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

57°F

14°C

Humidity 58%
Wind Speed WSW 12 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 15 May 03:20 PM PDT
Extended Forecast for

4 Miles NNW Cedar Hills OR

  • This Afternoon

    This Afternoon: A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 59. West southwest wind around 13 mph, with gusts as high as 23 mph.

    High: 59 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Rain and thunderstorms likely before 4am, then a chance of rain between 4am and 5am. Mostly cloudy, with a low around 44. Southwest wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: Rain and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 59. Southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. West northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 22 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 59. West southwest wind around 13 mph, with gusts as high as 23 mph.
Tonight
Rain and thunderstorms likely before 4am, then a chance of rain between 4am and 5am. Mostly cloudy, with a low around 44. Southwest wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Saturday
Rain and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 59. Southwest wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 41. West northwest wind 6 to 11 mph becoming light west after midnight. Winds could gust as high as 22 mph.
Sunday
Partly sunny, with a high near 65. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Cedar Hills OR
 45.55°N 122.83°W (Elev. 269 ft)
Last Update:
2:42 pm PDT May 15, 2026
Forecast Valid:
3pm PDT May 15, 2026-6pm PDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation