Jefferson, OR Weather & Growing Conditions
Today
57°F
Mostly Cloudy then Light Rain Likely
Rain likely after 3pm. Mostly cloudy. High near 57, with temperatures falling to around 55 in the afternoon. South wind around 5 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 57°F | Mostly Cloudy then Light Rain Likely | 5 mph S | 72% |
| Tonight | 46°F | Light Rain Likely | 2 to 8 mph S | 70% |
| Thursday | 58°F | Partly Sunny | 0 to 5 mph SSE | 2% |
| Thursday Night | 40°F | Areas Of Fog | 2 mph ENE | 1% |
| Friday | 58°F | Chance Light Rain | 2 to 7 mph S | 31% |
| Friday Night | 44°F | Chance Light Rain then Mostly Cloudy | 0 to 3 mph SSE | 31% |
| Saturday | 63°F | Partly Sunny then Slight Chance Light Rain | 0 to 3 mph S | 15% |
| Saturday Night | 49°F | Light Rain Likely | 2 to 14 mph S | 73% |
| Sunday | 57°F | Light Rain Likely | 1 to 7 mph SSW | 64% |
| Sunday Night | 43°F | Mostly Cloudy | 1 mph N | 6% |
| Monday | 56°F | Partly Sunny | 0 to 3 mph SSE | 14% |
| Monday Night | 44°F | Chance Light Rain | 1 to 6 mph S | 31% |
| Tuesday | 59°F | Chance Light Rain | 7 mph S | 39% |
| Tuesday Night | 47°F | Chance Light Rain | 2 to 8 mph S | 35% |
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.