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

68°F

20°C

Humidity 32%
Wind Speed NNE 8 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Apr 03:00 PM PDT
Extended Forecast for

Richland WA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. North wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. North wind 3 to 7 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49. North wind 3 to 7 mph.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 82. Light north wind.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming light and variable.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then rain likely after 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. North wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 77. North wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 49. North wind 3 to 7 mph.
Monday
Partly sunny, with a high near 82. Light north wind.
Monday Night
Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming light and variable.
Tuesday
Partly sunny, with a high near 80.
Tuesday Night
A chance of showers and thunderstorms, then rain likely after 11pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain, mainly before 11am. Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Richland WA
 46.3°N 119.31°W (Elev. 400 ft)
Last Update:
2:57 pm PDT Apr 18, 2026
Forecast Valid:
3pm PDT Apr 18, 2026-6pm PDT Apr 25, 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