Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

53°F

12°C

Humidity 76%
Wind Speed SSE 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 02 Mar 06:53 PM PST
Extended Forecast for

2 Miles WSW Hillsboro OR

  • Tonight

    Tonight: Patchy fog after 9pm.  Otherwise, increasing clouds, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Tuesday

    Tuesday: Rain likely, mainly after 2pm.  Patchy fog before 7am.  Otherwise, mostly cloudy, with a high near 56. Calm wind becoming south southwest around 6 mph in the morning.  Chance of precipitation is 70%.

    High: 56 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain.  Low around 47. South wind 5 to 7 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 53. West southwest wind 3 to 6 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers.  Low around 41. Light west southwest wind.  Chance of precipitation is 90%.

    Low: 41 °F

    Showers

  • Thursday

    Thursday: Rain.  High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely.  Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Friday

    Friday: A chance of rain.  Cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, increasing clouds, with a low around 45. Calm wind.
Tuesday
Rain likely, mainly after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 47. South wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 53. West southwest wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers. Low around 41. Light west southwest wind. Chance of precipitation is 90%.
Thursday
Rain. High near 51. Chance of precipitation is 80%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
A chance of rain. Cloudy, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45.
Saturday
A chance of rain. Mostly cloudy, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 45.
Sunday
A chance of rain. Mostly cloudy, with a high near 57.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41.
Monday
Rain likely. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
6:41 pm PST Mar 2, 2026
7pm PST Mar 2, 2026-6pm PDT Mar 9, 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