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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Clear

66°F

19°C

Humidity 45%
Wind Speed W 4 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 17 Oct 03:35 PM PDT
Extended Forecast for

Kelso WA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 66. Northwest wind around 6 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light north wind.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 64. North wind 5 to 8 mph.

    High: 64 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. North wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 62. Calm wind.

    High: 62 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 66. Northwest wind around 6 mph.
Tonight
Mostly clear, with a low around 41. Light north wind.
Sunday
Increasing clouds, with a high near 64. North wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 43. North wind around 5 mph becoming calm in the evening.
Monday
Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 62. Calm wind.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Clear, with a low around 39.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
A slight chance of rain. Partly sunny, with a high near 63.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
A slight chance of rain. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.15°N 122.89°W (Elev. 194 ft)
Last Update:
3:41 pm PDT Oct 17, 2026
Forecast Valid:
3pm PDT Oct 17, 2026-6pm PDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation