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

63°F

17°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Aug 03:30 AM PDT
Extended Forecast for

Kelso WA

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Cloudy, with a low around 61. Light southeast wind.

    Low: 61 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 75 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Northwest wind 6 to 9 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Patchy smoke after 1pm. Sunny, with a high near 86. North wind around 9 mph.

    High: 86 °F

    Sunny then
    Patchy Smoke

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. North wind 5 to 9 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 59.

    Low: 59 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 77.

    High: 77 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Cloudy, with a low around 61. Light southeast wind.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 59. Northwest wind 6 to 9 mph.
Monday
Patchy smoke after 1pm. Sunny, with a high near 86. North wind around 9 mph.
Monday Night
Mostly clear, with a low around 61. North wind 5 to 9 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Increasing clouds, with a low around 59.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Increasing clouds, with a low around 55.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 55.
Saturday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.12°N 122.91°W (Elev. 52 ft)
Last Update:
3:41 am PDT Aug 23, 2026
Forecast Valid:
3am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
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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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation