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

48°F

9°C

Humidity 87%
Wind Speed E 3 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 22 May 02:00 AM PDT
Extended Forecast for

Richland WA

  • Overnight

    Overnight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. West wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers after 11am. Partly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Calm wind.
Friday
Sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 56. Light and variable wind.
Saturday
Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 55. West wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly cloudy, with a low around 56.
Memorial Day
A 20 percent chance of showers after 11am. Partly sunny, with a high near 79.
Monday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 70.
Wednesday Night
A slight chance of showers. Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Richland WA
 46.28°N 119.31°W (Elev. 394 ft)
Last Update:
11:46 pm PDT May 21, 2026
Forecast Valid:
2am PDT May 22, 2026-6pm PDT May 28, 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