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

Sunnyside Municipal Airport (K1S5)

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

haze

64°F

18°C

Humidity 46%
Wind Speed N 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Last update 17 Oct 01:55 PM PDT
Extended Forecast for

4 Miles SSE Grandview WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. West wind around 5 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. West wind around 5 mph becoming calm after midnight.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. West wind around 5 mph.
Tonight
Partly cloudy, with a low around 38. West wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 66. Calm wind.
Sunday Night
Mostly cloudy, with a low around 40. Calm wind.
Monday
Mostly cloudy, with a high near 65. Calm wind.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Grandview WA
 46.19°N 119.87°W (Elev. 682 ft)
Last Update:
1:11 pm PDT Oct 17, 2026
Forecast Valid:
2pm PDT Oct 17, 2026-6pm PDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation