Weather forecast for 10 daysPortola Hills, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 86°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphW 264°
  • Humidity: 29%
  • UV index: 6
  • Sunrise: 6:57 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
Today, in Portola Hills, bright and sunny weather is expected.
Day and night temperatures will contrast sharply, from a maximum of a tropical 86°F to a minimum of a moderate 59°F.
The day's peak of 86°F reflects September's seasonal pattern more than October's.
Sunrise was at 6:57 am and sunset will be at 6:13 pm; the daylight will last for 11h and 15min.

10-day overview

Daily temperatures

Warmest day: today 86°C.
Coldest day: Thursday 70°C.

Chance of precipitation

Highest chance: Wednesday - Thursday 67%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 86°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphW 264°
  • Humidity: 29%
  • UV index: 6
  • Sunrise: 6:57 am PDT
  • Sunset: 6:13 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 84°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 209°
  • Humidity: 42%
  • UV index: 6
  • Sunrise: 6:58 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 81°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphS 185°
  • Humidity: 58%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 75°F
  • 57°F
Showers
Showers
  • Precip. probability: 67%
  • Precipitation: 0.55"
  • Wind: 11mphS 169°
  • Humidity: 67%
  • UV index: 5
  • Sunrise: 7:00 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 54°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 67%
  • Precipitation: 0.2"
  • Wind: 9mphSSW 200°
  • Humidity: 74%
  • UV index: 5
  • Sunrise: 7:01 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 72°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphWSW 257°
  • Humidity: 63%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 81°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphNNW 336°
  • Humidity: 46%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphWSW 255°
  • Humidity: 48%
  • UV index: 5
  • Sunrise: 7:03 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 9mphSSW 200°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:04 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 75°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphSW 214°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:05 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
Over the course of the next ten days, expect shifting weather, and a mix of sun-filled, gloomy, rain-soaked and storm-filled weather is predicted.
Rainfall is expected on Wednesday and Thursday.
Substantial differences in temperature are forecasted in the next ten days. Maximum temperatures are forecasted between 69.8°F and 86°F, while the overnight low will be nearly unchanged, as the minimum temperature is expected to range between 53.6°F and 59°F.
The hottest day is today, with a maximum temperature of 86°F; Thursday will be the coldest day, with the highest temperature of 69.8°F.
Updated: Oct 18, 2026 @ 14:51:06 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect consistent sunshine and open skies.

Today, the maximum temperature will be 86°F, while the minimum temperature will be 59°F.
The maximum temperature will be noticeably higher than the average highest temperature of 75.9°F in October. The lowest temperature today will be in line with the average low temperature.

On Sunday, in Portola Hills, sunrise was at 6:57 am and sunset will be at 6:13 pm (PDT).

In Portola Hills, California, today, there will be 11h and 15min of daylight.