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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

50°F

10°C

Humidity 46%
Wind Speed SW 16 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 12 Jan 09:20 AM PST
Extended Forecast for

Kennewick WA

  • Today

    Today: Partly sunny, with a high near 56. Southwest wind around 9 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South wind 5 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 41. Calm wind.

    High: 41 °F

    Patchy Fog

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 56. Southwest wind around 9 mph.
Tonight
Partly cloudy, with a low around 39. South wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 52. Calm wind.
Tuesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 35. Calm wind.
Wednesday
Patchy fog before 1pm. Otherwise, mostly sunny, with a high near 41. Calm wind.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 41.
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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:
9:15 am PST Jan 12, 2026
Forecast Valid:
9am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation