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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

42°F

6°C

Humidity 82%
Wind Speed SSE 4 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 18 Oct 02:53 AM PDT
Extended Forecast for

4 Miles SSW Hermiston OR

  • Overnight

    Overnight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 39. Light and variable wind.

    Low: 39 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy, with a high near 63. Light and variable wind.

    High: 63 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 37. Calm wind.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 39. Light and variable wind.
Monday
Cloudy, with a high near 63. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 38. Light and variable wind.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
A slight chance of showers. Mostly sunny, with a high near 66.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Hermiston OR
 45.78°N 119.33°W (Elev. 512 ft)
Last Update:
11:46 pm PDT Oct 17, 2026
Forecast Valid:
3am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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