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

36°F

2°C

Humidity 86%
Wind Speed NW 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 18 Apr 05:20 AM PDT
Extended Forecast for

Wallula WA

  • Today

    Today: Partly sunny, with a high near 67. North wind 3 to 8 mph.

    High: 67 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. North wind 5 to 9 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 73. Light and variable wind becoming north 5 to 9 mph in the morning.

    High: 73 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Northeast wind 5 to 10 mph becoming light and variable after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 51. Breezy. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 58. Breezy. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely
    and Breezy

Detailed Forecast

Today
Partly sunny, with a high near 67. North wind 3 to 8 mph.
Tonight
Partly cloudy, with a low around 46. North wind 5 to 9 mph.
Sunday
Partly sunny, with a high near 73. Light and variable wind becoming north 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 51. Northeast wind 5 to 10 mph becoming light and variable after midnight.
Monday
Partly sunny, with a high near 77. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 76.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 51. Breezy. Chance of precipitation is 50%.
Wednesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 58. Breezy. Chance of precipitation is 60%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 47. Breezy.
Thursday
A chance of rain. Mostly cloudy, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wallula WA
 46.07°N 118.91°W (Elev. 338 ft)
Last Update:
4:01 am PDT Apr 18, 2026
Forecast Valid:
5am PDT Apr 18, 2026-6pm PDT Apr 24, 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