National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Walla Walla Regional Airport (KALW)

Lat: 46.09462°NLon: 118.2858°WElev: 1168.0ft.

Clear

63°F

17°C

Humidity 55%
Wind Speed S 4 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 03 Oct 10:15 AM PDT
Extended Forecast for

Dayton WA

  • Today

    Today: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Light southwest wind.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Light and variable wind.
Tonight
Mostly clear, with a low around 52. Light and variable wind.
Sunday
Sunny, with a high near 82. Light southwest wind.
Sunday Night
Partly cloudy, with a low around 54. Calm wind.
Monday
Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dayton WA
 46.31°N 118.01°W (Elev. 1601 ft)
Last Update:
9:46 am PDT Oct 3, 2026
Forecast Valid:
10am PDT Oct 3, 2026-6pm PDT Oct 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation