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

54°F

12°C

Humidity 74%
Wind Speed SW 23 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 22 Apr 03:53 PM PDT
Extended Forecast for

4 Miles SSW Richland WA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain. Mostly cloudy, with a high near 56. Breezy, with a southwest wind around 24 mph, with gusts as high as 30 mph.

    High: 56 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 31 mph.

    Low: 42 °F

    Decreasing
    Clouds and
    Breezy then
    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 61. West wind 11 to 15 mph, with gusts as high as 18 mph.

    High: 61 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. West wind 9 to 11 mph becoming northwest after midnight.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58. Northeast wind 9 to 11 mph.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Mostly cloudy, with a high near 56. Breezy, with a southwest wind around 24 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Breezy, with a southwest wind 17 to 23 mph, with gusts as high as 31 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 61. West wind 11 to 15 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 43. West wind 9 to 11 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 58. Northeast wind 9 to 11 mph.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Richland WA
 46.24°N 119.33°W (Elev. 1398 ft)
Last Update:
2:57 pm PDT Apr 22, 2026
Forecast Valid:
4pm PDT Apr 22, 2026-6pm PDT Apr 29, 2026
 
Forecast Discussion
 
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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