
Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.
Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >
Current conditions at
Portland-Hillsboro Airport (KHIO)
Lat: 45.54765°NLon: 122.95568°WElev: 194.0ft.
Rain
46°F
8°C
| Humidity | 93% |
| Wind Speed | S 5 MPH |
| Barometer | 29.78 in (1008.47 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 7.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 06 Jan 08:20 PM PST |
Extended Forecast for
Hillsboro OR
Tonight
Low: 37 °F
Rain Likely
then Slight
Chance RainWednesday

High: 44 °F
Rain
Wednesday Night

Low: 32 °F
Rain
Thursday

High: 46 °F
Rain
Thursday Night

Low: 36 °F
Chance Rain
Friday

High: 48 °F
Partly Sunny
Friday Night

Low: 34 °F
Mostly Cloudy
then Patchy
FrostSaturday

High: 48 °F
Slight Chance
RainSaturday Night

Low: 38 °F
Chance Rain
Detailed Forecast
Tonight
Rain likely before 4am, then a slight chance of rain after 5am. Increasing clouds, with a low around 37. South southwest wind 5 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly after 9am. Snow level 2100 feet. High near 44. South wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Snow level 1500 feet. Low around 32. West southwest wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before 4pm. Snow level 1800 feet rising to 3000 feet in the afternoon. High near 46. South southwest wind 5 to 8 mph. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 36. South wind around 6 mph.
Friday
Partly sunny, with a high near 48.
Friday Night
Patchy frost after midnight. Otherwise, mostly cloudy, with a low around 34.
Saturday
A slight chance of rain after 10am. Mostly cloudy, with a high near 48.
Saturday Night
A chance of rain. Cloudy, with a low around 38.
Sunday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 49.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Monday
A slight chance of rain. Mostly cloudy, with a high near 51.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 52.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hillsboro OR
45.55°N 122.96°W (Elev. 194 ft)
45.55°N 122.96°W (Elev. 194 ft)
8:25 pm PST Jan 6, 2026
8pm PST Jan 6, 2026-6pm PST Jan 13, 2026


