Dayton, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayton, a city in Yamhill County, Oregon.
Today
60°F
Mostly Cloudy
Mostly cloudy. High near 60, with temperatures falling to around 56 in the afternoon. North wind 0 to 5 mph.
7-day forecast for Dayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Mostly Cloudy | 0 to 5 mph N | 7% |
| Tonight | 38°F | Areas Of Fog | 0 mph | 4% |
| Wednesday | 56°F | Areas Of Fog then Light Rain Likely | 0 to 3 mph S | 63% |
| Wednesday Night | 45°F | Light Rain then Mostly Cloudy | 2 to 9 mph SSW | 94% |
| Thursday | 59°F | Partly Sunny | 3 mph SSW | 7% |
| Thursday Night | 43°F | Patchy Fog then Chance Light Rain | 1 mph S | 51% |
| Friday | 58°F | Chance Light Rain | 1 to 5 mph S | 51% |
| Friday Night | 44°F | Slight Chance Light Rain then Areas Of Fog | 1 mph SSE | 16% |
| Saturday | 62°F | Patchy Fog then Slight Chance Light Rain | 2 mph S | 18% |
| Saturday Night | 48°F | Light Rain Likely | 2 to 16 mph S | 63% |
| Sunday | 59°F | Light Rain Likely | 1 to 9 mph SSW | 63% |
| Sunday Night | 43°F | Areas Of Fog | 1 mph W | 16% |
| Monday | 58°F | Areas Of Fog then Chance Light Rain | 2 mph S | 45% |
| Monday Night | 45°F | Chance Light Rain | 2 to 8 mph S | 51% |
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 Nov 3, 2026.