Yoncalla, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Yoncalla, a city in Douglas County, Oregon.
This Afternoon
79°F
Sunny
Sunny, with a high near 79. North northwest wind 2 to 6 mph.
7-day forecast for Yoncalla
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 2 to 6 mph NNW | 0% |
| Tonight | 50°F | Mostly Clear | 2 to 8 mph NE | 0% |
| Saturday | 81°F | Mostly Sunny | 1 to 9 mph NNW | 0% |
| Saturday Night | 51°F | Partly Cloudy | 2 to 9 mph NNW | 0% |
| Sunday | 82°F | Sunny | 2 to 7 mph N | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 7 mph NNW | 0% |
| Monday | 78°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Monday Night | 50°F | Mostly Clear | 0 to 3 mph N | 0% |
| Tuesday | 75°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Tuesday Night | 47°F | Mostly Clear | 0 to 3 mph N | 0% |
| Wednesday | 75°F | Mostly Sunny | 2 mph N | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph N | 0% |
| Thursday | 79°F | Mostly Sunny | 2 mph NNW | 5% |
| Thursday Night | 51°F | Partly Cloudy | 2 mph NNW | 10% |
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 Sep 19, 2026.