Harman US

Yoncalla, OR Weather & Growing Conditions

Today
58°F
Mostly Cloudy then Light Rain Likely
Rain likely after 4pm. Mostly cloudy. High near 58, with temperatures falling to around 53 in the afternoon. South southwest wind 2 to 8 mph. Chance of precipitation is 70%.

7-day forecast

WhenTempForecastWindPrecip
Today 58°F Mostly Cloudy then Light Rain Likely 2 to 8 mph SSW 72%
Tonight 46°F Light Rain Likely 0 to 5 mph SSW 57%
Thursday 59°F Mostly Sunny 0 to 5 mph N 3%
Thursday Night 42°F Partly Cloudy 0 to 5 mph SE 2%
Friday 62°F Mostly Cloudy 3 mph S 2%
Friday Night 43°F Partly Cloudy 2 mph SSE 1%
Saturday 65°F Mostly Sunny then Slight Chance Light Rain 1 mph S 15%
Saturday Night 46°F Light Rain Likely 0 to 5 mph S 57%
Sunday 57°F Chance Light Rain 2 mph S 52%
Sunday Night 44°F Mostly Cloudy 0 mph 9%
Monday 59°F Slight Chance Light Rain 1 mph E 15%
Monday Night 44°F Chance Light Rain 2 mph SE 26%
Tuesday 62°F Chance Light Rain 0 to 3 mph SSE 28%
Tuesday Night 44°F Chance Light Rain 0 to 3 mph E 34%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Yoncalla, OR

Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
193 days
Hardiness zone
8b

Explore more for Yoncalla, OR: full frost dates · planting calendar · Oregon frost dates

Climate data from the nearest NOAA station, Drain, Or (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.