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

Hermiston, Hermiston Municipal Airport (KHRI)

Lat: 45.82583°NLon: 119.26111°WElev: 636.0ft.

Clear

34°F

1°C

Humidity 86%
Wind Speed SSE 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Apr 06:35 AM PDT
Extended Forecast for

4 Miles ESE Alderdale WA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 70. East wind 3 to 6 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 45. North wind 5 to 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. Northeast wind 5 to 9 mph.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Northwest wind 6 to 10 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. Light and variable wind becoming northeast around 6 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 77.

    High: 77 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 70. East wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 45. North wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 74. Northeast wind 5 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 51. Northwest wind 6 to 10 mph.
Monday
Partly sunny, with a high near 78. Light and variable wind becoming northeast around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 77.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 51.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Partly sunny, with a high near 60.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Alderdale WA
 45.85°N 119.81°W (Elev. 335 ft)
Last Update:
4:01 am PDT Apr 18, 2026
Forecast Valid:
6am PDT Apr 18, 2026-6pm PDT Apr 24, 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