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

81°F

27°C

Humidity 52%
Wind Speed WNW 9 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Aug 04:56 PM PDT
Extended Forecast for

Kelso WA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 56. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 4am and 5am. Otherwise, increasing clouds, with a low around 56. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 78 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 57.

    Low: 57 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of rain before 11am. Mostly cloudy, with a high near 78.

    High: 78 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: A slight chance of rain before 11pm. Increasing clouds, with a low around 57.

    Low: 57 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 56. West northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tuesday Night
Patchy fog between 4am and 5am. Otherwise, increasing clouds, with a low around 56. West northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 83.
Thursday Night
Increasing clouds, with a low around 57.
Friday
A slight chance of rain before 11am. Mostly cloudy, with a high near 78.
Friday Night
A slight chance of rain before 11pm. Increasing clouds, with a low around 57.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly cloudy, with a high near 76.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.13°N 122.88°W (Elev. 400 ft)
Last Update:
4:41 pm PDT Aug 17, 2026
Forecast Valid:
5pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
 
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Additional Resources

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