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 71%
Wind Speed SSW 12 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 26 May 03:20 AM PDT
Extended Forecast for

Kennewick WA

  • Overnight

    Overnight: A 30 percent chance of showers. Cloudy, with a steady temperature around 54. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 11am. Cloudy, with a high near 68. Southwest wind 5 to 9 mph becoming north in the afternoon.

    High: 68 °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 5 to 7 mph.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. South wind around 5 mph becoming calm in the morning.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58. North wind around 5 mph becoming south in the evening.

    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
A 30 percent chance of showers. Cloudy, with a steady temperature around 54. Southwest wind 11 to 13 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers before 11am. Cloudy, with a high near 68. Southwest wind 5 to 9 mph becoming north 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 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 84. South wind around 5 mph becoming calm in the morning.
Wednesday Night
Partly cloudy, with a low around 58. North wind around 5 mph becoming south in the evening.
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 75.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 83.
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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 May 25, 2026
Forecast Valid:
3am 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