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

90°F

32°C

Humidity 31%
Wind Speed N 11 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Aug 03:35 PM PDT
Extended Forecast for

Kennewick WA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Patchy smoke. Sunny, with a high near 90. Northeast wind around 5 mph.

    High: 90 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy smoke after 2am. Increasing clouds, with a low around 65. North wind around 6 mph becoming southwest after midnight.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Smoke

  • Sunday

    Sunday: Patchy smoke. Cloudy through mid morning, then gradual clearing, with a high near 91. South wind around 5 mph becoming calm in the morning.

    High: 91 °F

    Patchy Smoke

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 66. Southwest wind 3 to 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. Southwest wind around 5 mph becoming calm in the morning.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Patchy smoke. Sunny, with a high near 90. Northeast wind around 5 mph.
Tonight
Patchy smoke after 2am. Increasing clouds, with a low around 65. North wind around 6 mph becoming southwest after midnight.
Sunday
Patchy smoke. Cloudy through mid morning, then gradual clearing, with a high near 91. South wind around 5 mph becoming calm in the morning.
Sunday Night
Mostly cloudy, with a low around 66. Southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 92. Southwest wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 65.
Friday
Mostly sunny, with a high near 92.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 65.
Saturday
A slight chance of showers. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.19°N 119.19°W (Elev. 663 ft)
Last Update:
3:00 pm PDT Aug 15, 2026
Forecast Valid:
3pm PDT Aug 15, 2026-6pm PDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation