Want to revisit 2025? Here's our year-end climate summary!
Our annual climate summary for Portland has been posted. Additional summaries for Astoria, Eugene, and Salem are available. For other climate summaries, visit our Observed Weather tab on our climate page. Read More >
Hazardous Weather Conditions
Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Clear
25°F
-4°C
| Humidity | 100% |
| Wind Speed | WNW 3 MPH |
| Barometer | 30.23 in (1023.71 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jan 04:20 AM PST |
Extended Forecast for
3 Miles E Hillsboro OR
Air Stagnation Advisory January 21, 04:33am until January 23, 12:00pm
NOW until 12:00pm Fri
Air Stagnation Advisory
Today
High: 49 °F
Frost then
SunnyTonight
Low: 26 °F
Frost
Thursday
High: 46 °F
Frost then
Partly SunnyThursday Night
Low: 27 °F
Frost
Friday
High: 47 °F
Frost then
SunnyFriday Night
Low: 27 °F
Clear then
FrostSaturday
High: 47 °F
Frost then
SunnySaturday Night
Low: 27 °F
Frost
Detailed Forecast
Today
Widespread frost before 10am. Otherwise, sunny, with a high near 49. East northeast wind 3 to 6 mph.
Tonight
Widespread frost, mainly after 9pm. Otherwise, mostly clear, with a low around 26. North northeast wind around 5 mph becoming calm in the evening.
Thursday
Widespread frost before 11am. Otherwise, partly sunny, with a high near 46. Calm wind.
Thursday Night
Widespread frost, mainly after 10pm. Otherwise, partly cloudy, with a low around 27. Calm wind.
Friday
Widespread frost, mainly before 10am. Otherwise, sunny, with a high near 47. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Widespread frost after midnight. Otherwise, clear, with a low around 27.
Saturday
Widespread frost before 10am. Otherwise, sunny, with a high near 47.
Saturday Night
Widespread frost, mainly after 9pm. Otherwise, mostly clear, with a low around 27.
Sunday
Widespread frost before 11am. Otherwise, mostly sunny, with a high near 46.
Sunday Night
A slight chance of snow after 4am. Widespread frost, mainly after 2am. Otherwise, mostly cloudy, with a low around 31.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A slight chance of rain. Areas of frost. Otherwise, partly sunny, with a high near 52.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles E Hillsboro OR
45.52°N 122.85°W (Elev. 200 ft)
45.52°N 122.85°W (Elev. 200 ft)
3:46 am PST Jan 21, 2026
4am PST Jan 21, 2026-6pm PST Jan 27, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
