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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Mist

41°F

5°C

Humidity 100%
Wind Speed NW 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 41°F (5°C)
Visibility 6.00 mi
Last update 22 Nov 06:53 PM PST
Extended Forecast for

Hillsboro OR

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after midnight. Patchy fog. Otherwise, cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Rain, mainly before 2pm. High near 49. South southeast wind around 6 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain then
    Rain Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 34. West northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 50 percent chance of rain. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain, mainly after 10am. Cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain likely. Cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

  • Wednesday Night

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

    Low: 45 °F

    Rain Likely

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after midnight. Patchy fog. Otherwise, cloudy, with a low around 40. Calm wind.
Sunday
Rain, mainly before 2pm. High near 49. South southeast wind around 6 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 50 percent chance of rain. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 34. West northwest wind around 5 mph becoming calm in the evening.
Monday
A 50 percent chance of rain. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 48. Calm wind.
Monday Night
Mostly cloudy, with a low around 34. Calm wind.
Tuesday
A 50 percent chance of rain, mainly after 10am. Cloudy, with a high near 47.
Tuesday Night
Rain. Low around 40. Chance of precipitation is 80%.
Wednesday
Rain likely. Cloudy, with a high near 53.
Wednesday Night
Rain likely. Cloudy, with a low around 45.
Thanksgiving Day
Rain likely, mainly before 10am. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43.
Friday
Rain likely. Mostly cloudy, with a high near 53.
Friday Night
Rain likely. Mostly cloudy, with a low around 37.
Saturday
A chance of rain. Mostly cloudy, with a high near 50.
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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:
6:46 pm PST Nov 22, 2025
Forecast Valid:
7pm PST Nov 22, 2025-6pm PST Nov 29, 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