Weather forecast for 10 daysAntioch, CA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 82°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 14mphW 260°
  • Humidity: 45%
  • UV index: 5
  • Sunrise: 7:19 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
Tomorrow, sunshine is also expected with little to no cloud cover.
Dramatic changes in temperature are forecasted, reaching a high of a moderately hot 82.4°F and falling to a low of a crisp 51.8°F.
The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at 82.4°F.
Tomorrow, expect a warmer trend, with a high of 82.4°F more common in September.
Sunrise will be at 7:19 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 7min.

10-day overview

Daily temperatures

Warmest day: tomorrow 82°C.
Minimum temperature: 70°C.

Chance of precipitation

Highest chance: Wednesday 38%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 54°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSW 236°
  • Humidity: 47%
  • UV index: 0
  • Sunrise: 7:18 am PDT
  • Sunset: 6:26 pm PDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 82°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 14mphW 260°
  • Humidity: 45%
  • UV index: 5
  • Sunrise: 7:19 am PDT
  • Sunset: 6:25 pm PDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 14mphWSW 252°
  • Humidity: 52%
  • UV index: 5
  • Sunrise: 7:20 am PDT
  • Sunset: 6:24 pm PDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 54°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Precip. probability: 10%
  • Precipitation: 0.12"
  • Wind: 6mphNW 314°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:21 am PDT
  • Sunset: 6:22 pm PDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 55°F
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 0.08"
  • Wind: 6mphNW 318°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:22 am PDT
  • Sunset: 6:21 pm PDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 9mphWSW 255°
  • Humidity: 67%
  • UV index: 4
  • Sunrise: 7:23 am PDT
  • Sunset: 6:20 pm PDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 8mphW 274°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:24 am PDT
  • Sunset: 6:18 pm PDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 73°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphWNW 286°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:25 am PDT
  • Sunset: 6:17 pm PDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 9mphW 274°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:26 am PDT
  • Sunset: 6:16 pm PDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 8mphWNW 288°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:27 am PDT
  • Sunset: 6:15 pm PDT
  • ▼
For the next ten days, a combination of primarily dull and occasionally bright and wet weather is forecasted.
With a probability of 38%, rainfall is predicted only for Wednesday. The precipitation will be minimal at 0.12".
Noticeable swings in temperature are expected across the forecast period. The maximum temperature will vary between 69.8°F and 82.4°F, while the low temperature range extends from 48.2°F to 55.4°F.
Sunday is expected to be the warmest, reaching up to 82.4°F; with a maximum temperature of 69.8°F, Monday, Wednesday and Thursday will be the coldest days.
Updated: Oct 18, 2026 @ 03:38:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, uninterrupted sunshine is anticipated.

Tomorrow, the highest temperature in Antioch will be 82.4°F, while the lowest temperature will be 51.8°F. The maximum heat index, which modifies the air temperature to account for humidity, is evaluated at 82.4°F.
The maximum temperature tomorrow will be a couple of degrees higher than the average highest temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Antioch, sunrise will be at 7:19 am and sunset at 6:25 pm (PDT).

Tomorrow, the daylight will last for 11h and 7min.