Hillsboro

Thurston County, Oregon, United States

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

13°

Clear

Feels Like: 13°

Min:

Max: 27°

The next few hours will be clear, with today reaching 27°C and dropping to 8°C. The coming days will be mostly cloudy

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

13° 12° 12° 12° 11° 11° 13° 18° 21° 23° 24° 25° 26° 27° 27° 27° 27° 12° 11° 10° 10°
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
Today
Tomorrow

Daylight Hours

06:58

Sunrise

19:13

Sunset

12 hours 14 minutes of sunlight today

Moon

Waxing Crescent

13:21

Moonrise

21:03

Moonset

Daily Forecast

Today

27°

Thursday

19°

Friday

15°

Saturday

15°

Sunday

16°

Monday

15°

Tuesday

16°

Wednesday

16°

Thursday

21°

Friday

14°
18°

Air Quality Data Available

Upgrade to access real-time air quality data for Hillsboro.

UV Index

No protection needed
0 Low
Low Extreme

Humidity

85% Humid
Low High

Weather in Hillsboro today, September 16, 2026

Plan for bright conditions in Hillsboro on September 16, 2026, though cloud cover thickens for a spell near 23:00. The day as a whole still leans toward sunshine. The opening hours look fair, as cloud stays near 0% around 02:00. Morning errands should face fewer weather interruptions.

The temperature range runs from about 9°C up to 27°C. Relative humidity sits between 29% and 93%, reaching its peak around 22:00. Expect gentle winds, highest near 13:00 at 6.1 km/h.

Expect a more open afternoon, with limited cloud around 37% by 23:00. Residual damp risk should be lower than earlier. Visibility stays near 16.1 km. Sunrise is at 06:58 and sunset at 19:13, giving 12 hours 14 minutes of sunlight today.

Overall, Hillsboro on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 27°C.

Frequently asked questions about weather in Hillsboro

How warm does it get in Hillsboro?

The warmest month in Hillsboro is August, with average high temperatures of 29°C. The average temperature during this period is around 21°C.

How cold does it get in Hillsboro?

The coldest month in Hillsboro is February, with average low temperatures of 2°C. The average temperature during this period is around 5°C.

What is the wettest time of year in Hillsboro?

The wettest month in Hillsboro is December, with an average of 199mm of precipitation.

What is the driest time of year in Hillsboro?

The driest month in Hillsboro is July, with an average of 5mm of precipitation.

View full climate insights for Hillsboro →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)