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

88°F

31°C

Humidity 25%
Wind Speed SE 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 19 Aug 02:15 PM PDT
Extended Forecast for

Kennewick WA

  • This Afternoon

    This Afternoon: Partly sunny early, then becoming sunny, with a high near 93. West wind around 6 mph.

    High: 93 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Light and variable wind.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy smoke between 8pm and 11pm. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 96. Calm wind becoming north around 5 mph in the afternoon.

    High: 96 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 92.

    High: 92 °F

    Slight Chance
    T-storms then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny early, then becoming sunny, with a high near 93. West wind around 6 mph.
Tonight
Mostly clear, with a low around 64. Calm wind.
Thursday
Sunny, with a high near 96. Light and variable wind.
Thursday Night
Patchy smoke between 8pm and 11pm. Partly cloudy, with a low around 67. Calm wind.
Friday
Partly sunny, with a high near 96. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 69.
Saturday
A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Mostly sunny, with a high near 92.
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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:
1:52 pm PDT Aug 19, 2026
Forecast Valid:
2pm PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

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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