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.

Overcast

63°F

17°C

Humidity 55%
Wind Speed SW 11 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Apr 04:35 PM PDT
Extended Forecast for

6 Miles WNW West Richland WA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 67. Southwest wind around 9 mph.

    High: 67 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind 13 to 16 mph becoming northwest in the evening. Winds could gust as high as 24 mph.

    Low: 49 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 65. West wind 16 to 21 mph, with gusts as high as 30 mph.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. West wind 14 to 20 mph, with gusts as high as 29 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 34 mph.

    High: 58 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: A 50 percent chance of rain. Snow level 2900 feet lowering to 2100 feet. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Snow level 2500 feet lowering to 1300 feet after midnight . Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 67. Southwest wind around 9 mph.
Tonight
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49. Southwest wind 13 to 16 mph becoming northwest in the evening. Winds could gust as high as 24 mph.
Monday
Mostly sunny, with a high near 65. West wind 16 to 21 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 41. West wind 14 to 20 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, with a high near 58. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 34 mph.
Tuesday Night
A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 43. Breezy.
Wednesday
A 50 percent chance of rain. Snow level 2900 feet lowering to 2100 feet. Partly sunny, with a high near 55.
Wednesday Night
A 20 percent chance of rain before 11pm. Snow level 2500 feet lowering to 1300 feet after midnight . Mostly cloudy, with a low around 35.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 39.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW West Richland WA
 46.36°N 119.51°W (Elev. 1122 ft)
Last Update:
3:01 pm PDT Apr 12, 2026
Forecast Valid:
4pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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