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

47°F

8°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 17 Apr 11:56 PM PDT
Extended Forecast for

Kelso WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 76. Light and variable wind.

    High: 76 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49. Northwest wind around 6 mph becoming calm after midnight.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 65.

    High: 65 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Calm wind.
Saturday
Mostly sunny, with a high near 72. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 47. Calm wind.
Sunday
Mostly cloudy, with a high near 76. Light and variable wind.
Sunday Night
Mostly cloudy, with a low around 49. Northwest wind around 6 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 73.
Monday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 65.
Tuesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 49.
Wednesday
Rain likely. Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A slight chance of rain. Mostly cloudy, with a high near 62.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 69.
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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:
11:41 pm PDT Apr 17, 2026
Forecast Valid:
12am PDT Apr 18, 2026-6pm PDT Apr 24, 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