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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Overcast

68°F

20°C

Humidity 32%
Wind Speed WSW 10 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Mar 02:35 PM PDT
Extended Forecast for

Hermiston OR

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 69. Southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 69 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. South wind around 7 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. South wind 7 to 10 mph becoming west in the afternoon.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 47. West wind 6 to 8 mph becoming south after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 75. South wind 6 to 9 mph becoming west in the afternoon.

    High: 75 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 69. Southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 43. South wind around 7 mph.
Wednesday
Partly sunny, with a high near 71. South wind 7 to 10 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 47. West wind 6 to 8 mph becoming south after midnight.
Thursday
Mostly cloudy, with a high near 75. South wind 6 to 9 mph becoming west in the afternoon.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hermiston OR
 45.84°N 119.25°W (Elev. 548 ft)
Last Update:
2:30 pm PDT Mar 17, 2026
Forecast Valid:
2pm PDT Mar 17, 2026-6pm PDT Mar 23, 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