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

49°F

9°C

Humidity 68%
Wind Speed SW 13 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 23 Apr 01:53 AM PDT
Extended Forecast for

Kennewick WA

  • Overnight

    Overnight: Partly cloudy, with a low around 45. Southwest wind around 14 mph, with gusts as high as 23 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of rain after 5pm. Mostly sunny, with a high near 64. West wind 9 to 13 mph, with gusts as high as 18 mph.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 8pm. Partly cloudy, with a low around 43. Southwest wind 6 to 8 mph becoming northwest in the evening.

    Low: 43 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 60. West wind 6 to 9 mph becoming northeast in the morning.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Northeast wind 5 to 7 mph becoming light and variable in the evening.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 45. Southwest wind around 14 mph, with gusts as high as 23 mph.
Thursday
A 10 percent chance of rain after 5pm. Mostly sunny, with a high near 64. West wind 9 to 13 mph, with gusts as high as 18 mph.
Thursday Night
A 20 percent chance of rain before 8pm. Partly cloudy, with a low around 43. Southwest wind 6 to 8 mph becoming northwest in the evening.
Friday
Sunny, with a high near 60. West wind 6 to 9 mph becoming northeast in the morning.
Friday Night
Mostly clear, with a low around 37. Northeast wind 5 to 7 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 76.
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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 Apr 22, 2026
Forecast Valid:
2am PDT Apr 23, 2026-6pm PDT Apr 29, 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