Jeffers, MT Weather & Growing Conditions
Today
75°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 75. North wind 0 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Smoke | 0 to 9 mph N | 0% |
| Tonight | 45°F | Areas Of Smoke | 2 to 9 mph ENE | 0% |
| Wednesday | 82°F | Patchy Smoke | 1 to 7 mph SW | 0% |
| Wednesday Night | 49°F | Patchy Smoke then Mostly Clear | 2 to 7 mph SSE | 0% |
| Thursday | 89°F | Sunny | 3 to 9 mph SW | 0% |
| Thursday Night | 54°F | Mostly Clear | 2 to 9 mph SSE | 0% |
| Friday | 93°F | Sunny | 5 to 21 mph SW | 0% |
| Friday Night | 55°F | Mostly Clear | 2 to 15 mph NE | 0% |
| Saturday | 92°F | Sunny | 3 to 14 mph SW | 1% |
| Saturday Night | 55°F | Partly Cloudy | 1 to 12 mph ENE | 1% |
| Sunday | 90°F | Sunny | 0 to 8 mph WNW | 3% |
| Sunday Night | 53°F | Partly Cloudy | 1 to 9 mph NNE | 6% |
| Monday | 88°F | Sunny | 0 to 7 mph N | 3% |
| Monday Night | 53°F | Partly Cloudy | 2 to 8 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jeffers, MT
Last spring frost
Jun 16
First fall frost
Sep 4
Growing season
78 days
Hardiness zone
5a
Explore more for Jeffers, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Ennis, Mt (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.