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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Overcast

70°F

21°C

Humidity 46%
Wind Speed SSW 12 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 25 Jul 11:20 PM PDT
Extended Forecast for

Hermiston OR

  • Tonight

    Tonight: Clear, with a low around 61. South wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Patchy smoke after 11am. Sunny, with a high near 91. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 91 °F

    Patchy Smoke

  • Sunday Night

    Sunday Night: Patchy smoke before 8pm. Mostly clear, with a low around 60. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 60 °F

    Patchy Smoke
    then Mostly
    Clear

  • Monday

    Monday: Patchy smoke after 11am. Sunny, with a high near 91. South wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph.

    High: 91 °F

    Patchy Smoke

  • Monday Night

    Monday Night: Areas of smoke before 8pm. Clear, with a low around 61. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Areas Smoke
    then Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 61. South wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday
Patchy smoke after 11am. Sunny, with a high near 91. West wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Patchy smoke before 8pm. Mostly clear, with a low around 60. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday
Patchy smoke after 11am. Sunny, with a high near 91. South wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Areas of smoke before 8pm. Clear, with a low around 61. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 90.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 62.
Saturday
Sunny, with a high near 90.
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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:
11:32 pm PDT Jul 25, 2026
Forecast Valid:
11pm PDT Jul 25, 2026-6pm PDT Aug 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation