National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Mostly Cloudy

61°F

16°C

Humidity 36%
Wind Speed W 18 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 May 08:20 PM PDT
Extended Forecast for

Kennewick WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Southwest wind around 18 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 64. Breezy, with a west wind 15 to 22 mph, with gusts as high as 29 mph.

    High: 64 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 68. Southwest wind 7 to 10 mph becoming northwest in the afternoon.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. North wind around 6 mph becoming south in the evening.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Southwest wind around 18 mph, with gusts as high as 28 mph.
Saturday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 64. Breezy, with a west wind 15 to 22 mph, with gusts as high as 29 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 68. Southwest wind 7 to 10 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 46. North wind around 6 mph becoming south in the evening.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.19°N 119.19°W (Elev. 663 ft)
Last Update:
3:01 pm PDT May 15, 2026
Forecast Valid:
8pm PDT May 15, 2026-6pm PDT May 22, 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