Weather forecast for 10 daysChula Vista, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 84°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWNW 288°
- Humidity: 32%
- UV index: 6
- Sunrise: 6:54 am PDT
- Sunset: 6:12 pm PDT
- details ▼
Today, on Sunday, October 18, sunshine and minimal clouds are in the outlook.
Temperature fluctuations between a temperate 84.2°F and a breezy 62.6°F are expected.
Temperatures are trending hotter, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise was at 6:54 am and sunset will be at 6:12 pm; the daylight will last for 11h and 17min.
Temperature fluctuations between a temperate 84.2°F and a breezy 62.6°F are expected.
Temperatures are trending hotter, with a peak resembling September's average maximum rather than October's seasonal high.
Sunrise was at 6:54 am and sunset will be at 6:12 pm; the daylight will last for 11h and 17min.
10-day overview
Daily temperatures
Warmest day: today 84°C.
Coldest day: Thursday 72°C.
Coldest day: Thursday 72°C.
Chance of precipitation
Highest chance: Thursday 74%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 84°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWNW 288°
- Humidity: 32%
- UV index: 6
- Sunrise: 6:54 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 79°F
- 63°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 10mphWSW 238°
- Humidity: 58%
- UV index: 6
- Sunrise: 6:55 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 64°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 11mphSW 223°
- Humidity: 73%
- UV index: 6
- Sunrise: 6:56 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 77°F
- 64°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.35"
- Wind: 12mphSSW 196°
- Humidity: 67%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 59°F
AM Thundershowers
- Precip. probability: 74%
- Precipitation: 0.12"
- Wind: 11mphWSW 237°
- Humidity: 70%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 59°F
Mostly Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 11mphNW 304°
- Humidity: 63%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 63°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphNW 315°
- Humidity: 54%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 79°F
- 63°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphWSW 247°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:00 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 77°F
- 61°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 10mphWSW 240°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 75°F
- 61°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 10mphW 270°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:02 pm PDT
- details ▼
For the next ten days, a combination of clear, overcast and stormy weather is anticipated.
Rainfall is expected on Wednesday and Thursday.
There will be a considerable variation in temperature in the coming days. The temperature is expected to swing from 71.6°F up to 84.2°F, while the overnight low will be nearly unchanged, as the minimum temperature is expected to range between 59°F and 64.4°F.
Today is the hottest day, with a maximum temperature of 84.2°F; the lowest daytime temperature of the period will be reached on Thursday, peaking at 71.6°F.
Rainfall is expected on Wednesday and Thursday.
There will be a considerable variation in temperature in the coming days. The temperature is expected to swing from 71.6°F up to 84.2°F, while the overnight low will be nearly unchanged, as the minimum temperature is expected to range between 59°F and 64.4°F.
Today is the hottest day, with a maximum temperature of 84.2°F; the lowest daytime temperature of the period will be reached on Thursday, peaking at 71.6°F.
Updated: Oct 18, 2026 @ 15:49:21 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, in Chula Vista, the weather remains calm, bright, and sunny.
Today, the highest temperature will be 84.2°F, while the lowest temperature will be 62.6°F.
Today, the maximum temperature will be notably higher than the average highest temperature of 74.5°F in October. The lowest temperature today will be in line with the average low temperature.
Today, the maximum temperature will be notably higher than the average highest temperature of 74.5°F in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Chula Vista, sunrise was at 6:54 am and sunset will be at 6:12 pm (PDT).
Today, the daylight will last for 11h and 17min.
