Dayton, OR Weather & Growing Conditions
Tonight
51°F
Partly Cloudy then Patchy Fog
Patchy fog after 3am. Partly cloudy, with a low around 51. Northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Partly Cloudy then Patchy Fog | 2 mph NW | 0% |
| Saturday | 79°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 52°F | Partly Cloudy then Patchy Fog | 3 mph NNW | 0% |
| Sunday | 83°F | Patchy Fog then Mostly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Monday | 77°F | Mostly Sunny | 0 to 6 mph N | 0% |
| Monday Night | 52°F | Partly Cloudy | 1 to 6 mph N | 0% |
| Tuesday | 74°F | Patchy Fog then Mostly Sunny | 0 to 3 mph NNW | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Wednesday | 72°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 3 mph N | 1% |
| Thursday | 75°F | Mostly Sunny | 0 to 3 mph N | 6% |
| Thursday Night | 52°F | Slight Chance Light Rain | 3 mph W | 21% |
| Friday | 68°F | Mostly Sunny | 1 to 8 mph WSW | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayton, OR
Last spring frost
Apr 15
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
8b
Explore more for Dayton, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Mcminnville Muni Ap, Or (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.