Weather forecast for tomorrowHercules, CA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 52°F
Mostly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 14mphWSW 251°
- Humidity: 62%
- UV index: 5
- Sunrise: 7:21 am PDT
- Sunset: 6:26 pm PDT
- details ▼
On Monday, October 19, a thick layer of clouds will dominate the sky.
The temperature is forecasted to oscillate between a maximum of a comfortable 66.2°F and a minimum of a cool 51.8°F.
The expected maximum temperature will be relatively lower than October's typical high of 71.4°F.
Sunrise will be at 7:21 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 4min.
The temperature is forecasted to oscillate between a maximum of a comfortable 66.2°F and a minimum of a cool 51.8°F.
The expected maximum temperature will be relatively lower than October's typical high of 71.4°F.
Sunrise will be at 7:21 am and sunset at 6:26 pm; tomorrow's daylight will last for 11h and 4min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest period: 3 am - 6 am 54°C.
Coldest period: 3 am - 6 am 54°C.
Chance of precipitation
Highest chance: 9 pm 8%.
Hourly weather forecast
- 12 am
- 55°F
- Feels like:54°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphSW 236°
- Humidity: 85%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 55°F
- Feels like:52°F
Mostly Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphWSW 243°
- Humidity: 85%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphWSW 251°
- Humidity: 86%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphWSW 250°
- Humidity: 84%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:21 am
- 8 am
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphWSW 251°
- Humidity: 83%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 57°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphWSW 249°
- Humidity: 72%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphWSW 247°
- Humidity: 55%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWSW 245°
- Humidity: 49%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 13mphWSW 251°
- Humidity: 49%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:61°F
Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 12mphW 261°
- Humidity: 57%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:26 pm
- 8 pm
- 57°F
- Feels like:55°F
Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 9mphW 261°
- Humidity: 68%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 57°F
- Feels like:55°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphWSW 254°
- Humidity: 75%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and bright weather is expected.
The temperature will be between the lowest temperature of 53.6°F and the highest temperature of 66.2°F. The warmest part of the day is expected around 3 pm.
The high will be moderately lower than the normal maximum of 71.4°F for October. The night temperature will be also consistent with the standard October low of 54.7°F.
The temperature will be between the lowest temperature of 53.6°F and the highest temperature of 66.2°F. The warmest part of the day is expected around 3 pm.
The high will be moderately lower than the normal maximum of 71.4°F for October. The night temperature will be also consistent with the standard October low of 54.7°F.
Updated: Oct 18, 2026 @ 07:32:18 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 Monday, a mainly cloudy pattern is expected.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 51.8°F.
The maximum temperature will be a few degrees lower than the average highest temperature of 71.4°F in October. The lowest temperature will be in line with the average low of 54.7°F.
The maximum temperature will be a few degrees lower than the average highest temperature of 71.4°F in October. The lowest temperature will be in line with the average low of 54.7°F.
On Monday, in Hercules, sunrise will be at 7:21 am and sunset at 6:26 pm (PDT).
Tomorrow, the daylight will last for 11h and 4min.





