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

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.

Fog

39°F

4°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 37°F (3°C)
Visibility 0.25 mi
Last update 27 Feb 10:20 AM PST
Extended Forecast for

4 Miles E Farmington OR

Dense Fog Advisory February 27, 10:34am until February 27, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory February 27, 10:34am until February 27, 12:00pm

    NOW until 12:00pm Fri

    Dense Fog Advisory

  • Today

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy frost after 2am. Otherwise, partly cloudy, with a low around 35. North northwest wind 3 to 6 mph.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Mostly cloudy, with a high near 53. North wind around 5 mph.

    High: 53 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 39. Light north wind.

    Low: 39 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 57. Calm wind.

    High: 57 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 40.

    Low: 40 °F

    Increasing
    Clouds

Detailed Forecast

Today
Mostly sunny, with a high near 54. Calm wind becoming north around 5 mph.
Tonight
Patchy frost after 2am. Otherwise, partly cloudy, with a low around 35. North northwest wind 3 to 6 mph.
Saturday
Mostly cloudy, with a high near 53. North wind around 5 mph.
Saturday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 39. Light north wind.
Sunday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 57. Calm wind.
Sunday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 58.
Monday Night
Increasing clouds, with a low around 40.
Tuesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 57.
Tuesday Night
Rain. Cloudy, with a low around 46.
Wednesday
Rain. Cloudy, with a high near 52.
Wednesday Night
Rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Farmington OR
 45.45°N 122.87°W (Elev. 600 ft)
Last Update:
10:28 am PST Feb 27, 2026
Forecast Valid:
10am PST Feb 27, 2026-6pm PST Mar 5, 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