Weather forecast for 10 daysTierrasanta, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 88°F
  • 61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphNNW 330°
  • Humidity: 32%
  • UV index: 6
  • Sunrise: 6:55 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
Today, on Sunday, October 18, bright and sunny weather is expected.
Temperatures are forecasted to move from a peak of a tropical 87.8°F to a low of a breezy 60.8°F.
Forecasts show a high closer to September's climate pattern, around 78.6°F, rather than October's 74.7°F.
Sunrise will be at 6:55 am and sunset at 6:11 pm; the daylight will last for 11h and 17min.

10-day overview

Daily temperatures

Warmest day: today 88°C.
Coldest day: Thursday 72°C.

Chance of precipitation

Highest chance: Thursday 67%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 88°F
  • 61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphNNW 330°
  • Humidity: 32%
  • UV index: 6
  • Sunrise: 6:55 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 84°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphW 260°
  • Humidity: 47%
  • UV index: 6
  • Sunrise: 6:55 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 79°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 10mphSW 235°
  • Humidity: 62%
  • UV index: 6
  • Sunrise: 6:56 am PDT
  • Sunset: 6:09 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 79°F
  • 61°F
PM Showers
PM Showers
  • Precip. probability: 50%
  • Precipitation: 0.35"
  • Wind: 12mphSSW 197°
  • Humidity: 60%
  • UV index: 6
  • Sunrise: 6:57 am PDT
  • Sunset: 6:08 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 57°F
Rain / Thunder
Rain / Thunder
  • Precip. probability: 67%
  • Precipitation: 0.12"
  • Wind: 11mphSW 235°
  • Humidity: 65%
  • UV index: 6
  • Sunrise: 6:58 am PDT
  • Sunset: 6:07 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 10mphWNW 294°
  • Humidity: 60%
  • 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: 6:59 am PDT
  • Sunset: 6:05 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 79°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphW 276°
  • Humidity: 49%
  • UV index: 5
  • Sunrise: 7:00 am PDT
  • Sunset: 6:04 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 77°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 11mphWSW 254°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:01 am PDT
  • Sunset: 6:03 pm PDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 10mphW 262°
  • Humidity: 53%
  • UV index: 5
  • Sunrise: 7:02 am PDT
  • Sunset: 6:02 pm PDT
  • ▼
An unsettled pattern is expected over the next ten days, and a mix of gloomy, bright, wet and stormy weather is forecasted.
Rain is predicted for Wednesday and Thursday.
Temperature fluctuation will be noticeable throughout the forecast window. Highs will range from 71.6°F to 87.8°F, while changes in the overnight low will be barely noticeable, as the minimum temperature is expected to range between 57.2°F and 62.6°F.
With a high of 87.8°F, today is the hottest day; with the highest temperature of 71.6°F, Thursday will be the coldest day.
Updated: Oct 18, 2026 @ 10:11:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, conditions remain stable and sunny, with little cloud presence.

Today, the highest temperature will be 87.8°F, while the lowest temperature will be 60.8°F.
The maximum temperature today will be significantly higher than the average highest temperature of 74.7°F in October. The lowest temperature will be in line with the average low of 60.8°F.

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

In Tierrasanta, the length of the day today will be 11h and 17min.