Dayton, WA Weather & Growing Conditions
Today
84°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 84. Northeast wind 3 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Areas Of Smoke | 3 to 9 mph NE | 0% |
| Tonight | 57°F | Patchy Smoke | 2 to 7 mph E | 0% |
| Wednesday | 92°F | Patchy Smoke | 2 to 7 mph N | 0% |
| Wednesday Night | 61°F | Patchy Smoke then Clear | 5 mph SE | 0% |
| Thursday | 96°F | Sunny | 3 to 7 mph SW | 0% |
| Thursday Night | 66°F | Clear | 3 to 8 mph SW | 0% |
| Friday | 93°F | Sunny | 8 to 15 mph SW | 0% |
| Friday Night | 65°F | Clear | 7 to 12 mph SW | 0% |
| Saturday | 89°F | Sunny | 7 to 12 mph SW | 0% |
| Saturday Night | 62°F | Mostly Clear | 7 to 12 mph SW | 0% |
| Sunday | 85°F | Sunny | 8 to 13 mph SW | 0% |
| Sunday Night | 59°F | Mostly Clear | 9 mph SW | 0% |
| Monday | 84°F | Sunny | 9 mph SW | 0% |
| Monday Night | 58°F | Clear | 5 to 8 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayton, WA
Last spring frost
Apr 28
First fall frost
Oct 13
Growing season
168 days
Hardiness zone
7a
Explore more for Dayton, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Dayton 1 Wsw, Wa (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.