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 300°
- Humidity: 34%
- UV index: 6
- Sunrise: 6:54 am PDT
- Sunset: 6:12 pm PDT
- details ▼
Today, bright and sunny weather is expected.
The temperature is predicted to vary between a temperate 84.2°F and a breezy 62.6°F.
The predicted high will feel hotter, consistent with September's climate average of 78.3°F.
Sunrise will be at 6:54 am and sunset at 6:12 pm; the daylight will last for 11h and 17min.
The temperature is predicted to vary between a temperate 84.2°F and a breezy 62.6°F.
The predicted high will feel hotter, consistent with September's climate average of 78.3°F.
Sunrise will be at 6:54 am and sunset 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 70%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 84°F
- 63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWNW 300°
- Humidity: 34%
- UV index: 6
- Sunrise: 6:54 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 79°F
- 64°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 10mphWSW 244°
- Humidity: 57%
- UV index: 6
- Sunrise: 6:55 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 75°F
- 64°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 10mphSW 225°
- Humidity: 72%
- UV index: 6
- Sunrise: 6:56 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 79°F
- 64°F
PM Showers
- Precip. probability: 41%
- Precipitation: 0.35"
- Wind: 12mphSSW 198°
- Humidity: 64%
- UV index: 6
- Sunrise: 6:57 am PDT
- Sunset: 6:08 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 59°F
AM Light Rain
- Precip. probability: 70%
- Precipitation: 0.12"
- Wind: 11mphWSW 237°
- Humidity: 69%
- 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: 10%
- Precipitation: 0"
- Wind: 11mphWNW 299°
- Humidity: 63%
- UV index: 6
- Sunrise: 6:58 am PDT
- Sunset: 6:06 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 61°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphNW 315°
- Humidity: 53%
- UV index: 6
- Sunrise: 6:59 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 77°F
- 61°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 10mphWSW 239°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:00 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 75°F
- 61°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 10mphSW 235°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 73°F
- 59°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 10mphSW 235°
- Humidity: 57%
- UV index: 5
- Sunrise: 7:01 am PDT
- Sunset: 6:02 pm PDT
- details ▼
Models point to a combination of clear, cloudy and wet weather is forecasted.
Rainfall is predicted for Wednesday and Thursday.
Temperature differences will be noticeable across the forecast period. Maximum temperatures are forecasted between 71.6°F and 84.2°F, while changes in the overnight low will be barely noticeable, as the minimum temperature will fluctuate between 59°F and 64.4°F.
The hottest day is today, 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 predicted for Wednesday and Thursday.
Temperature differences will be noticeable across the forecast period. Maximum temperatures are forecasted between 71.6°F and 84.2°F, while changes in the overnight low will be barely noticeable, as the minimum temperature will fluctuate between 59°F and 64.4°F.
The hottest day is today, 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 @ 13:26:29 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
Today, in Chula Vista, clear skies and sunshine are anticipated.
Today, the highest temperature will be 84.2°F, while the lowest temperature will be 62.6°F.
The maximum temperature will be notably higher than the average highest temperature of 74.5°F in October. The lowest temperature will be in line with the average low of 61.5°F.
The maximum temperature will be notably higher than the average highest temperature of 74.5°F in October. The lowest temperature will be in line with the average low of 61.5°F.
On Sunday, in Chula Vista, sunrise will be at 6:54 am and sunset at 6:12 pm (PDT).
In Chula Vista, today, there will be 11h and 17min of daylight.
