Weather forecast for 10 daysSan Juan Capistrano, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 84°F
- 61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphWSW 250°
- Humidity: 35%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:13 pm PDT
- details ▼
On Sunday, October 18, sunny skies are in store, with excellent visibility.
The temperature variation is anticipated to range from a maximum of a temperate 84.2°F to a minimum of a comfortable 60.8°F.
Today, meteorological data suggests the high will feel more like September, based on a forecast of 84.2°F.
Sunrise was at 6:57 am and sunset will be at 6:13 pm; the daylight will last for 11h and 16min.
The temperature variation is anticipated to range from a maximum of a temperate 84.2°F to a minimum of a comfortable 60.8°F.
Today, meteorological data suggests the high will feel more like September, based on a forecast of 84.2°F.
Sunrise was at 6:57 am and sunset will be at 6:13 pm; the daylight will last for 11h and 16min.
10-day overview
Daily temperatures
Warmest day: today 84°C.
Coldest day: Thursday 70°C.
Coldest day: Thursday 70°C.
Chance of precipitation
Highest chance: Wednesday - Thursday 68%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 84°F
- 61°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphWSW 250°
- Humidity: 35%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 81°F
- 61°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphSSW 206°
- Humidity: 55%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 77°F
- 61°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphS 185°
- Humidity: 67%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 59°F
Showers
- Precip. probability: 68%
- Precipitation: 0.47"
- Wind: 10mphS 174°
- Humidity: 70%
- UV index: 5
- Sunrise: 7:00 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 57°F
AM Thunderstorms
- Precip. probability: 68%
- Precipitation: 0.08"
- Wind: 9mphSSW 209°
- Humidity: 71%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 57°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 9mphSW 230°
- Humidity: 64%
- UV index: 6
- Sunrise: 7:02 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 59°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphW 281°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:02 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 59°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphW 259°
- Humidity: 48%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 57°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphSW 235°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:04 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphSSW 209°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:05 am PDT
- Sunset: 6:03 pm PDT
- details ▼
The next ten days will bring unstable conditions, and a mix of bright, dull, rain-soaked and stormy weather is anticipated.
Rainfall is anticipated on Wednesday and Thursday.
Temperature differences will be noticeable throughout the forecast window. The maximum temperature will vary between 69.8°F and 84.2°F, while fluctuations in the night’s lowest temperature will be minimal, as the minimum temperature will fluctuate between 57.2°F and 60.8°F.
The hottest day is today, with a maximum temperature of 84.2°F; with the highest temperature of 69.8°F, Thursday will be the coldest day.
Rainfall is anticipated on Wednesday and Thursday.
Temperature differences will be noticeable throughout the forecast window. The maximum temperature will vary between 69.8°F and 84.2°F, while fluctuations in the night’s lowest temperature will be minimal, as the minimum temperature will fluctuate between 57.2°F and 60.8°F.
The hottest day is today, with a maximum temperature of 84.2°F; with the highest temperature of 69.8°F, Thursday will be the coldest day.
Updated: Oct 18, 2026 @ 19:45:35 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
On Sunday, expect bright skies and plenty of sunshine.
Today, the highest temperature will be 84.2°F, while the lowest temperature will be 60.8°F.
The maximum temperature today will be notably higher than the average highest temperature of 73.2°F in October. The lowest temperature today will be in line with the average low temperature.
The maximum temperature today will be notably higher than the average highest temperature of 73.2°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in San Juan Capistrano, sunrise was at 6:57 am and sunset will be at 6:13 pm (PDT).
Today, the daylight will last for 11h and 16min.
