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

70°F

21°C

Humidity 36%
Wind Speed SW 18 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 21 Apr 04:53 PM PDT
Extended Forecast for

Richland WASimilar City Names

  • This Afternoon

    This Afternoon: A 30 percent chance of rain. Cloudy, with a steady temperature around 76. Southwest wind around 14 mph, with gusts as high as 24 mph.

    High: 76 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 11pm. Low around 50. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Rain

  • Wednesday

    Wednesday: Rain, mainly before 2pm. High near 60. West wind 13 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 60 °F

    Rain

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 45. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain. Mostly sunny, with a high near 65. West wind 7 to 9 mph.

    High: 65 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Cloudy, with a steady temperature around 76. Southwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
Rain, mainly after 11pm. Low around 50. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, mainly before 2pm. High near 60. West wind 13 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 45. Southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 65. West wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Richland WASimilar City Names
 46.29°N 119.28°W (Elev. 361 ft)
Last Update:
3:01 pm PDT Apr 21, 2026
Forecast Valid:
5pm PDT Apr 21, 2026-6pm PDT Apr 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