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.

Partly Cloudy

70°F

21°C

Humidity 32%
Wind Speed SSW 14 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 11 Apr 06:20 PM PDT
Extended Forecast for

Kennewick WA

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Southwest wind 5 to 9 mph becoming light after midnight.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain Likely

  • Monday

    Monday: A 30 percent chance of rain before 11am. Partly sunny, with a high near 65. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 65 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Southwest wind 5 to 9 mph becoming light after midnight.
Sunday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 64. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 30 percent chance of rain before 11am. Partly sunny, with a high near 65. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 43. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 67.
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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:
3:01 pm PDT Apr 11, 2026
Forecast Valid:
6pm PDT Apr 11, 2026-6pm PDT Apr 18, 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