Weather forecast for tomorrowRancho Santa Margarita, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 84°F
- 57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 203°
- Humidity: 41%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:11 pm PDT
- details ▼
Tomorrow, on Monday, skies will stay clear and sunny.
A notable temperature range, reaching a high of a temperate 84.2°F and a low of a moderate 57.2°F, is forecasted.
The maximum heat index, which combines air temperature and relative humidity, is appraised at 84.2°F.
The higher temperature of 84.2°F is more typical of September than October.
Sunrise will be at 6:58 am and sunset at 6:11 pm; tomorrow's daylight will last for 11h and 13min.
A notable temperature range, reaching a high of a temperate 84.2°F and a low of a moderate 57.2°F, is forecasted.
The maximum heat index, which combines air temperature and relative humidity, is appraised at 84.2°F.
The higher temperature of 84.2°F is more typical of September than October.
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 period: 12 pm - 3 pm 81°C.
Coldest hour: 6 am 59°C.
Coldest hour: 6 am 59°C.
Chance of precipitation
Highest chance: 9 pm 4%.
Hourly weather forecast
- 12 am
- 64°F
- Feels like:64°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphESE 120°
- Humidity: 55%
- Pressure: 29.94"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 2 am
- 61°F
- Feels like:61°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphE 90°
- Humidity: 60%
- Pressure: 29.91"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 4 am
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 64°
- Humidity: 62%
- Pressure: 29.88"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 6 am
- 59°F
- Feels like:59°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 69°
- Humidity: 62%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
Sunrise: 6:58 am
- 8 am
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphENE 76°
- Humidity: 54%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 0
- details ▼
- 10 am
- 77°F
- Feels like:77°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphS 181°
- Humidity: 36%
- Pressure: 29.91"Hg
- Visibility: 7mi
- UV index: 3
- details ▼
- 12 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSW 218°
- Humidity: 33%
- Pressure: 29.88"Hg
- Visibility: 8mi
- UV index: 6
- details ▼
- 2 pm
- 82°F
- Feels like:82°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSW 220°
- Humidity: 34%
- Pressure: 29.85"Hg
- Visibility: 7mi
- UV index: 5
- details ▼
- 4 pm
- 81°F
- Feels like:81°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSW 228°
- Humidity: 37%
- Pressure: 29.83"Hg
- Visibility: 7mi
- UV index: 2
- details ▼
- 6 pm
- 75°F
- Feels like:75°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSW 230°
- Humidity: 49%
- Pressure: 29.83"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
Sunset: 6:11 pm
- 8 pm
- 68°F
- Feels like:68°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphS 180°
- Humidity: 68%
- Pressure: 29.85"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 10 pm
- 64°F
- Feels like:64°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSE 140°
- Humidity: 76%
- Pressure: 29.85"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily bright and sunny weather is anticipated.
The temperature will vary between a minimum of 59°F and a maximum of 82.4°F. The warmest part of the day will be at 1 pm and 2 pm.
The highest temperature is more alike with September's average maximum of 79.7°F than October's usual of 75.2°F. The night temperature will be alike with the standard October low of 60.1°F.
The temperature will vary between a minimum of 59°F and a maximum of 82.4°F. The warmest part of the day will be at 1 pm and 2 pm.
The highest temperature is more alike with September's average maximum of 79.7°F than October's usual of 75.2°F. The night temperature will be alike with the standard October low of 60.1°F.
Updated: Oct 18, 2026 @ 17:50:41 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, the weather remains calm, bright, and sunny.
Tomorrow, the maximum temperature will be 84.2°F, while the minimum temperature will be 57.2°F. The maximum heat index, which combines air temperature and relative humidity, is evaluated at 84.2°F.
The maximum temperature will be slightly warmer 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.
The maximum temperature will be slightly warmer 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 Rancho Santa Margarita, sunrise will be at 6:58 am and sunset at 6:11 pm (PDT).
Tomorrow, the daylight will last for 11h and 13min.
