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

73°F

23°C

Humidity 23%
Wind Speed ENE 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 09 Apr 02:20 PM PDT
Extended Forecast for

Kennewick WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. Northeast wind around 8 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Northeast wind 5 to 8 mph becoming northwest in the evening.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70. West wind 3 to 6 mph.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 52. Southwest wind around 6 mph.

    Low: 52 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 11am. Partly sunny, with a high near 69.

    High: 69 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. Northeast wind around 8 mph.
Tonight
Partly cloudy, with a low around 45. Northeast wind 5 to 8 mph becoming northwest in the evening.
Friday
Partly sunny, with a high near 70. West wind 3 to 6 mph.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 52. Southwest wind around 6 mph.
Saturday
A chance of rain before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 72. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 49.
Sunday
A 30 percent chance of rain after 11am. Partly sunny, with a high near 69.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Partly sunny, with a high near 60.
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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 am PDT Apr 9, 2026
Forecast Valid:
2pm PDT Apr 9, 2026-6pm PDT Apr 15, 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