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 42%
Wind Speed SW 17 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 13 Apr 10:20 AM PDT
Extended Forecast for

4 Miles S Richland WA

  • Today

    Today: Mostly sunny, with a high near 66. Southwest wind around 18 mph, with gusts as high as 28 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Southwest wind 13 to 17 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 2pm. Increasing clouds, with a high near 61. Southwest wind 14 to 21 mph, with gusts as high as 30 mph.

    High: 61 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 11pm. Cloudy, with a low around 47. Southwest wind around 18 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 56. West wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 11pm. Snow level 2500 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. Southwest wind around 18 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 42. Southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of rain after 2pm. Increasing clouds, with a high near 61. Southwest wind 14 to 21 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of rain after 11pm. Cloudy, with a low around 47. Southwest wind around 18 mph, with gusts as high as 30 mph.
Wednesday
Rain. High near 56. West wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of rain before 11pm. Snow level 2500 feet lowering to 1400 feet after midnight . Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Mostly cloudy, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Richland WA
 46.24°N 119.3°W (Elev. 568 ft)
Last Update:
10:18 am PDT Apr 13, 2026
Forecast Valid:
10am PDT Apr 13, 2026-6pm PDT Apr 19, 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