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Dayton, WA Weather Forecast

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Dayton, WA Weather Forecast

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Dayton WA weather - Clear - 80°F
Clear
80°F
Updated 3:49 pm
Feels Like 71°F
Humidity 23%
Wind W 3 mph
Barometer  30.06 in
Dew Point 39°F
Dayton WA weather - Clear - 27°C
Clear
27°C
Updated 3:49 pm
Feels Like 22°C
Humidity 23%
Wind W 5 km/h
Barometer  101.8 kPa
Dew Point 4°C
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Dayton Weather Forecast

REST OF TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Dayton, WA Weather - Rest Of Today Sunny Dayton, WA Weather - Tonight Mostly Clear Dayton, WA Weather - Wednesday Sunny Dayton, WA Weather - Wednesday Night Mostly Clear Dayton, WA Weather - Thursday Sunny Dayton, WA Weather - Thursday Night Mostly Clear Dayton, WA Weather - Friday Blowing Dust Dayton, WA Weather - Friday Night Blowing Dust Dayton, WA Weather - Saturday Partly Cloudy
Sunny Mostly Clear Sunny Mostly Clear Sunny Mostly Clear Blowing Dust Blowing Dust Partly Cloudy
Hi: 80°FHi: 27°C
 Lo: 46°FLo: 8°C Hi: 80°FHi: 27°C
 Lo: 46°FLo: 8°C Hi: 80°FHi: 27°C
 Lo: 53°FLo: 12°C Hi: 77°FHi: 25°C
 Lo: 41°FLo: 5°C Hi: 56°FHi: 13°C
Lo: 36°FLo: 2°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1147 AM PDT Tue Oct 06 2026 Dayton, WA Weather - WeatherWorld.com

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Dayton Forecast Discussion

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Issued: 337 PM PDT Tue Oct 6 2026

Key Messages

  • Dry and above normal temperatures through the week.
  • Breezy and fire weather concerns Friday.
  • Weekend rain chances, with mountain snowfall possible.

Discussion

... Current radar and visible satellite imagery shows dry conditions under mostly clear skies. This is in response to a building upper level ridge offshore that will keep conditions dry and temperatures slightly cooling through the week as northwest flow aloft enhances. A weak, thermal trough is expected to build along the coast ...