Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

N/A

Humidity 87%
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update 10 Mar 07:35 AM PDT
Extended Forecast for

Sunnyside WA

  • Today

    Today: A 10 percent chance of rain after 5pm.  Increasing clouds, with a high near 70. Northeast wind 3 to 5 mph.

    High: 70 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 2am.  Mostly cloudy, with a low around 46. South wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly after 11am.  Partly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 70 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm.  Partly cloudy, with a low around 42. West wind 3 to 7 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am.  Partly sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.

    High: 69 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

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

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
A 10 percent chance of rain after 5pm. Increasing clouds, with a high near 70. Northeast wind 3 to 5 mph.
Tonight
A 40 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 46. South wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of rain, mainly after 11am. Partly sunny, with a high near 70. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 42. West wind 3 to 7 mph.
Sunday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Sunnyside WA
 46.32°N 120°W (Elev. 748 ft)
10:12 am PDT Apr 10, 2026
11am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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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