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

Air Quality Concerns; Fire Weather; Extreme Heat; Severe Thunderstorms and Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and flash flooding possible for the Southeast through today. Strong to severe thunderstorms for the Southern Plains with severe wind gusts and large hail possible. Read More >

Current conditions at

Hermiston, Hermiston Municipal Airport (KHRI)

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

Rain

64°F

18°C

Humidity 55%
Wind Speed WSW 12 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 04 Aug 09:30 AM PDT
Extended Forecast for

Umatilla OR

  • Today

    Today: Mostly cloudy early, then gradual clearing, with a high near 85. Southwest wind around 14 mph, with gusts as high as 23 mph.

    High: 85 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 59. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 88. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 88 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 85. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 85 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy early, then gradual clearing, with a high near 85. Southwest wind around 14 mph, with gusts as high as 23 mph.
Tonight
Increasing clouds, with a low around 59. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 88. West wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 85. Southwest wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Umatilla OR
 45.91°N 119.33°W (Elev. 400 ft)
Last Update:
9:45 am PDT Aug 4, 2025
Forecast Valid:
9am PDT Aug 4, 2025-6pm PDT Aug 10, 2025
 
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