Dayton, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayton, a city in Yamhill County, Oregon.
Today
79°F
Mostly Sunny
Mostly sunny, with a high near 79. North wind around 2 mph.
7-day forecast for Dayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Sunny | 2 mph N | 0% |
| Tonight | 52°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 82°F | Patchy Fog then Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Monday | 77°F | Mostly Sunny | 0 to 6 mph N | 0% |
| Monday Night | 51°F | Mostly Clear | 0 to 6 mph N | 0% |
| Tuesday | 74°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Wednesday | 72°F | Mostly Sunny | 2 mph N | 0% |
| Wednesday Night | 50°F | Mostly Cloudy | 2 mph NNW | 2% |
| Thursday | 70°F | Partly Sunny | 0 to 6 mph N | 11% |
| Thursday Night | 50°F | Mostly Cloudy | 1 to 6 mph NNW | 11% |
| Friday | 68°F | Mostly Sunny | 1 to 8 mph N | 9% |
| Friday Night | 48°F | Partly Cloudy | 2 to 8 mph NNW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Dayton (45.220, -123.078). Updated through the day.
Growing snapshot for Dayton
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
8b
More local growing data for Dayton: nearby ZIP 97114 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mcminnville Muni Ap, Or (2.8 mi from Dayton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.