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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Overcast

39°F

4°C

Humidity 80%
Wind Speed S 4 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 11 Oct 08:15 AM PDT
Extended Forecast for

Hermiston OR

  • Today

    Today: Mostly sunny, with a high near 58. Northwest wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, increasing clouds, with a low around 37. North wind 5 to 7 mph becoming light and variable after midnight.

    Low: 37 °F

    Partly Cloudy
    then Areas
    Frost

  • Columbus Day

    Columbus Day: Areas of frost before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 61. Calm wind.

    High: 61 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 32. Calm wind becoming southeast around 5 mph.

    Low: 32 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 58. Northwest wind 6 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.
Tonight
Areas of frost after 5am. Otherwise, increasing clouds, with a low around 37. North wind 5 to 7 mph becoming light and variable after midnight.
Columbus Day
Areas of frost before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 61. Calm wind.
Monday Night
Clear, with a low around 32. Calm wind becoming southeast around 5 mph.
Tuesday
Sunny, with a high near 67. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 72.
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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:
4:00 am PDT Oct 11, 2026
Forecast Valid:
8am PDT Oct 11, 2026-6pm PDT Oct 17, 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