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

57°F

14°C

Humidity 87%
Wind Speed NNW 5 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Sep 11:20 AM PDT
Extended Forecast for

Kelso WA

  • Today

    Today: Sunny, with a high near 79. North wind 6 to 8 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Northwest wind 3 to 7 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, then gradual clearing during the afternoon, with a high near 74. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 74 °F

    Clearing Late

  • Monday Night

    Monday Night: Increasing clouds, with a low around 54. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 72 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 49.

    Low: 49 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain, mainly after 11am. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 79. North wind 6 to 8 mph.
Tonight
Increasing clouds, with a low around 53. Northwest wind 3 to 7 mph.
Monday
Cloudy, then gradual clearing during the afternoon, with a high near 74. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 54. West northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 72. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 49.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 66.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 50.
Friday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 63.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.12°N 122.91°W (Elev. 52 ft)
Last Update:
11:27 am PDT Sep 20, 2026
Forecast Valid:
11am PDT Sep 20, 2026-6pm PDT Sep 26, 2026
 
Forecast Discussion
 
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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