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

63°F

17°C

Humidity 48%
Wind Speed SSW 4 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 11 Apr 08:00 PM PDT
Extended Forecast for

Richland WA

  • Tonight

    Tonight: Increasing clouds, with a low around 47. West wind 3 to 5 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 50 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind around 9 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: A 30 percent chance of rain before 11am. Partly sunny, with a high near 67. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 67 °F

    Chance Rain
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 47. West wind 3 to 5 mph.
Sunday
A 50 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 66. Calm wind becoming southwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 30 percent chance of rain before 11am. Partly sunny, with a high near 67. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 42. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 61.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 44.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 57.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Richland WA
 46.29°N 119.28°W (Elev. 361 ft)
Last Update:
3:01 pm PDT Apr 11, 2026
Forecast Valid:
8pm PDT Apr 11, 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