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

51°F

11°C

Humidity 89%
Wind Speed SSE 9 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 48°F (9°C)
Visibility 8.00 mi
Last update 22 Apr 12:56 PM PDT
Extended Forecast for

Kelso WA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 57. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Chance Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 64 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Light north wind increasing to 5 to 10 mph in the afternoon.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 57. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Light north wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 69.
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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:
12:40 pm PDT Apr 22, 2026
Forecast Valid:
1pm PDT Apr 22, 2026-6pm PDT Apr 28, 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