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.

Overcast

55°F

13°C

Humidity 66%
Wind Speed SSE 4 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 26 May 01:35 AM PDT
Extended Forecast for

Kennewick WA

  • Overnight

    Overnight: Showers likely, mainly before 2am. Cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers before 11am. Cloudy, with a high near 69. Southwest wind 5 to 7 mph becoming southeast in the afternoon.

    High: 69 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 51. South wind 3 to 6 mph.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly before 2am. Cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of showers before 11am. Cloudy, with a high near 69. Southwest wind 5 to 7 mph becoming southeast in the afternoon.
Tuesday Night
A 40 percent chance of showers, mainly between 11pm and 2am. Mostly cloudy, with a low around 51. South wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 84. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 58. Light and variable wind.
Thursday
A slight chance of showers between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.22°N 119.16°W (Elev. 446 ft)
Last Update:
11:46 pm PDT May 25, 2026
Forecast Valid:
1am PDT May 26, 2026-6pm PDT Jun 1, 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