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

Hazardous Weather Conditions

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

39°C

102°F

Humidity 17%
Wind Speed SW 5 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 11°C (51°F)
Visibility 16 km
Heat Index37°C (99°F)
Last update 13 Jul 04:30 PM PDT
Extended Forecast for

Hermiston OR

Heat Advisory July 13, 04:50pm until July 14, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 13, 04:50pm until July 14, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Tonight

    Low: 21 °C

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 37. West wind 11 to 16 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 42 km/h.

    High: 37 °C

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. West wind 22 to 27 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 45 km/h.

    Low: 17 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. West wind 13 to 23 km/h becoming north in the afternoon. Winds could gust as high as 37 km/h.

    High: 31 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. North wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 39 km/h.

    Low: 16 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 33.

    High: 33 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 17.

    Low: 17 °C

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 37.

    High: 37 °C

    Hot

Detailed Forecast

Tonight
Clear, with a low around 21. West wind 11 to 16 km/h becoming southwest after midnight. Winds could gust as high as 29 km/h.
Monday
Sunny and hot, with a high near 37. West wind 11 to 16 km/h increasing to 21 to 26 km/h in the afternoon. Winds could gust as high as 42 km/h.
Monday Night
Mostly clear, with a low around 17. West wind 22 to 27 km/h decreasing to 16 to 21 km/h after midnight. Winds could gust as high as 45 km/h.
Tuesday
Sunny, with a high near 31. West wind 13 to 23 km/h becoming north in the afternoon. Winds could gust as high as 37 km/h.
Tuesday Night
Mostly clear, with a low around 16. North wind 18 to 23 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 39 km/h.
Wednesday
Sunny, with a high near 33.
Wednesday Night
Clear, with a low around 17.
Thursday
Sunny and hot, with a high near 37.
Thursday Night
Clear, with a low around 19.
Friday
Sunny and hot, with a high near 37.
Friday Night
Mostly clear, with a low around 20.
Saturday
Sunny, with a high near 36.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.83°N 119.28°W (Elev. 499 m)
Last Update:
4:15 pm PDT Jul 13, 2025
Forecast Valid:
4pm PDT Jul 13, 2025-6pm PDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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