Oregon · NWS PQR office

Hillsboro, OR weather

It is 50°F and partly cloudy at Portland-Hillsboro Airport as of Oct 27, 7:53 PM PDT. Tonight: Light Rain, low near 41°F, 91% chance of precipitation. Forecast from the National Weather Service, issued Oct 27, 10:41 PM PDT.

Updated Oct 27, 11:18 PM PDT (snapshot)

Current conditions

Temperature

50°F

Partly Cloudy

Wind

S 6 mph

Humidity 76% · dew point 43°F

Pressure · visibility

30.04 inHg

Visibility 10 mi

Observed at Portland-Hillsboro Airport (KHIO), Oct 27, 7:53 PM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Hillsboro forecast zone right now.

Around the NWS PQR forecast area

No active alerts in zones served by the PQR office near Hillsboro.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. No alerts are active anywhere in Oregon.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Hillsboro (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM46°FLight Rain84%SSW 9 mph
Wed 12 AM46°FLight Rain91%SSW 12 mph
Wed 1 AM46°FLight Rain87%SSW 13 mph
Wed 2 AM46°FLight Rain Likely68%S 12 mph
Wed 3 AM46°FLight Rain Likely67%S 10 mph
Wed 4 AM44°FLight Rain Likely61%SSW 7 mph
Wed 5 AM44°FLight Rain77%SSW 6 mph
Wed 6 AM44°FLight Rain86%S 5 mph
Wed 7 AM42°FLight Rain Likely66%SSW 3 mph
Wed 8 AM43°FChance Light Rain50%SSW 2 mph
Wed 9 AM44°FLight Rain Likely66%S 3 mph
Wed 10 AM48°FLight Rain Likely55%SSW 3 mph
Wed 11 AM50°FLight Rain78%SSW 5 mph
Wed 12 PM53°FLight Rain Likely68%SW 6 mph
Wed 1 PM54°FChance Light Rain54%WSW 6 mph
Wed 2 PM54°FChance Light Rain53%WSW 6 mph
Wed 3 PM55°FLight Rain Likely65%WSW 6 mph
Wed 4 PM54°FChance Light Rain46%WSW 5 mph
Wed 5 PM54°FChance Light Rain30%SW 2 mph
Wed 6 PM52°FMostly Cloudy14%SW 2 mph
Wed 7 PM48°FMostly Cloudy2%SW 2 mph
Wed 8 PM46°FPartly Cloudy2% 0 mph
Wed 9 PM44°FPatchy Fog7% 0 mph
Wed 10 PM43°FAreas Of Fog11% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Hillsboro can differ.

7-day forecast

Tonight

Low 41°F

Rain. Cloudy. Low around 41, with temperatures rising to around 44 overnight. South southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

Wednesday

High 56°F·Low 37°F

Rain. Mostly cloudy. High near 56, with temperatures falling to around 54 in the afternoon. Southwest wind 2 to 6 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

Wednesday Night: Areas of fog between 9pm and 3am, then areas of fog and a slight chance of rain. Mostly cloudy. Low around 37, with temperatures rising to around 39 overnight. West northwest wind around 2 mph. Chance of precipitation is 20%.

Thursday

High 55°F·Low 37°F

Rain likely and areas of fog. Mostly cloudy, with a high near 55. North northeast wind around 1 mph. Chance of precipitation is 60%.

Thursday Night: Rain likely before 9pm, then rain likely and patchy fog between 9pm and midnight, then areas of fog and a chance of rain. Mostly cloudy, with a low around 37. Wind around 0 mph. Chance of precipitation is 60%.

Friday

High 55°F·Low 34°F

Areas of fog and a chance of rain before 5pm. Partly sunny, with a high near 55. Chance of precipitation is 30%.

Friday Night: Mostly cloudy, with a low around 34.

Saturday

High 56°F·Low 36°F

A slight chance of rain after 5pm. Partly sunny, with a high near 56.

Saturday Night: A slight chance of rain before 4am. Mostly cloudy, with a low around 36.

Sunday

High 57°F·Low 35°F

Partly sunny, with a high near 57.

Sunday Night: Partly cloudy, with a low around 35.

Monday

High 60°F·Low 37°F

Partly sunny, with a high near 60.

Monday Night: Mostly cloudy, with a low around 37.

Tuesday

High 61°F

A slight chance of rain after 5pm. Partly sunny, with a high near 61.

Nearby cities

Larger cities in the area

Other cities in Washington County

See every city we cover in Oregon, or check all active alerts.

About this forecast

Forecast office
Hillsboro is served by the National Weather Service PQR forecast office, forecast zone ORZ109, county zone ORC067.
Location used
The Census Bureau's internal point for Hillsboro (45.5268, -122.9354), in Washington County. Population: 110,337 (2024 estimate), number 5 of the 30 Oregon cities on this site.
Radar
Nearest NWS radar: KRTX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/45.5268,-122.9354 (forecast issued Oct 27, 10:41 PM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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