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

46°F

8°C

Humidity 88%
Wind Speed SSE 6 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 21 Apr 01:53 AM PDT
Extended Forecast for

Hermiston OR

  • Overnight

    Overnight: Partly cloudy, with a low around 50. Southwest wind around 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 74. West wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 74 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Rain and thunderstorms likely, then rain after 11pm. Low around 47. Southwest wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 57. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 42. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 38 mph.

    Low: 42 °F

    Slight Chance
    Rain and
    Breezy then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain before 11am. Mostly sunny, with a high near 63.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

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

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. Southwest wind around 6 mph.
Tuesday
A slight chance of rain between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 74. West wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and thunderstorms likely, then rain after 11pm. Low around 47. Southwest wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 57. Breezy, with a southwest wind 17 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 42. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 38 mph.
Thursday
A 20 percent chance of rain before 11am. Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 70.
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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 20, 2026
Forecast Valid:
2am PDT Apr 21, 2026-6pm PDT Apr 27, 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