National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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

11 Miles SE Mattawa WA

  • Today

    Today: Sunny, with a high near 73. Northwest wind around 6 mph becoming northeast in the afternoon.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Northeast wind around 7 mph becoming northwest in the evening.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 75. North wind around 7 mph.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 50. West wind around 6 mph.

    Low: 50 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain. Mostly cloudy, with a high near 70. West wind 5 to 7 mph becoming south in the morning.

    High: 70 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Northwest wind around 6 mph becoming northeast in the afternoon.
Tonight
Mostly clear, with a low around 45. Northeast wind around 7 mph becoming northwest in the evening.
Friday
Partly sunny, with a high near 75. North wind around 7 mph.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 50. West wind around 6 mph.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 70. West wind 5 to 7 mph becoming south in the morning.
Saturday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49.
Sunday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 64.
Sunday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
A slight chance of rain. Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Mattawa WA
 46.64°N 119.74°W (Elev. 400 ft)
Last Update:
4:01 am PDT Apr 9, 2026
Forecast Valid:
6am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation