Current conditions at

Sunnyside Municipal Airport (K1S5)

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

Clear

60°F

16°C

Humidity 90%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Aug 03:35 AM PDT
Extended Forecast for

Zillah WA

  • Overnight

    Overnight: Partly cloudy, with a low around 58. Northwest wind 3 to 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Patchy smoke after 2pm. Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Mostly Sunny
    then Patchy
    Smoke

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Calm wind becoming northwest 5 to 7 mph in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. West wind 3 to 5 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. Northwest wind 3 to 5 mph.
Monday
Patchy smoke after 2pm. Sunny, with a high near 94. Light and variable wind.
Monday Night
Mostly clear, with a low around 59. Calm wind becoming northwest 5 to 7 mph in the evening.
Tuesday
Sunny, with a high near 93. West wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 56. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 94.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Zillah WA
 46.4°N 120.27°W (Elev. 797 ft)
3:01 am PDT Aug 17, 2026
3am PDT Aug 17, 2026-6pm PDT Aug 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database