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

Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mist

46°F

8°C

Humidity 100%
Wind Speed WNW 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 46°F (8°C)
Visibility 5.00 mi
Last update 15 Oct 04:35 AM PDT
Extended Forecast for

4 Miles NNE Hillsboro OR

  • Today

    Today: Sunny, with a high near 78. Calm wind becoming east around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78. Calm wind.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A 20 percent chance of rain before 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66. Calm wind.

    High: 66 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 11am. Mostly cloudy, with a high near 61.

    High: 61 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 78. Calm wind becoming east around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 50. Light and variable wind.
Friday
Mostly sunny, with a high near 78. Calm wind.
Friday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 48. Calm wind.
Saturday
A 20 percent chance of rain before 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66. Calm wind.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 39.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
A slight chance of rain after 11am. Mostly cloudy, with a high near 61.
Monday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Areas of fog. Otherwise, mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Hillsboro OR
 45.58°N 122.9°W (Elev. 200 ft)
Last Update:
4:41 am PDT Oct 15, 2026
Forecast Valid:
4am PDT Oct 15, 2026-6pm PDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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