Dayton, Washington Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Dayton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——85°55°—
- MondayJul 6Overcast——87°63°+2°
- TuesdayJul 7Light Drizzle——96°68°+9°
- WednesdayJul 8Light Drizzle——82°66°-14°
- ThursdayJul 9Overcast——84°59°+2°
- FridayJul 10Clear——89°61°+5°
- SaturdayJul 11Partly Cloudy——97°65°+8°
AQI 33 (Good), driven by Ozone. AQI down 22 over the last 6 hours — air quality is improving sharply.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:16 PM
- Moonset
- 11:07 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Dayton at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: May 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 99328
15-Day Forecast — Dayton
- Sun85°55°0%
- Mon87°63°0%
- Tue96°68°4%
- Wed82°66°1%
- Thu84°59°0%
- Fri89°61°0%
- Sat97°65°1%
- Sun91°73°1%
- Mon97°65°3%
- Tue101°71°4%
- Wed104°73°3%
- Thu108°78°13%
- Fri105°75°9%
- Sat93°71°6%
- Sun95°64°5%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
ZIP codes in Dayton
- 99328