Dayton, OR Weather Forecast

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Dayton, OR Weather Forecast

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Dayton OR weather  - Clear - 74°F
Clear
74°F
Updated 4:25 pm
Feels Like 65°F
Humidity 30%
Wind N 7 mph
Barometer  29.93 in
Dew Point 41°F
Dayton OR weather  - Clear - 23°C
Clear
23°C
Updated 4:25 pm
Feels Like 19°C
Humidity 30%
Wind N 11 km/h
Barometer  101.4 kPa
Dew Point 5°C

Dayton Weather Forecast

THIS AFTERNOON TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Dayton, OR Weather - This Afternoon Sunny Dayton, OR Weather - Tonight Mostly Clear Dayton, OR Weather - Wednesday Sunny Dayton, OR Weather - Wednesday Night Mostly Clear Dayton, OR Weather - Thursday Patchy Fog Dayton, OR Weather - Thursday Night Clearing Dayton, OR Weather - Friday Sunny Dayton, OR Weather - Friday Night Patchy Fog Dayton, OR Weather - Saturday Chance Of Rain Dayton, OR Weather - Saturday Night Chance Of Rain Dayton, OR Weather - Sunday Chance Of Rain Dayton, OR Weather - Sunday Night Chance Of Rain
Sunny Mostly Clear Sunny Mostly Clear Patchy Fog Clearing Sunny Patchy Fog Chance of Rain Chance of Rain Chance of Rain Chance of Rain
Hi: 71°FHi: 22°C
Lo: 45°FLo: 7°C Hi: 75°FHi: 24°C
Lo: 41°FLo: 5°C Hi: 65°FHi: 18°C
Lo: 39°FLo: 4°C Hi: 61°FHi: 16°C
Lo: 39°FLo: 4°C Hi: 61°FHi: 16°C
Lo: 41°FLo: 5°C Hi: 61°FHi: 16°C
Lo: 40°FLo: 4°C
POP: 20% POP: 50% POP: 40% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 202 PM PDT Tue Oct 20 2026 Dayton, OR Weather - WeatherWorld.com

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Dayton Forecast Discussion

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Issued: 255 PM PDT Tue Oct 20 2026

Discussion

...Now through Monday night...Current satellite and surface weather observations from early Tuesday afternoon depicted mostly clear skies aside from some scattered thin high clouds along with increasing low-level offshore flow. As of 2 PM Tuesday, winds were gusting as high as 30-40 mph in wind-prone areas of the western Columbia River Gorge and Troutdale/northern Gresham area, except up to 45 mph at Crown Point. The observed pressure gradient between Troutdale and the Dalles was aroun...