Weather forecast for 10 daysRancho Peñasquitos, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 86°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphW 280°
  • Humidity: 26%
  • UV index: 6
  • Sunrise: 6:55 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
Today, in Rancho Peñasquitos, sunny skies are in store, with excellent visibility.
Significant temperature fluctuations from a high of a blazing 86°F to a low of a mild 59°F are forecasted.
Meteorological data shows 86°F is more characteristic of September's climate profile than October's.
Sunrise was at 6:55 am and sunset will be at 6:11 pm; the daylight will last for 11h and 17min.

10-day overview

Daily temperatures

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

Chance of precipitation

Highest chance: Thursday 73%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 86°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphW 280°
  • Humidity: 26%
  • UV index: 6
  • Sunrise: 6:55 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 84°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphWSW 253°
  • Humidity: 45%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 81°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 10mphSW 231°
  • Humidity: 61%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 79°F
  • 59°F
PM Showers
PM Showers
  • Precip. probability: 39%
  • Precipitation: 0.35"
  • Wind: 12mphSSW 201°
  • Humidity: 62%
  • UV index: 6
  • Sunrise: 6:57 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 55°F
Thundershowers
Thundershowers
  • Precip. probability: 73%
  • Precipitation: 0.2"
  • Wind: 11mphSW 227°
  • Humidity: 68%
  • UV index: 5
  • Sunrise: 6:58 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 10mphWNW 293°
  • Humidity: 61%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:06 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 81°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphNW 314°
  • Humidity: 48%
  • UV index: 6
  • Sunrise: 7:00 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 81°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 10mphWNW 290°
  • Humidity: 48%
  • UV index: 5
  • Sunrise: 7:00 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 10mphW 263°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 7:01 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 75°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 10mphWNW 287°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
The next ten days will bring unstable conditions, and a mix of dry and sunny, gloomy, rainy and unstable weather is predicted.
Rain is expected on Wednesday and Thursday.
Expect a substantial fluctuation in daytime highs in the next ten days. Maximum temperatures are forecasted between 69.8°F and 86°F, while fluctuations in the night’s lowest temperature will be minimal, as night temperatures will lie between 55.4°F and 60.8°F.
Today is the hottest day, with a maximum temperature of 86°F; with the highest temperature of 69.8°F, Thursday will be the coldest day.
Updated: Oct 18, 2026 @ 17:05:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, sunny conditions are expected to continue.

Today, the highest temperature will be 86°F, while the lowest temperature will be 59°F.
The highest temperature will be uncommonly higher than the average maximum of 76.1°F in October. The lowest temperature will be in line with the average low of 59.7°F.

On Sunday, in Rancho Peñasquitos, sunrise was at 6:55 am and sunset will be at 6:11 pm (PDT).

In Rancho Peñasquitos, today, there will be 11h and 17min of daylight.