Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

45°F

7°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 04 Sep 04:35 AM PDT
Extended Forecast for

Hermiston OR

  • Overnight

    Overnight: A 30 percent chance of showers.  Mostly cloudy, with a low around 48. Light southwest wind.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers before 11am.  Mostly sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 8pm.  Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers

  • Labor Day

    Labor Day: A 40 percent chance of showers, mainly before 11am.  Mostly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 48. Light southwest wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 74. Light and variable wind.
Friday Night
Mostly clear, with a low around 46. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 40 percent chance of showers before 11am. Mostly sunny, with a high near 73. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 46. Light and variable wind.
Sunday
Partly sunny, with a high near 76.
Sunday Night
A chance of showers, with thunderstorms also possible after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Labor Day
A 40 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.83°N 119.28°W (Elev. 499 ft)
4:01 am PDT Sep 4, 2026
4am PDT Sep 4, 2026-6pm PDT Sep 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database