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

86°F

30°C

Humidity 30%
Wind Speed WNW 3 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Aug 01:35 PM PDT
Extended Forecast for

Hermiston OR

Red Flag Warning August 18, 12:00pm until August 18, 10:00pm
Click here for hazard details and duration
Red Flag Warning

  • This Afternoon

    This Afternoon: Patchy smoke after 2pm. Mostly sunny, with a high near 93. Northwest wind 3 to 5 mph.

    High: 93 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Southwest wind 3 to 8 mph.

    Low: 63 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 94. West wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. West wind 5 to 8 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 93.

    High: 93 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Patchy smoke after 2pm. Mostly sunny, with a high near 93. Northwest wind 3 to 5 mph.
Tonight
Patchy smoke before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Southwest wind 3 to 8 mph.
Tuesday
Sunny, with a high near 94. West wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 60. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 92. West wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 93.
Friday Night
Mostly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 87.
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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:
11:46 am PDT Aug 17, 2026
Forecast Valid:
1pm PDT Aug 17, 2026-6pm PDT Aug 23, 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