Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Portland-Hillsboro Airport (KHIO)

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

Partly Cloudy

52°F

11°C

Humidity	50%
Wind Speed	NNW 8 MPH
Barometer	30.29 in (1025.74 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	21 Mar 06:53 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles E Hillsboro OR

Tonight
Low: 33 °F
Mostly Clear
then Areas
Frost
Sunday
High: 59 °F
Frost then
Mostly Sunny
Sunday Night
Low: 37 °F
Mostly Cloudy
Monday
High: 58 °F
Partly Sunny
Monday Night
Low: 46 °F
Chance
Showers
Tuesday
High: 58 °F
Showers
Tuesday Night
Low: 42 °F
Rain then
Chance Rain
Wednesday
High: 57 °F
Rain
Wednesday Night
Low: 36 °F
Chance Rain

Detailed Forecast

Tonight

Areas of frost after 2am. Otherwise, mostly clear, with a low around 33. Light north northwest wind.

Sunday

Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming north around 6 mph in the afternoon.

Sunday Night

Mostly cloudy, with a low around 37. North northwest wind 3 to 7 mph.

Monday

Partly sunny, with a high near 58. Calm wind.

Monday Night

A 40 percent chance of showers after 11pm. Cloudy, with a low around 46. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Showers. High near 58. Chance of precipitation is 100%.

Tuesday Night

Rain, mainly before 11pm. Low around 42. Chance of precipitation is 80%.

Wednesday

Rain, mainly after 11am. Mostly cloudy, with a high near 57.

Wednesday Night

A chance of rain, mainly before 11pm. Snow level 3300 feet lowering to 1900 feet after midnight . Partly cloudy, with a low around 36.

Thursday

A slight chance of rain after 11am. Snow level 1600 feet rising to 2700 feet in the afternoon. Mostly sunny, with a high near 58.

Thursday Night

Mostly clear, with a low around 36.