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

43°F

6°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.61 in (1002.71 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 12 Apr 02:55 AM PDT
Extended Forecast for

Kennewick WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 5pm. Mostly cloudy, with a high near 65. 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: 65 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 20 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: Partly sunny, with a high near 67. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. Southwest wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Partly sunny, with a high near 57. Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Calm wind.
Sunday
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 65. 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 8pm. Mostly cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Partly sunny, with a high near 67. Southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 44. Southwest wind 13 to 16 mph, with gusts as high as 28 mph.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46.
Wednesday
Rain likely, mainly before 11am. Partly sunny, with a high near 57. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 62.
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:
11:46 pm PDT Apr 11, 2026
Forecast Valid:
3am PDT Apr 12, 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