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

Portland-Hillsboro Airport (KHIO)

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

Overcast

47°F

8°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 02 Nov 01:53 AM PDT
Extended Forecast for

4 Miles SE Hillsboro OR

  • Overnight

    Overnight: A 40 percent chance of rain before 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 46. Northeast wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain, mainly after 4pm. High near 55. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance Rain
    then Rain

  • Monday Night

    Monday Night: Rain. Low around 46. East wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 51. Chance of precipitation is 100%.

    Low: 51 °F

    Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 60. Breezy.

    High: 60 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 50.

    Low: 50 °F

    Rain

Detailed Forecast

Overnight
A 40 percent chance of rain before 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 57. Light and variable wind.
Sunday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 46. Northeast wind around 6 mph.
Monday
Rain, mainly after 4pm. High near 55. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 46. East wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 51. Chance of precipitation is 100%.
Wednesday
Rain. Cloudy, with a high near 60. Breezy.
Wednesday Night
Rain. Cloudy, with a low around 50.
Thursday
Rain. Cloudy, with a high near 59.
Thursday Night
Rain. Cloudy, with a low around 49.
Friday
Rain. Cloudy, with a high near 58.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Hillsboro OR
 45.5°N 122.88°W (Elev. 200 ft)
Last Update:
1:55 am PDT Nov 2, 2025
Forecast Valid:
1am PDT Nov 2, 2025-6pm PST Nov 8, 2025
 
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