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Yoncalla, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Yoncalla, a city in Douglas County, Oregon.

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 wind 2 to 8 mph. Chance of precipitation is 70%.

7-day forecast for Yoncalla

WhenTempForecastWindPrecip
Today 58°F Mostly Cloudy then Light Rain Likely 2 to 8 mph S 70%
Tonight 46°F Light Rain Likely then Mostly Cloudy 3 mph S 59%
Thursday 60°F Mostly Sunny 1 to 5 mph N 2%
Thursday Night 42°F Partly Cloudy 1 to 5 mph SSE 2%
Friday 62°F Mostly Cloudy 3 mph SSE 2%
Friday Night 43°F Partly Cloudy 1 mph ESE 2%
Saturday 65°F Mostly Sunny then Slight Chance Light Rain 1 mph SSE 15%
Saturday Night 47°F Light Rain Likely 0 to 6 mph S 58%
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 SSE 15%
Monday Night 44°F Chance Light Rain 0 to 3 mph E 26%
Tuesday 62°F Chance Light Rain 0 to 3 mph SSE 29%
Tuesday Night 45°F Chance Light Rain 0 to 5 mph E 34%

Forecast source: National Weather Service (api.weather.gov) for Yoncalla (43.600, -123.292). Updated through the day.

Growing snapshot for Yoncalla

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

More local growing data for Yoncalla: nearby ZIP 97499 weather · frost dates · planting calendar · Oregon frost dates

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