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.

Clear

72°F

22°C

Humidity 55%
Wind Speed SW 4 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Sep 04:56 PM PDT
Extended Forecast for

Kelso WA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 51. West wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 51. North northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 80 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 51. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog between 2am and 5am. Otherwise, increasing clouds, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, increasing clouds, with a low around 51. West wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 79. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 51. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 80. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 51. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 76.
Monday Night
Patchy fog between 2am and 5am. Otherwise, increasing clouds, with a low around 52.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 75.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Friday
A slight chance of rain. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.15°N 122.89°W (Elev. 194 ft)
Last Update:
4:41 pm PDT Sep 18, 2026
Forecast Valid:
5pm PDT Sep 18, 2026-6pm PDT Sep 25, 2026
 
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Additional Resources

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