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

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

79°F

26°C

Humidity 16%
Wind Speed NNE 9 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 21 May 04:15 PM PDT
Extended Forecast for

Umatilla OR

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Light and variable wind.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 45. Breezy.

    Low: 45 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 53. Light and variable wind.
Saturday
Sunny, with a high near 86. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 53. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 53.
Memorial Day
Partly sunny, with a high near 76.
Monday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 45. Breezy.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 46.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 73.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Thursday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Umatilla OR
 45.91°N 119.33°W (Elev. 400 ft)
Last Update:
3:01 pm PDT May 21, 2026
Forecast Valid:
4pm PDT May 21, 2026-6pm PDT May 28, 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