Dangerous Heat and Heavy Rainfall into the Weekend
Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >
Current conditions at
Hermiston, Hermiston Municipal Airport (KHRI)
Lat: 45.82583°NLon: 119.26111°WElev: 636.0ft.
Clear
57°F
14°C
| Humidity | 71% |
| Wind Speed | SE 4 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 18 Sep 11:20 PM PDT |
Extended Forecast for
2 Miles ENE Umatilla OR
Tonight
Low: 52 °F
Mostly Clear
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 52 °F
Mostly Clear
Sunday
High: 84 °F
Sunny
Sunday Night
Low: 53 °F
Clear
Monday
High: 85 °F
Sunny
Monday Night
Low: 54 °F
Partly Cloudy
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 52. Calm wind.
Saturday
Sunny, with a high near 81. Calm wind.
Saturday Night
Mostly clear, with a low around 52. Calm wind.
Sunday
Sunny, with a high near 84. Calm wind.
Sunday Night
Clear, with a low around 53. Light north wind.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Umatilla OR
45.92°N 119.27°W (Elev. 417 ft)
45.92°N 119.27°W (Elev. 417 ft)
9:27 pm PDT Sep 18, 2026
11pm PDT Sep 18, 2026-6pm PDT Sep 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
