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

Areas of Heavy Rainfall and Heat Early This Week

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and lower Mississippi River Valley today into Thursday. Rainfall totals of 5 to 10 inches are expected. Hot temperatures may cause heat illnesses over central and northern California and the Pacific Northwest through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Clear

88°F

31°C

Humidity 29%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Jun 11:53 AM PDT
Extended Forecast for

6 Miles NE Hillsboro OR

Extreme Heat Warning June 15, 08:06pm until June 16, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 15, 08:06pm until June 16, 12:00am

    NOW until 12:00am Tue

    Extreme Heat Warning

  • Tonight

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. Light north wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 50. Northwest wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 79 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. North northwest wind 6 to 9 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. North northwest wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 80. Light north wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Increasing clouds, with a low around 50. Northwest wind 8 to 13 mph becoming light north northwest after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming north northwest 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 53. North northwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 59.
Juneteenth
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 89.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Hillsboro OR
 45.6°N 122.88°W (Elev. 400 ft)
Last Update:
7:40 pm PDT Jun 15, 2026
Forecast Valid:
8pm PDT Jun 15, 2026-6pm PDT Jun 22, 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