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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.

Mostly Cloudy

39°F

4°C

Humidity 80%
Wind Speed NNE 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 18 Oct 03:35 AM PDT
Extended Forecast for

2 Miles NNE Grandview WA

  • Overnight

    Overnight: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy frost before 11am. Otherwise, sunny, with a high near 65. Calm wind.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 39. Calm wind.

    Low: 39 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Cloudy

  • Monday Night

    Monday Night: Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Cloudy then
    Patchy Frost

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 67.

    High: 67 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °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 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 36. Calm wind.
Sunday
Patchy frost before 11am. Otherwise, sunny, with a high near 65. Calm wind.
Sunday Night
Increasing clouds, with a low around 39. Calm wind.
Monday
Cloudy, with a high near 63. Calm wind.
Monday Night
Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Tuesday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A slight chance of showers. Mostly sunny, with a high near 67.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 37.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A slight chance of showers. Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Grandview WA
 46.27°N 119.9°W (Elev. 837 ft)
Last Update:
11:46 pm PDT Oct 17, 2026
Forecast Valid:
3am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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