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

4 Miles ESE Alderdale WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. Northeast wind around 6 mph.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 78. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. East wind 6 to 8 mph becoming west in the evening.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 72. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 72 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Cloudy, with a low around 49. Southwest wind 14 to 17 mph, with gusts as high as 24 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Slight 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 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. Northeast wind around 6 mph.
Monday
Partly sunny, with a high near 78. Light and variable wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 52. East wind 6 to 8 mph becoming west in the evening.
Tuesday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 72. Southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A 50 percent chance of rain. Cloudy, with a low around 49. Southwest wind 14 to 17 mph, with gusts as high as 24 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 56. Breezy. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 44. 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 43.
Friday
Sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Alderdale WA
 45.85°N 119.81°W (Elev. 335 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

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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