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

Southwest Washington Regional Airport (KKLS)

Lat: 46.11553°NLon: 122.89273°WElev: 13.0ft.

Overcast

66°F

19°C

Humidity 82%
Wind Speed WNW 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 12 Aug 09:35 AM PDT
Extended Forecast for

Kelso WA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 75. West northwest wind 3 to 7 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 55. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Patchy smoke after 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 82 °F

    Partly Sunny
    then Patchy
    Smoke

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 56. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 82 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm. Increasing clouds, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 81.

    High: 81 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 55.

    Low: 55 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 75. West northwest wind 3 to 7 mph.
Tonight
Increasing clouds, with a low around 55. West northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Patchy smoke after 1pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 56. Northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers before 11pm. Increasing clouds, with a low around 55.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 81.
Saturday Night
Increasing clouds, with a low around 55.
Sunday
Partly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
A slight chance of rain. Partly sunny, with a high near 83.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Tuesday
A slight chance of rain. Partly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.13°N 122.88°W (Elev. 400 ft)
Last Update:
9:41 am PDT Aug 12, 2026
Forecast Valid:
9am PDT Aug 12, 2026-6pm PDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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