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

50°F

10°C

Humidity 87%
Wind Speed S 9 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 06 Dec 05:20 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: Showers likely. Mostly cloudy, with a low around 45. South southwest wind around 8 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 54. Southwest wind 8 to 10 mph. Chance of precipitation is 80%.

    High: 54 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 10pm, then rain, mainly after midnight. Low around 45. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance
    Showers then
    Rain

  • Sunday

    Sunday: Rain. High near 56. South southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °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 quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Monday

    Monday: Rain. High near 57. Breezy. Chance of precipitation is 100%.

    High: 57 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 48. Breezy. Chance of precipitation is 100%.

    Low: 48 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain. Cloudy, with a high near 56.

    High: 56 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 45. South southwest wind around 8 mph. Chance of precipitation is 70%.
Saturday
Showers. High near 54. Southwest wind 8 to 10 mph. Chance of precipitation is 80%.
Saturday Night
A chance of showers before 10pm, then rain, mainly after midnight. Low around 45. South southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 56. South southwest wind 9 to 13 mph, with gusts as high as 20 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 quarter and half of an inch possible.
Monday
Rain. High near 57. Breezy. Chance of precipitation is 100%.
Monday Night
Rain. Low around 48. Breezy. Chance of precipitation is 100%.
Tuesday
Rain. Cloudy, with a high near 56.
Tuesday Night
Rain. Cloudy, with a low around 49.
Wednesday
Rain. Cloudy, with a high near 58.
Wednesday Night
Rain. Cloudy, with a low around 48.
Thursday
Rain likely. Mostly cloudy, with a high near 56.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 46.
Friday
A chance of rain. Mostly cloudy, with a high near 55.
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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:
4:41 am PST Dec 6, 2025
Forecast Valid:
5am PST Dec 6, 2025-6pm PST Dec 12, 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