Weather forecast for 10 daysHercules, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 12mphSW 218°
- Humidity: 68%
- UV index: 5
- Sunrise: 7:21 am PDT
- Sunset: 6:27 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, occasional clouds will pass by, but expect bright spells.
The temperature scale will run from a maximum of a temperate 73.4°F to a minimum of a fresh 50°F.
Tomorrow, the forecasted temperature will match October's typical high of 71.4°F.
Sunrise will be at 7:21 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 7min.
The temperature scale will run from a maximum of a temperate 73.4°F to a minimum of a fresh 50°F.
Tomorrow, the forecasted temperature will match October's typical high of 71.4°F.
Sunrise will be at 7:21 am and sunset at 6:27 pm; tomorrow's daylight will last for 11h and 7min.
10-day overview
Daily temperatures
Warmest day: tomorrow 73°C.
Minimum temperature: 66°C.
Minimum temperature: 66°C.
Chance of precipitation
Highest chance: Wednesday 45%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 54°F
Mostly Clear
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 7mphSSW 198°
- Humidity: 81%
- UV index: 0
- Sunrise: 7:20 am PDT
- Sunset: 6:28 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 12mphSW 218°
- Humidity: 68%
- UV index: 5
- Sunrise: 7:21 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 50°F
Mostly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 14mphWSW 251°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:21 am PDT
- Sunset: 6:26 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 52°F
Cloudy
- Precip. probability: 13%
- Precipitation: 0.08"
- Wind: 7mphSW 222°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:22 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 52°F
Showers
- Precip. probability: 45%
- Precipitation: 0.08"
- Wind: 7mphNNW 336°
- Humidity: 73%
- UV index: 3
- Sunrise: 7:23 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 50°F
AM Clouds / PM Sun
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 11mphWSW 246°
- Humidity: 76%
- UV index: 4
- Sunrise: 7:24 am PDT
- Sunset: 6:22 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 70°F
- 48°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 9mphWSW 249°
- Humidity: 68%
- UV index: 4
- Sunrise: 7:25 am PDT
- Sunset: 6:20 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 48°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 10mphSSW 211°
- Humidity: 66%
- UV index: 4
- Sunrise: 7:26 am PDT
- Sunset: 6:19 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 70°F
- 48°F
AM Clouds / PM Sun
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 11mphWSW 240°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:28 am PDT
- Sunset: 6:18 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 70°F
- 46°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 11mphSW 217°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:29 am PDT
- Sunset: 6:17 pm PDT
- details ▼
Models point to a combination of primarily dull and occasionally rain-filled and sun-filled weather is anticipated.
With minimal precipitation of 0.08", rain is expected on Tuesday and Wednesday.
In the upcoming period, the maximum temperature will vary between 66.2°F and 73.4°F, while the lowest temperature will be between 46.4°F and 53.6°F.
Sunday will be the warmest day, with a maximum temperature of 73.4°F; the coldest days will be Monday and Wednesday, with a maximum of 66.2°F.
With minimal precipitation of 0.08", rain is expected on Tuesday and Wednesday.
In the upcoming period, the maximum temperature will vary between 66.2°F and 73.4°F, while the lowest temperature will be between 46.4°F and 53.6°F.
Sunday will be the warmest day, with a maximum temperature of 73.4°F; the coldest days will be Monday and Wednesday, with a maximum of 66.2°F.
Updated: Oct 18, 2026 @ 05:48:13 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
Tomorrow, sun and clouds will share the sky, creating a partly cloudy day.
Tomorrow, the maximum temperature will be 73.4°F, while the minimum temperature will be 50°F.
The maximum temperature will be in line with the average highest temperature of 71.4°F in October. The lowest temperature tomorrow will be a few degrees lower than the average low temperature.
The maximum temperature will be in line with the average highest temperature of 71.4°F in October. The lowest temperature tomorrow will be a few degrees lower than the average low temperature.
On Sunday, in Hercules, sunrise will be at 7:21 am and sunset at 6:27 pm (PDT).
Tomorrow in Hercules, California, the daylight will last for 11h and 7min.
