Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through Monday. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mist

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 39°F (4°C)
Visibility 2.50 mi
Last update 02 Feb 12:10 AM PST
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Overnight

    Overnight: A slight chance of showers between 3am and 4am, then a slight chance of rain after 4am.  Patchy fog.  Otherwise, mostly cloudy, with a low around 41. Calm wind.  Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A 50 percent chance of rain, mainly before 1pm.  Patchy fog before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Patchy fog before 9pm, then patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers between 3am and 4am, then a slight chance of rain after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Calm wind. Chance of precipitation is 20%.
Monday
A 50 percent chance of rain, mainly before 1pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 52. Calm wind.
Monday Night
Patchy fog before 9pm, then patchy fog after 10pm. Otherwise, partly cloudy, with a low around 39. Calm wind.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 58. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 39. Calm wind.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 57.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 40.
Saturday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 55.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
11:41 pm PST Feb 1, 2026
12am PST Feb 2, 2026-6pm PST Feb 8, 2026
 
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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