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 93%
Wind Speed N 0 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Apr 12:05 AM PDT
Extended Forecast for

Kennewick WA

  • Overnight

    Overnight: A 30 percent chance of rain. Mostly cloudy, with a low around 52. South wind around 5 mph.

    Low: 52 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 8am, then a chance of rain after 2pm. Partly sunny, with a high near 70. Southwest wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 70 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 65 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth 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 63.

    High: 63 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45.

    Low: 45 °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, mainly after 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a low around 52. South wind around 5 mph.
Saturday
A chance of rain before 8am, then a chance of rain after 2pm. Partly sunny, with a high near 70. Southwest wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 48. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 18 mph.
Sunday
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain before 11am. Partly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 37.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 62.
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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 10, 2026
Forecast Valid:
12am PDT Apr 11, 2026-6pm PDT Apr 17, 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