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

37°F

3°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 18 Apr 07:35 AM PDT
Extended Forecast for

Hermiston OR

  • Today

    Today: Areas of frost before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 71 °F

    Areas Frost
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northeast wind 5 to 8 mph becoming southeast after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Northeast wind 5 to 9 mph becoming light and variable after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80. Calm wind.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °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 chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance Rain

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 40. Northeast wind 5 to 8 mph becoming southeast after midnight.
Sunday
Partly sunny, with a high near 76. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 45. Northeast wind 5 to 9 mph becoming light and variable after midnight.
Monday
Partly sunny, with a high near 80. Calm wind.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 77.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 61.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Thursday
A slight chance of rain. Partly sunny, with a high near 61.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.84°N 119.25°W (Elev. 548 ft)
Last Update:
4:01 am PDT Apr 18, 2026
Forecast Valid:
7am 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