Jefferson, OR Weather & Growing Conditions
This Afternoon
59°F
Partly Sunny
Partly sunny. High near 59, with temperatures falling to around 54 in the afternoon. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Partly Sunny | 0 mph | 4% |
| Tonight | 38°F | Areas Of Fog | 1 mph E | 3% |
| Wednesday | 57°F | Areas Of Fog then Chance Light Rain | 0 to 5 mph S | 43% |
| Wednesday Night | 47°F | Light Rain then Mostly Cloudy | 2 to 8 mph S | 90% |
| Thursday | 59°F | Partly Sunny | 0 to 5 mph S | 10% |
| Thursday Night | 43°F | Patchy Fog then Chance Light Rain | 2 mph SSE | 31% |
| Friday | 59°F | Chance Light Rain | 2 to 6 mph S | 31% |
| Friday Night | 43°F | Slight Chance Light Rain then Patchy Fog | 2 mph S | 15% |
| Saturday | 62°F | Areas Of Fog then Slight Chance Light Rain | 0 to 3 mph S | 15% |
| Saturday Night | 49°F | Light Rain Likely | 2 to 14 mph S | 66% |
| Sunday | 59°F | Light Rain Likely | 0 to 8 mph SW | 66% |
| Sunday Night | 44°F | Areas Of Fog | 1 mph NNE | 16% |
| Monday | 58°F | Areas Of Fog | 1 to 5 mph SSE | 41% |
| Monday Night | 46°F | Chance Light Rain | 3 to 7 mph S | 41% |
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 Nov 4, 2026.