Weather forecast for tomorrowMission Viejo, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 82°F
  • 59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSW 200°
  • Humidity: 45%
  • UV index: 6
  • Sunrise: 6:58 am PDT
  • Sunset: 6:12 pm PDT
  • ▼
On Monday, October 19, sunny and dry conditions are also anticipated.
Temperature fluctuations between a moderately hot 82.4°F and a mild 59°F are forecasted.
The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 82.4°F.
The temperature of 82.4°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 6:58 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 hour: 6 am 61°C.

Chance of precipitation

Highest chance: 9 pm 6%.

Hourly weather forecast

  • 12 am
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSE 140°
  • Humidity: 63%
  • Pressure: 29.91"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 99°
  • Humidity: 65%
  • Pressure: 29.91"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 4 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphENE 75°
  • Humidity: 67%
  • Pressure: 29.88"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
  • 6 am
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphENE 73°
  • Humidity: 66%
  • 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: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 75°
  • Humidity: 57%
  • 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: 42%
  • 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: 6mphSW 222°
  • Humidity: 38%
  • Pressure: 29.88"Hg
  • Visibility: 8mi
  • UV index: 6
  • ▼
  • 2 pm
  • 81°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSW 219°
  • Humidity: 39%
  • Pressure: 29.85"Hg
  • Visibility: 8mi
  • UV index: 5
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSW 224°
  • Humidity: 40%
  • Pressure: 29.83"Hg
  • Visibility: 8mi
  • UV index: 2
  • ▼
  • 6 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 5mphSSW 213°
  • Humidity: 55%
  • Pressure: 29.83"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Sunset: 6:12 pm
  • 8 pm
  • 70°F
  • Feels like:
    70°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphS 176°
  • Humidity: 74%
  • Pressure: 29.83"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 66°F
  • Feels like:
    66°F
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 3mphSSE 155°
  • Humidity: 84%
  • Pressure: 29.85"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, primarily clear and occasionally gloomy weather is forecasted.
The temperature will vary between the lowest temperature of 60.8°F and the highest temperature of 82.4°F. The warmest part of the day is expected around 1 pm.
The forecasted maximum is more resembling September's typical high of 79.7°F than the average for October. The temperature low is forecasted to be consistent with the usual October value of 60.1°F.
Updated: Oct 18, 2026 @ 14:01:45 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Mission Viejo, clear and sunny conditions are expected.

Tomorrow, the highest temperature will be 82.4°F, while the lowest temperature will be 59°F. The maximum heat index, which reflects the perceived temperature due to humidity levels, is computed to be 82.4°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 75.2°F in October. The lowest temperature will be in line with the average low of 60.1°F.

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

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