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.

Clear

50°F

10°C

Humidity 87%
Wind Speed S 6 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 06 Dec 07:00 PM 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

  • Tonight

    Tonight: A chance of showers before 10pm, then rain, mainly after 1am. Steady temperature around 49. South wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance
    Showers then
    Rain

  • Sunday

    Sunday: Rain before 2pm, then rain after 3pm. High near 57. South southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 48. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain. High near 58. Breezy, with a south wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 58 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 47. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 47 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain. High near 54. Chance of precipitation is 90%.

    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 56.

    High: 56 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 47.

    Low: 47 °F

    Rain

Detailed Forecast

Tonight
A chance of showers before 10pm, then rain, mainly after 1am. Steady temperature around 49. South wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain before 2pm, then rain after 3pm. High near 57. South southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 48. South wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 58. Breezy, with a south wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain. Low around 47. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain. High near 54. Chance of precipitation is 90%.
Tuesday Night
Rain. Low around 47. Chance of precipitation is 100%.
Wednesday
Rain. Cloudy, with a high near 56.
Wednesday Night
Rain. Cloudy, with a low around 47.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 56.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
A 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
Tiles ©ESRI

ABOUT THIS FORECAST

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