Weather forecast for tomorrowSan Juan Capistrano, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 81°F
  • 61°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSW 199°
  • Humidity: 56%
  • UV index: 6
  • Sunrise: 6:58 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
Tomorrow, sunshine will lead the day, with clouds making only brief appearances.
The temperature is anticipated to oscillate between a maximum of a warm 80.6°F and a minimum of a breezy 60.8°F.
The maximum heat index, which represents the influence of relative humidity on air temperature, is estimated at 82.4°F.
With a forecast of 80.6°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise will be at 6:58 am and sunset at 6:12 pm; tomorrow's daylight will last for 11h and 14min.

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 10%.

Hourly weather forecast

  • 12 am
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphSE 126°
  • Humidity: 73%
  • Pressure: 29.91"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphESE 105°
  • Humidity: 80%
  • Pressure: 29.91"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 4 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 1mphENE 77°
  • Humidity: 81%
  • Pressure: 29.88"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 1mphENE 72°
  • Humidity: 74%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Sunrise: 6:58 am
  • 8 am
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphENE 76°
  • Humidity: 63%
  • 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 188°
  • Humidity: 51%
  • Pressure: 29.91"Hg
  • Visibility: 7mi
  • UV index: 3
  • ▼
  • 12 pm
  • 79°F
  • Feels like:
    81°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 215°
  • Humidity: 50%
  • Pressure: 29.91"Hg
  • Visibility: 8mi
  • UV index: 6
  • ▼
  • 2 pm
  • 79°F
  • Feels like:
    81°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSW 218°
  • Humidity: 52%
  • Pressure: 29.85"Hg
  • Visibility: 7mi
  • UV index: 5
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    81°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 231°
  • Humidity: 55%
  • Pressure: 29.83"Hg
  • Visibility: 7mi
  • UV index: 2
  • ▼
  • 6 pm
  • 73°F
  • Feels like:
    73°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphSSW 210°
  • Humidity: 65%
  • Pressure: 29.83"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 8 pm
  • 70°F
  • Feels like:
    70°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 3mphS 176°
  • Humidity: 83%
  • Pressure: 29.85"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 66°F
  • Feels like:
    68°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 3mphSSE 151°
  • Humidity: 87%
  • Pressure: 29.85"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
Tomorrow, primarily clear and occasionally cloudy weather is predicted.
The temperature will be between the lowest temperature of 62.6°F and the highest temperature of 78.8°F. The warmest part of the day will be from noon to 3 pm.
The highest temperature is more close to September's average maximum of 77.4°F than October's usual of 73.2°F. The minimum temperature will be alike with October's average low of 60.3°F.
Updated: Oct 18, 2026 @ 16:40:13 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, in San Juan Capistrano, a glowing sky and minimal clouds are expected.

Tomorrow, the highest temperature in San Juan Capistrano will be 80.6°F, while the lowest temperature will be 60.8°F. The maximum heat index, which represents the influence of relative humidity on air temperature, is assessed at 82.4°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 73.2°F in October. The lowest temperature will be in line with the average low of 60.3°F.

On Monday, in San Juan Capistrano, sunrise will be at 6:58 am and sunset at 6:12 pm (PDT).

Tomorrow, the daylight will last for 11h and 14min.