Dayton, OR Weather & Growing Conditions
Today
56°F
Patchy Fog then Light Rain
Patchy fog before 10am, then rain. Mostly cloudy. High near 56, with temperatures falling to around 54 in the afternoon. South southwest wind 0 to 5 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 56°F | Patchy Fog then Light Rain | 0 to 5 mph SSW | 77% |
| Tonight | 43°F | Light Rain then Mostly Cloudy | 2 to 10 mph SSW | 83% |
| Thursday | 59°F | Mostly Sunny | 3 mph S | 6% |
| Thursday Night | 39°F | Patchy Fog | 1 mph NE | 11% |
| Friday | 59°F | Slight Chance Light Rain | 0 to 5 mph SSE | 21% |
| Friday Night | 42°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph W | 20% |
| Saturday | 63°F | Partly Sunny then Slight Chance Light Rain | 0 to 3 mph SSE | 24% |
| Saturday Night | 46°F | Light Rain | 3 to 16 mph S | 75% |
| Sunday | 58°F | Chance Light Rain | 1 to 9 mph S | 37% |
| Sunday Night | 40°F | Mostly Cloudy | 1 mph NNE | 5% |
| Monday | 57°F | Chance Light Rain | 2 mph SSE | 30% |
| Monday Night | 43°F | Chance Light Rain | 1 to 7 mph S | 35% |
| Tuesday | 58°F | Chance Light Rain | 3 mph S | 40% |
| Tuesday Night | 44°F | Chance Light Rain | 1 to 5 mph S | 42% |
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 Nov 4, 2026.