 mph S | 0% |
| Tuesday | 78°F | Sunny | 3 to 7 mph SSW | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 5 mph SSE | 1% |
| Wednesday | 79°F | Mostly Sunny | 5 mph SSW | 5% |
| Wednesday Night | 49°F | Partly Cloudy | 3 to 9 mph S | 3% |
| Thursday | 81°F | Sunny | 9 to 13 mph SSW | 0% |
| Thursday Night | 49°F | Mostly Clear | 5 to 9 mph SSE | 1% |
| Friday | 81°F | Mostly Sunny | 10 to 14 mph S | 2% |
| Friday Night | 48°F | Partly Cloudy | 7 to 10 mph S | 11% |
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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Roberts
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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 Sep 19, 2026.