Weather forecast for tomorrowAliso Viejo, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 81°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSW 198°
  • Humidity: 54%
  • UV index: 6
  • Sunrise: 6:59 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
Tomorrow, clouds will come and go, but expect bright periods in between.
The temperature scale will run from a maximum of a warm 80.6°F to a minimum of an enjoyable 60.8°F.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be 82.4°F.
The temperature of 80.6°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 6:59 am and sunset at 6:12 pm; tomorrow's daylight will last for 11h and 13min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 81°C.
Coldest period: 3 am - 6 am 63°C.

Chance of precipitation

Highest chance: 9 pm 7%.

Hourly weather forecast

  • 12 am
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphSSE 161°
  • Humidity: 70%
  • Pressure: 29.91"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphESE 105°
  • Humidity: 73%
  • Pressure: 29.91"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 4 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphE 87°
  • Humidity: 75%
  • Pressure: 29.88"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 63°F
  • Feels like:
    63°F
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphENE 78°
  • Humidity: 73%
  • Pressure: 29.91"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunrise: 6:59 am
  • 8 am
  • 66°F
  • Feels like:
    66°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphENE 77°
  • Humidity: 65%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
  • 10 am
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 180°
  • Humidity: 51%
  • Pressure: 29.91"Hg
  • Visibility: 8mi
  • UV index: 3
  • ▼
  • 12 pm
  • 79°F
  • Feels like:
    81°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 221°
  • Humidity: 46%
  • Pressure: 29.88"Hg
  • Visibility: 8mi
  • UV index: 6
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 217°
  • Humidity: 47%
  • Pressure: 29.85"Hg
  • Visibility: 8mi
  • UV index: 5
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    79°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSW 223°
  • Humidity: 50%
  • Pressure: 29.83"Hg
  • Visibility: 8mi
  • UV index: 2
  • ▼
  • 6 pm
  • 73°F
  • Feels like:
    73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphSSW 211°
  • Humidity: 63%
  • Pressure: 29.83"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 8 pm
  • 68°F
  • Feels like:
    70°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphS 186°
  • Humidity: 79%
  • Pressure: 29.83"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 66°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 3mphS 169°
  • Humidity: 86%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Tomorrow, primarily bright and occasionally cloud-filled weather is anticipated.
The temperature will vary between the lowest temperature of 60.8°F and the highest temperature of 78.8°F. The warmest part of the day will be from 11 am to 3 pm.
The day’s peak temperature will reflect September's norm of 79.5°F more than October's 75°F. The minimum temperature will be alike with October's average low of 60.6°F.
Updated: Oct 18, 2026 @ 12:40:07 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, mostly clear with scattered clouds is expected.

Tomorrow, the maximum temperature will be 80.6°F, while the minimum temperature will be 60.8°F. The maximum heat index, which indicates how humid air affects the felt temperature, is assessed at 82.4°F.
The highest temperature will be slightly warmer than the average maximum of 75°F in October. The lowest temperature will be in line with the average low of 60.6°F.

On Monday, in Aliso Viejo, sunrise will be at 6:59 am and sunset at 6:12 pm (PDT).

Tomorrow, the daylight will last for 11h and 13min.