Heavy to Excessive Rainfall for the Southwest;

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

55°F

13°C

Humidity 54%
Wind Speed SSW 3 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 08 Oct 10:35 PM PDT
Extended Forecast for

Hermiston OR

  • Tonight

    Tonight: Partly cloudy, with a low around 44. South wind 3 to 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 74. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 47. North wind around 5 mph becoming light and variable.

    Low: 47 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 11pm.  Partly cloudy, with a low around 47. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 11am.  Mostly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers.  Partly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers.  Mostly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. South wind 3 to 5 mph.
Thursday
Sunny, with a high near 74. Light and variable wind becoming west around 6 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 47. North wind around 5 mph becoming light and variable.
Friday
A 20 percent chance of showers before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Friday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 47. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of showers, mainly after 11am. Mostly sunny, with a high near 65.
Saturday Night
A 40 percent chance of showers. Partly cloudy, with a low around 44.
Sunday
A 40 percent chance of showers. Mostly sunny, with a high near 61.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40.
Columbus Day
A chance of showers. Partly sunny, with a high near 59.
Monday Night
A chance of showers. Partly cloudy, with a low around 37.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 58.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 38.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.83°N 119.28°W (Elev. 499 ft)
10:32 pm PDT Oct 8, 2025
10pm PDT Oct 8, 2025-6pm PDT Oct 15, 2025
 
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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