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

Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Mostly Cloudy

52°F

11°C

Humidity 76%
Wind Speed SW 5 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 25 Mar 02:00 AM PDT
Extended Forecast for

Hermiston OR

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a low around 44. Southwest wind around 7 mph.

    Low: 44 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 59. Southwest wind 7 to 17 mph, with gusts as high as 26 mph.

    High: 59 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 56. Southwest wind 5 to 7 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Light and variable wind becoming east around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 44. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 59. Southwest wind 7 to 17 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind 9 to 16 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 56. Southwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 31. Light and variable wind becoming east around 5 mph.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
A slight chance of rain. Partly sunny, with a high near 59.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.83°N 119.28°W (Elev. 499 ft)
Last Update:
1:45 am PDT Mar 25, 2026
Forecast Valid:
2am PDT Mar 25, 2026-6pm PDT Mar 31, 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