Weather forecast for 10 daysFoothill Ranch, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 86°F
- 61°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphW 278°
- Humidity: 30%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:13 pm PDT
- details ▼
Tomorrow, golden sunshine will carry through the day.
The temperature scale will run from a maximum of a humid 86°F to a minimum of a comfortable 60.8°F.
Meteorological data shows 86°F is more characteristic of September's climate profile than October's.
Sunrise will be at 6:58 am and sunset at 6:13 pm; tomorrow's daylight will last for 11h and 15min.
The temperature scale will run from a maximum of a humid 86°F to a minimum of a comfortable 60.8°F.
Meteorological data shows 86°F is more characteristic of September's climate profile than October's.
Sunrise will be at 6:58 am and sunset at 6:13 pm; tomorrow's daylight will last for 11h and 15min.
10-day overview
Daily temperatures
Warmest day: tomorrow 86°C.
Coldest day: Thursday 68°C.
Coldest day: Thursday 68°C.
Chance of precipitation
Highest chance: Thursday 72%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 63°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphENE 77°
- Humidity: 40%
- UV index: 0
- Sunrise: 6:57 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 86°F
- 61°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphW 278°
- Humidity: 30%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 84°F
- 59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphSSW 212°
- Humidity: 42%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 81°F
- 59°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphS 179°
- Humidity: 57%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 57°F
Showers
- Precip. probability: 58%
- Precipitation: 0.39"
- Wind: 11mphSSE 167°
- Humidity: 66%
- UV index: 6
- Sunrise: 7:00 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 55°F
Thundershowers
- Precip. probability: 72%
- Precipitation: 0.28"
- Wind: 9mphSSW 197°
- Humidity: 76%
- UV index: 4
- Sunrise: 7:01 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 72°F
- 55°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphWSW 238°
- Humidity: 66%
- UV index: 5
- Sunrise: 7:02 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 57°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphNW 321°
- Humidity: 52%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 8mphSW 231°
- Humidity: 52%
- UV index: 5
- Sunrise: 7:03 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 55°F
Partly Cloudy
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 9mphSSW 198°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:04 am PDT
- Sunset: 6:04 pm PDT
- details ▼
An unsettled pattern is expected over the next ten days, and a mix of dry and sunny, gloomy, rainy and lightning-active weather is anticipated.
Rainfall is forecasted for Wednesday and Thursday.
Temperature differences will be noticeable in the coming days. The maximum temperature will vary between 68°F and 86°F, while the minimum temperature is forecast to range between 55.4°F and 62.6°F.
Sunday will be the hottest day, with a maximum temperature of 86°F; the coldest day will be Thursday, with a maximum of 68°F.
Rainfall is forecasted for Wednesday and Thursday.
Temperature differences will be noticeable in the coming days. The maximum temperature will vary between 68°F and 86°F, while the minimum temperature is forecast to range between 55.4°F and 62.6°F.
Sunday will be the hottest day, with a maximum temperature of 86°F; the coldest day will be Thursday, with a maximum of 68°F.
Updated: Oct 18, 2026 @ 05:33:29 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, a pleasant, mostly sunny outlook is in place.
Tomorrow, the maximum temperature will be 86°F, while the minimum temperature will be 60.8°F.
The highest temperature will be uncommonly higher than the average maximum of 75.9°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature will be uncommonly higher than the average maximum of 75.9°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Foothill Ranch, sunrise will be at 6:58 am and sunset at 6:13 pm (PDT).
Tomorrow, the daylight will last for 11h and 15min.
