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

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mostly Cloudy

48°F

9°C

Humidity 61%
Wind Speed WSW 12 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 15 Apr 02:50 PM PDT
Extended Forecast for

2 Miles WSW Hillsboro OR

Frost Advisory April 16, 01:00am until April 16, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers after 2am. Patchy fog after 3am. Snow level 1700 feet. Otherwise, mostly cloudy, with a low around 34. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 34 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers between 1pm and 2pm. Patchy fog before 9am. Areas of frost before 9am. Snow level 2000 feet rising to 3300 feet in the afternoon. Otherwise, mostly sunny, with a high near 57. Light and variable wind. Chance of precipitation is 20%.

    High: 57 °F

    Areas Frost
    and Patchy
    Fog then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. West wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost and
    Patchy Fog

  • Friday

    Friday: Partly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 68.

    High: 68 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers after 2am. Patchy fog after 3am. Snow level 1700 feet. Otherwise, mostly cloudy, with a low around 34. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers between 1pm and 2pm. Patchy fog before 9am. Areas of frost before 9am. Snow level 2000 feet rising to 3300 feet in the afternoon. Otherwise, mostly sunny, with a high near 57. Light and variable wind. Chance of precipitation is 20%.
Thursday Night
Patchy fog after 4am. Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. West wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 60. Calm wind.
Friday Night
Mostly cloudy, with a low around 40. Calm wind.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48.
Sunday
A chance of rain. Mostly cloudy, with a high near 68.
Sunday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 47.
Monday
A slight chance of rain after 11am. Partly sunny, with a high near 70.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Hillsboro OR
 45.52°N 122.98°W (Elev. 161 ft)
Last Update:
7:41 pm PDT Apr 15, 2026
Forecast Valid:
7pm PDT Apr 15, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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