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

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

55°F

13°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 05 Oct 12:53 AM PDT
Extended Forecast for

Hillsboro OR

  • Overnight

    Overnight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Light northwest wind.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 77. Light north wind.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50. North wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Calm wind.
Monday
Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 53. Light northwest wind.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 77. Light north wind.
Tuesday Night
Clear, with a low around 50. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Clear, with a low around 52.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 53.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillsboro OR
 45.53°N 122.92°W (Elev. 200 ft)
Last Update:
12:41 am PDT Oct 5, 2026
Forecast Valid:
1am PDT Oct 5, 2026-6pm PDT Oct 11, 2026
 
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