Weather forecast for tomorrowAntioch, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 82°F
- 52°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 13mphW 261°
- Humidity: 45%
- UV index: 5
- Sunrise: 7:19 am PDT
- Sunset: 6:25 pm PDT
- details ▼
Tomorrow, bright and sunny weather is also expected.
A significant variation in temperature is anticipated, ranging from a high of a temperate 82.4°F to a low of a fresh 51.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is appraised at 82.4°F.
Tomorrow, it will be warmer, and the temperature will align more with September's typical maximum of 85.3°F.
Sunrise will be at 7:19 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 7min.
A significant variation in temperature is anticipated, ranging from a high of a temperate 82.4°F to a low of a fresh 51.8°F.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is appraised at 82.4°F.
Tomorrow, it will be warmer, and the temperature will align more with September's typical maximum of 85.3°F.
Sunrise will be at 7:19 am and sunset at 6:25 pm; tomorrow's daylight will last for 11h and 7min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 54°C.
Coldest hour: 6 am 54°C.
Chance of precipitation
Highest chance: 3 am - 6 am 6%.
Hourly weather forecast
- 12 am
- 59°F
- Feels like:55°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 15mphWSW 238°
- Humidity: 71%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 57°F
- Feels like:54°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphWSW 240°
- Humidity: 75%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 54°F
- Feels like:50°F
Mostly Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 13mphWSW 239°
- Humidity: 80%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 54°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 12mphWSW 240°
- Humidity: 81%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:19 am
- 8 am
- 54°F
- Feels like:50°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphWSW 243°
- Humidity: 78%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 61°F
- Feels like:59°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 14mphWSW 248°
- Humidity: 60%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWSW 256°
- Humidity: 45%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 68°F
- Feels like:68°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWSW 256°
- Humidity: 39%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 68°F
- Feels like:68°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphWSW 255°
- Humidity: 39%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 64°F
- Feels like:64°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphWSW 252°
- Humidity: 43%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:25 pm
- 8 pm
- 59°F
- Feels like:57°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphWSW 247°
- Humidity: 56%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 57°F
- Feels like:55°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphWSW 243°
- Humidity: 64%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of sunny and gloomy weather is expected.
The temperature will vary between a minimum of 53.6°F and a maximum of 68°F. The warmest part of the day will be from 1 pm to 4 pm.
Tomorrow, the temperature will be closer to September's norm than to October's average of 75.9°F. The nighttime low tomorrow will be resembling October's typical minimum temperature.
The temperature will vary between a minimum of 53.6°F and a maximum of 68°F. The warmest part of the day will be from 1 pm to 4 pm.
Tomorrow, the temperature will be closer to September's norm than to October's average of 75.9°F. The nighttime low tomorrow will be resembling October's typical minimum temperature.
Updated: Oct 18, 2026 @ 06:19:25 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, expect bright skies and plenty of sunshine.
Tomorrow, the maximum temperature will be 82.4°F, while the minimum temperature will be 51.8°F. The maximum heat index, which adjusts the air temperature based on humidity, is assessed at 82.4°F.
The highest temperature will be a couple of degrees 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 a couple of degrees 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 Antioch, sunrise will be at 7:19 am and sunset at 6:25 pm (PDT).
In Antioch, the length of the day tomorrow will be 11h and 7min.





