Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Clear

78°F

26°C

Humidity 33%
Wind Speed SW 6 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 11:53 AM PDT
Extended Forecast for

Hermiston OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. West wind around 7 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Southwest wind around 6 mph.

    Low: 62 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 89. West wind 6 to 8 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Southwest wind 7 to 9 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. West wind around 6 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. West wind around 7 mph.
Tonight
Mostly cloudy, with a low around 62. Southwest wind around 6 mph.
Monday
Sunny, with a high near 89. West wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 60. Southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 90. West wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 91.
Thursday Night
Clear, with a low around 58.
Friday
Sunny, with a high near 96.
Friday Night
Clear, with a low around 60.
Saturday
Sunny and hot, with a high near 98.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.83°N 119.28°W (Elev. 499 ft)
10:15 am PDT Aug 17, 2025
12pm PDT Aug 17, 2025-6pm PDT Aug 23, 2025
 
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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