National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

43°F

6°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Oct 02:00 AM PDT
Extended Forecast for

Kennewick WA

  • Overnight

    Overnight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 45. West wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 63. Light northwest wind.

    High: 63 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Calm wind.
Sunday
Sunny, with a high near 64. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 45. West wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 63. Light northwest wind.
Monday Night
Mostly cloudy, with a low around 44. Calm wind.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
A slight chance of showers before 11am. Mostly sunny, with a high near 66.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 45.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kennewick WA
 46.19°N 119.19°W (Elev. 663 ft)
Last Update:
11:46 pm PDT Oct 17, 2026
Forecast Valid:
2am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation