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.

Clear

34°F

1°C

Humidity 86%
Wind Speed N 8 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 18 Apr 02:35 AM PDT
Extended Forecast for

Kennewick WA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 43. Light northwest wind.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Northeast wind around 6 mph becoming west after midnight.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. West wind 5 to 7 mph becoming north in the afternoon.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. Northeast wind 3 to 7 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 43. Light northwest wind.
Saturday
Partly sunny, with a high near 71. Calm wind becoming northeast around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 44. Northeast wind around 6 mph becoming west after midnight.
Sunday
Partly sunny, with a high near 77. West wind 5 to 7 mph becoming north in the afternoon.
Sunday Night
Mostly cloudy, with a low around 50. Northeast wind 3 to 7 mph.
Monday
Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Thursday
A chance of rain. Partly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.19°N 119.16°W (Elev. 505 ft)
Last Update:
11:46 pm PDT Apr 17, 2026
Forecast Valid:
2am 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