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

56°F

13°C

Humidity 52%
Wind Speed NNW 5 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Apr 07:53 PM PDT
Extended Forecast for

4 Miles WNW West Richland WA

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North wind around 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. North wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Northwest wind around 8 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 82. Northeast wind around 7 mph.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Northeast wind around 7 mph becoming west after midnight.

    Low: 54 °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 62. Chance of precipitation is 60%.

    High: 62 °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 45. North wind around 7 mph.
Sunday
Partly sunny, with a high near 77. North wind 7 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 51. Northwest wind around 8 mph.
Monday
Partly sunny, with a high near 82. Northeast wind around 7 mph.
Monday Night
Partly cloudy, with a low around 54. Northeast wind around 7 mph becoming west after midnight.
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 62. 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 70.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW West Richland WA
 46.35°N 119.48°W (Elev. 577 ft)
Last Update:
2:57 pm PDT Apr 18, 2026
Forecast Valid:
8pm 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