Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Clear
64°F
18°C
| Humidity | 39% |
| Wind Speed | SE 8 MPH |
| Barometer | 29.77 in (1008.13 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 25 May 11:20 AM PDT |
Extended Forecast for
8 Miles WNW Delta Park OR
Memorial Day
High: 64 °F
Showers
Tonight
Low: 48 °F
Showers
LikelyTuesday
High: 66 °F
Chance
ShowersTuesday Night
Low: 49 °F
Mostly Cloudy
Wednesday
High: 76 °F
Partly Sunny
Wednesday Night
Low: 52 °F
Partly Cloudy
Thursday
High: 79 °F
Mostly Sunny
Thursday Night
Low: 52 °F
Partly Cloudy
Friday
High: 66 °F
Mostly Cloudy
Detailed Forecast
Memorial Day
Rain before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 64. South southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 48. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers, mainly between 2pm and 5pm. Partly sunny, with a high near 66. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 49. North northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 76. Calm wind becoming north 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly cloudy, with a high near 66.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
A slight chance of rain. Mostly sunny, with a high near 70.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
8 Miles WNW Delta Park OR
45.65°N 122.83°W (Elev. 108 ft)
45.65°N 122.83°W (Elev. 108 ft)
11:28 am PDT May 25, 2026
11am PDT May 25, 2026-6pm PDT May 31, 2026
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