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.

Partly Cloudy

54°F

12°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 May 09:50 PM PDT
Extended Forecast for

Kelso WA

  • Tonight

    Tonight: Increasing clouds, with a low around 46. West northwest wind around 5 mph becoming calm after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 70. Light northwest wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 70 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 46. West northwest wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 20 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 69 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49. Northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 49 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 46. West northwest wind around 5 mph becoming calm after midnight.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 70. Light northwest wind becoming west northwest 5 to 10 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 46. West northwest wind 5 to 10 mph becoming light northwest in the evening. Winds could gust as high as 20 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 49. Northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
A slight chance of rain. Partly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kelso WA
 46.1°N 122.9°W (Elev. 95 ft)
Last Update:
9:41 pm PDT May 17, 2026
Forecast Valid:
10pm PDT May 17, 2026-6pm PDT May 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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