Harman US

Jefferson, OR Weather & Growing Conditions

Today
95°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 95. North northeast wind 6 to 12 mph, with gusts as high as 21 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 95°F Areas Of Smoke 6 to 12 mph NNE 0%
Tonight 61°F Smoke 1 to 12 mph N 0%
Wednesday 98°F Smoke 1 to 5 mph N 0%
Wednesday Night 61°F Clear 0 to 5 mph NNW 0%
Thursday 97°F Sunny 0 to 6 mph NNW 0%
Thursday Night 58°F Clear 0 to 6 mph NW 0%
Friday 92°F Sunny 0 to 9 mph NNW 0%
Friday Night 60°F Clear 3 to 9 mph N 0%
Saturday 88°F Sunny 3 to 10 mph N 0%
Saturday Night 56°F Mostly Clear 5 to 10 mph NNW 0%
Sunday 83°F Sunny 5 to 10 mph N 0%
Sunday Night 53°F Mostly Clear 3 to 10 mph NNW 0%
Monday 82°F Sunny 3 to 9 mph N 0%
Monday Night 53°F Mostly Clear 2 to 9 mph NNW 0%

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 Aug 4, 2026.