Jefferson, OR Weather & Growing Conditions
Overnight
51°F
Patchy Fog
Patchy fog. Mostly cloudy, with a low around 51. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Patchy Fog | 0 mph | 0% |
| Saturday | 77°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 52°F | Mostly Clear | 0 to 3 mph N | 0% |
| Sunday | 80°F | Areas Of Fog then Sunny | 0 to 6 mph N | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 6 mph NNW | 0% |
| Monday | 76°F | Patchy Fog then Mostly Sunny | 0 to 7 mph N | 0% |
| Monday Night | 51°F | Mostly Clear | 2 to 7 mph NNW | 0% |
| Tuesday | 73°F | Mostly Sunny | 5 mph N | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Wednesday | 72°F | Patchy Fog then Mostly Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph NNW | 2% |
| Thursday | 71°F | Mostly Sunny | 2 to 7 mph N | 12% |
| Thursday Night | 51°F | Mostly Cloudy | 6 mph NNW | 12% |
| Friday | 68°F | Mostly Sunny | 3 to 8 mph N | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jefferson, OR
Last spring frost
Mar 29
First fall frost
Nov 6
Growing season
222 days
Hardiness zone
8b
Explore more for Jefferson, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Stayton, Or (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.