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

Severe Thunderstorms and Heavy Rainfall Today from the Central Plains into the Tennessee Valley

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into portions of the Southeast today. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys today. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

83°F

28°C

Humidity 25%
Wind Speed SW 10 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 11 Jul 07:53 PM PDT
Extended Forecast for

Hermiston OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Southwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 86. Southwest wind 5 to 9 mph becoming light and variable in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Calm wind.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. Calm wind becoming southwest around 5 mph after midnight.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 59. Southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 86. Southwest wind 5 to 9 mph becoming light and variable in the afternoon.
Sunday Night
Mostly cloudy, with a low around 58. Light and variable wind.
Monday
Mostly sunny, with a high near 93. Calm wind.
Monday Night
Mostly cloudy, with a low around 62. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
Mostly sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 91.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.85°N 119.32°W (Elev. 459 ft)
Last Update:
3:00 pm PDT Jul 11, 2026
Forecast Valid:
8pm PDT Jul 11, 2026-6pm PDT Jul 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation