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.

Partly Cloudy

77°F

25°C

Humidity 23%
Wind Speed SW 3 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 25 Jun 08:20 PM PDT
Extended Forecast for

Umatilla OR

Red Flag Warning June 25, 08:42pm until June 25, 09:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning June 25, 08:42pm until June 25, 09:00pm

    NOW until 9:00pm Thu

    Red Flag Warning

  • Tonight

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 79. West wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. Southwest wind 14 to 21 mph, with gusts as high as 32 mph.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 73. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 73 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Breezy.

    High: 76 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Tonight
A 50 percent chance of showers after 11pm. Cloudy, with a low around 55. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 79. West wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 51. Southwest wind 14 to 21 mph, with gusts as high as 32 mph.
Saturday
Mostly cloudy, with a high near 73. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 49. Southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Sunday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 74.
Sunday Night
Mostly cloudy, with a low around 49. Breezy.
Monday
Mostly sunny, with a high near 76. Breezy.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 81.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Umatilla OR
 45.92°N 119.3°W (Elev. 400 ft)
Last Update:
3:01 pm PDT Jun 25, 2026
Forecast Valid:
8pm PDT Jun 25, 2026-6pm PDT Jul 2, 2026
 
Forecast Discussion
 
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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