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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Overcast

48°F

9°C

Humidity 100%
Wind Speed SE 9 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 07 Dec 05:00 AM PST
Extended Forecast for

Hillsboro OR

Flood Watch December 8, 04:00am until December 12, 04:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Rain. Low around 46. South southeast wind around 9 mph. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Sunday

    Sunday: Rain, mainly after 4pm. High near 56. South southwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 48. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain Likely

  • Monday

    Monday: Rain. High near 58. Breezy, with a south wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 58 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 46. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 46 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain. High near 54. Chance of precipitation is 100%.

    High: 54 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 47. Chance of precipitation is 100%.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 57.

    High: 57 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

Detailed Forecast

Overnight
Rain. Low around 46. South southeast wind around 9 mph. Chance of precipitation is 90%.
Sunday
Rain, mainly after 4pm. High near 56. South southwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 48. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 58. Breezy, with a south wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain. Low around 46. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Rain. High near 54. Chance of precipitation is 100%.
Tuesday Night
Rain. Low around 47. Chance of precipitation is 100%.
Wednesday
Rain. Cloudy, with a high near 57.
Wednesday Night
Rain. Cloudy, with a low around 45.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
A slight chance of rain. Mostly cloudy, with a high near 56.
Friday Night
A chance of rain. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Mostly cloudy, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.55°N 122.96°W (Elev. 194 ft)
Last Update:
4:41 am PST Dec 7, 2025
Forecast Valid:
5am PST Dec 7, 2025-6pm PST Dec 13, 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