Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Clear

37°F

3°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 18 Oct 08:35 AM PDT
Extended Forecast for

18 Miles NW West Richland WA

  • Today

    Today: Sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. West wind around 5 mph becoming calm  after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, with a high near 64. Light and variable wind.

    High: 64 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Calm wind becoming north around 6 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 11am.  Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 65. Calm wind becoming north around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 42. West wind around 5 mph becoming calm after midnight.
Monday
Cloudy, with a high near 64. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 40. Calm wind.
Tuesday
Mostly sunny, with a high near 69. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 68.
Thursday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NW West Richland WA
 46.52°N 119.68°W (Elev. 673 ft)
4:01 am PDT Oct 18, 2026
8am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
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Additional Resources

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