Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

61°F

16°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 04 Sep 07:20 PM PDT
Extended Forecast for

4 Miles ENE Hillsboro OR

  • Tonight

    Tonight: A 20 percent chance of showers between 3am and 4am.  Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 4pm.  Areas of fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind.  Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    T-storms and
    Areas Fog

  • Saturday Night

    Saturday Night: A 20 percent chance of showers between 3am and 4am.  Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Patchy fog between 8am and 9am.  Otherwise, mostly sunny, with a high near 74.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 77.

    High: 77 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers between 3am and 4am. Mostly cloudy, with a low around 51. Calm wind.
Saturday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 4pm. Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers between 3am and 4am. Mostly cloudy, with a low around 52. Calm wind.
Sunday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 74. Calm wind.
Sunday Night
Partly cloudy, with a low around 53. Calm wind.
Labor Day
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Friday
A chance of rain. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Hillsboro OR
 45.56°N 122.87°W (Elev. 200 ft)
6:41 pm PDT Sep 4, 2026
7pm PDT Sep 4, 2026-6pm PDT Sep 11, 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