Weather forecast for tomorrowTrabuco Highlands, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 84°F
  • 57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSSW 201°
  • Humidity: 42%
  • UV index: 6
  • Sunrise: 6:58 am PDT
  • Sunset: 6:11 pm PDT
  • ▼
On Monday, October 19, clear and sunny conditions are also expected.
Dramatic temperature shifts from a high of a moderately hot 84.2°F to a low of a refreshing 57.2°F are anticipated.
The maximum heat index, which combines relative humidity and air temperature, is evaluated at 84.2°F.
The forecast high of 84.2°F aligns more closely with September's typical high of 79.7°F than with October's usual 75.2°F.
Sunrise will be at 6:58 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 13min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 82°C.
Coldest period: 3 am - 6 am 61°C.

Chance of precipitation

Highest chance: 9 pm 5%.

Hourly weather forecast

  • 12 am
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphESE 113°
  • Humidity: 56%
  • Pressure: 29.94"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 2 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphE 82°
  • Humidity: 61%
  • Pressure: 29.91"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 4 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 57°
  • Humidity: 63%
  • Pressure: 29.88"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 6 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 65°
  • Humidity: 62%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 6:58 am
  • 8 am
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 73°
  • Humidity: 54%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 75°F
  • Feels like:
    75°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphS 182°
  • Humidity: 38%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 3
  • ▼
  • 12 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 214°
  • Humidity: 35%
  • Pressure: 29.88"Hg
  • Visibility: 8mi
  • UV index: 6
  • ▼
  • 2 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 218°
  • Humidity: 35%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 5
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSW 229°
  • Humidity: 37%
  • Pressure: 29.83"Hg
  • Visibility: 7mi
  • UV index: 2
  • ▼
  • 6 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphSW 224°
  • Humidity: 50%
  • Pressure: 29.83"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunset: 6:11 pm
  • 8 pm
  • 68°F
  • Feels like:
    68°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphS 182°
  • Humidity: 70%
  • Pressure: 29.85"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 10 pm
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSE 130°
  • Humidity: 79%
  • Pressure: 29.85"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, clear skies and sunny weather are expected.
The temperature will be between a minimum of 59°F and a maximum of 82.4°F. The warmest part of the day will be from 1 pm to 3 pm.
The maximum temperature will align more closely with September's average high of 79.7°F than with October's 75.2°F. The night temperature will be close to the standard October low of 60.1°F.
Updated: Oct 18, 2026 @ 15:44:09 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, in Trabuco Highlands, clear and sunny conditions are expected.

Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 57.2°F. The maximum heat index, which adjusts the air temperature based on humidity, is computed to be 84.2°F.
The highest temperature will be a couple of degrees higher than the average maximum of 75.2°F in October. The lowest temperature will be in line with the average low of 60.1°F.

On Monday, in Trabuco Highlands, sunrise will be at 6:58 am and sunset at 6:11 pm (PDT).

In Trabuco Highlands, tomorrow, there will be 11h and 13min of daylight.