Weather forecast for 10 daysAliso Viejo, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 84°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 261°
- Humidity: 38%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:13 pm PDT
- details ▼
Today, in Aliso Viejo, the weather remains calm, bright, and sunny.
The temperature is anticipated to vary between a maximum of a warm 84.2°F and a minimum of an enjoyable 60.8°F.
The higher temperature of 84.2°F is more typical of September than October.
Sunrise was at 6:58 am and sunset will be at 6:13 pm; the daylight will last for 11h and 16min.
The temperature is anticipated to vary between a maximum of a warm 84.2°F and a minimum of an enjoyable 60.8°F.
The higher temperature of 84.2°F is more typical of September than October.
Sunrise was at 6:58 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 77%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 84°F
- 61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 261°
- Humidity: 38%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 81°F
- 61°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphSSW 196°
- Humidity: 54%
- UV index: 6
- Sunrise: 6:59 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 183°
- Humidity: 67%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 59°F
Rain
- Precip. probability: 77%
- Precipitation: 0.51"
- Wind: 11mphSSE 164°
- Humidity: 68%
- UV index: 5
- Sunrise: 7:00 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 57°F
Scattered Thunderstorms
- Precip. probability: 67%
- Precipitation: 0.16"
- Wind: 9mphSSW 198°
- Humidity: 71%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 59°F
Mostly Sunny
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 9mphSW 214°
- Humidity: 62%
- UV index: 5
- Sunrise: 7:02 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 61°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphWNW 297°
- Humidity: 50%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 59°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSW 207°
- Humidity: 52%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 9mphSSW 207°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 57°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSW 205°
- Humidity: 54%
- 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 sunny, gloomy, damp and stormy weather is anticipated.
Rainfall is anticipated on Wednesday and Thursday.
Substantial differences in temperature are forecasted in the next ten days. Highs will range from 69.8°F to 84.2°F, while the lowest nighttime temperatures will be relatively consistent, as the lowest temperatures will remain in the range of 57.2°F to 60.8°F.
With a high of 84.2°F, today is the hottest day; the lowest daytime temperature of the period will be reached on Thursday, peaking at 69.8°F.
Rainfall is anticipated on Wednesday and Thursday.
Substantial differences in temperature are forecasted in the next ten days. Highs will range from 69.8°F to 84.2°F, while the lowest nighttime temperatures will be relatively consistent, as the lowest temperatures will remain in the range of 57.2°F to 60.8°F.
With a high of 84.2°F, today is the hottest day; the lowest daytime temperature of the period will be reached on Thursday, peaking at 69.8°F.
Updated: Oct 18, 2026 @ 14:21:03 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, conditions will remain bright with clear skies.
Today, the highest temperature will be 84.2°F, while the lowest temperature will be 60.8°F.
Today, the maximum temperature will be significantly higher than the average highest temperature of 75°F in October. The lowest temperature today will be in line with the average low temperature.
Today, the maximum temperature will be significantly higher than the average highest temperature of 75°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Aliso Viejo, sunrise was at 6:58 am and sunset will be at 6:13 pm (PDT).
Today, the daylight will last for 11h and 16min.
