National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

45°F

7°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Last update 17 Oct 05:35 AM PDT
Extended Forecast for

Wallula WA

  • Today

    Today: Mostly sunny, with a high near 67. South wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 61. Calm wind becoming north around 5 mph in the afternoon.

    High: 61 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. South wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Partly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 61. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 46. Light and variable wind.
Monday
Mostly cloudy, with a high near 59. Calm wind.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 57.
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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 Oct 17, 2026
Forecast Valid:
5am PDT Oct 17, 2026-6pm PDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation