Weather forecast for tomorrowHillsboro, OR

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 66°F
  • 43°F
AM Fog / PM Sun
AM Fog / PM Sun
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 6mphN 357°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:32 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
Tomorrow, on Sunday, fog and low clouds will dominate the morning, but expect clear, sunny skies in the afternoon.
Rainfall is not forecasted. The predicted temperature range extends from a high of a comfortable 66.2°F to a low of a chilly 42.8°F.
Tomorrow's temperature peak is set to be slightly warmer than the typical October high of 61.2°F.
Sunrise will be at 7:32 am and sunset at 6:21 pm; tomorrow's daylight will last for 10h and 49min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 6 am 20%.

Hourly weather forecast

  • 12 am
  • 48°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphNW 313°
  • Humidity: 77%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    45°F
Mostly Clear
Mostly Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphNW 310°
  • Humidity: 84%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphNW 324°
  • Humidity: 91%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    41°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 2mphNNW 330°
  • Humidity: 93%
  • Pressure: 30.15"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
Sunrise: 7:32 am
  • 8 am
  • 41°F
  • Feels like:
    41°F
Foggy
Foggy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 2mphNNW 335°
  • Humidity: 95%
  • Pressure: 30.15"Hg
  • Visibility: 0mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphN 353°
  • Humidity: 76%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphNNE 26°
  • Humidity: 55%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 63°F
  • Feels like:
    63°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphN 355°
  • Humidity: 41%
  • Pressure: 30"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphN 352°
  • Humidity: 36%
  • Pressure: 29.97"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphN 6°
  • Humidity: 44%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:21 pm
  • 8 pm
  • 55°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNW 321°
  • Humidity: 56%
  • Pressure: 29.94"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    50°F
Cloudy
Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphWNW 286°
  • Humidity: 67%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, on Sunday, weather will be unstable, and a combination of primarily cloud-filled and occasionally mostly clear, fog-covered and wet weather is forecasted.
The temperature will be between the lowest temperature of 41°F and the highest temperature of 66.2°F. The warmest part of the day will be around 4 pm.
The high will be moderately higher than the normal maximum of 61.2°F for October. The temperature low is forecasted to be also alike with the usual October value of 45.1°F.
Updated: Oct 17, 2026 @ 12:54:53 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, fog and low clouds will linger through the morning, clearing in time for a bright afternoon.

No, it will not rain tomorrow.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 42.8°F.
Tomorrow, the maximum temperature will be moderately higher than the average highest temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Hillsboro, sunrise will be at 7:32 am and sunset at 6:21 pm (PDT).

In Hillsboro, tomorrow, there will be 10h and 49min of daylight.