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

50°F

10°C

Humidity 71%
Wind Speed NNW 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 18 Apr 08:35 PM PDT
Extended Forecast for

Kennewick WA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. West wind 3 to 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Light and variable wind becoming north 5 to 7 mph in the morning.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. North wind around 6 mph becoming light and variable in the evening.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. North wind around 5 mph becoming light and variable.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. West wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 76. Light and variable wind becoming north 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 49. North wind around 6 mph becoming light and variable in the evening.
Monday
Partly sunny, with a high near 81. Light and variable wind.
Monday Night
Partly cloudy, with a low around 54. North wind around 5 mph becoming light and variable.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Wednesday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Thursday
A chance of rain, mainly before 11am. Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 69.
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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:
8:36 pm PDT Apr 18, 2026
Forecast Valid:
8pm PDT Apr 18, 2026-6pm PDT Apr 25, 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