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.

Mostly Cloudy

64°F

18°C

Humidity 48%
Wind Speed E 5 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 26 May 04:20 PM PDT
Extended Forecast for

Richland WA

  • Tonight

    Tonight: A slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 57. West wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers. Mostly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 87. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 57. Light and variable wind.
Thursday
Mostly sunny, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 57. West wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Friday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Richland WA
 46.29°N 119.28°W (Elev. 361 ft)
Last Update:
3:01 pm PDT May 26, 2026
Forecast Valid:
4pm PDT May 26, 2026-6pm PDT Jun 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation