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

45°F

7°C

Humidity 87%
Wind Speed S 5 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 20 Apr 12:20 AM PDT
Extended Forecast for

Hermiston OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 46. Light southeast wind.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Northeast wind around 6 mph becoming southwest in the evening.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 74. West wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 74 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 47. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 70%.

    High: 57 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

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

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 46. Light southeast wind.
Monday
Partly sunny, with a high near 79. Light and variable wind.
Monday Night
Partly cloudy, with a low around 50. Northeast wind around 6 mph becoming southwest in the evening.
Tuesday
Partly sunny, with a high near 74. West wind 6 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 47. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 43. Breezy.
Thursday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 68.
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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:
11:46 pm PDT Apr 19, 2026
Forecast Valid:
12am PDT Apr 20, 2026-6pm PDT Apr 26, 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