Hercules, California 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 79°F 26°C Heat Index: 79°F	Observed at: Hercules, CA	Elevation: 318 ft | 97 m
	Last Updated: July 29, 5:30 PM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 79°F | 26°C
	Pressure: 29.75 in | 1007.3 mb	Dewpoint: 56°F | 13°C
	Humidity: 45%	Wind: SW 10 mph | SW 16 kph
	Feels Like: 77°F | 25°C	Visibility: 85.4 mi | 137.5 km
	Lat/Long: 38.017 | -122.2883	Sunrise: 6:09 AM   Sunset: 8:21 PM

7 Day Graphical Forecast

Valid: 5:41 PM 7/29/2026

Today Partly Cloudy 80 |58 °F 26 |15 °C 0% Chance Precipitation Thursday Clear 87 |59 °F 30 |15 °C 1% Chance Precipitation Friday Clear 83 |58 °F 28 |15 °C 0% Chance Precipitation Saturday Clear 84 |60 °F 29 |16 °C 0% Chance Precipitation Sunday Clear 86 |61 °F 30 |16 °C 0% Chance Precipitation Monday Clear 91 |62 °F 33 |17 °C 0% Chance Precipitation Tuesday Clear 89 |64 °F 32 |18 °C 0% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:41 PM 7/29/2026

5 PM Clear 79 °F 0% Chance Precipitation

6 PM Clear 78 °F 0% Chance Precipitation

7 PM Clear 75 °F 0% Chance Precipitation

8 PM Clear 71 °F 0% Chance Precipitation

9 PM Clear 67 °F 0% Chance Precipitation

10 PM Clear 66 °F 0% Chance Precipitation

11 PM Clear 64 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Hercules, CA - (Fahrenheit & Celsius) Valid: 5:41 PM 7/29/2026 Today Partly Cloudy with a high near 80°F [26°C]. SW wind to around 15 mph [23 kph], with gusts to near 21 mph [33 kph]. Dewpoint near 56°F [13°C] with humidity of 92%. Pressure around 29.75 in [1007.3 mb]. UV Index: 8.1. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tonight Partly Cloudy with a low around 58°F [15°C]. SW wind to around 15 mph [23 kph], with gusts to near 21 mph [33 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Clear with a high near 87°F [30°C]. SW wind to around 13 mph [21 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 56°F [13°C] with humidity of 71%. Pressure around 29.75 in [1007.3 mb]. UV Index: 8.2. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Night Clear with a low around 59°F [15°C]. SW wind to around 13 mph [21 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Friday Clear with a high near 83°F [28°C]. SW wind to around 10 mph [16 kph], with gusts to near 15 mph [24 kph]. Dewpoint near 56°F [13°C] with humidity of 71%. Pressure around 29.75 in [1007.3 mb]. UV Index: 8.2. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Friday Night Clear with a low around 58°F [15°C]. SW wind to around 10 mph [16 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Clear with a high near 84°F [29°C]. SW wind to around 10 mph [16 kph], with gusts to near 14 mph [22 kph]. Dewpoint near 56°F [13°C] with humidity of 82%. Pressure around 29.75 in [1007.3 mb]. UV Index: 8.1. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Saturday Night Clear with a low around 60°F [16°C]. SW wind to around 10 mph [16 kph], with gusts to near 14 mph [22 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Clear with a high near 86°F [30°C]. SW wind to around 9 mph [15 kph], with gusts to near 16 mph [26 kph]. Dewpoint near 56°F [13°C] with humidity of 81%. Pressure around 29.75 in [1007.3 mb]. UV Index: 8.1. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Sunday Night Clear with a low around 61°F [16°C]. SW wind to around 9 mph [15 kph], with gusts to near 16 mph [26 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Clear with a high near 91°F [33°C]. SW wind to around 9 mph [14 kph], with gusts to near 15 mph [25 kph]. Dewpoint near 56°F [13°C] with humidity of 71%. Pressure around 29.75 in [1007.3 mb]. UV Index: 7.95. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Monday Night Clear with a low around 62°F [17°C]. SW wind to around 9 mph [14 kph], with gusts to near 15 mph [25 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 89°F [32°C]. SW wind to around 12 mph [19 kph], with gusts to near 19 mph [31 kph]. Dewpoint near 56°F [13°C] with humidity of 68%. Pressure around 29.75 in [1007.3 mb]. UV Index: 7.95. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 64°F [18°C]. SW wind to around 12 mph [19 kph], with gusts to near 19 mph [31 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Hercules, CA

Today: 0.0 mm | 0.00 in

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 0.0 mm | 0.00 in

Friday Night: 0.0 mm | 0.00 in

Saturday: 0.0 mm | 0.00 in

Saturday Night: 0.0 mm | 0.00 in

Sunday: 0.0 mm | 0.00 in

Sunday Night: 0.0 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Hercules, CA

Today: SW @ 23 kph | 15 mph

Tonight: SW @ 23 kph | 15 mph

Thursday: SW @ 21 kph | 13 mph

Thursday Night: SW @ 21 kph | 13 mph

Friday: SW @ 16 kph | 10 mph

Friday Night: SW @ 16 kph | 10 mph

Saturday: SW @ 16 kph | 10 mph

Saturday Night: SW @ 16 kph | 10 mph

Sunday: SW @ 15 kph | 9 mph

Sunday Night: SW @ 15 kph | 9 mph

Monday: SW @ 14 kph | 9 mph

Monday Night: SW @ 14 kph | 9 mph

Tuesday: SW @ 19 kph | 12 mph

Tuesday Night: SW @ 19 kph | 12 mph

7 Day and Night - Maximum Humidity Forecast for Hercules, CA

Today: 92 %

Tonight: 92 %

Thursday: 71 %

Thursday Night: 71 %

Friday: 71 %

Friday Night: 71 %

Saturday: 82 %

Saturday Night: 82 %

Sunday: 81 %

Sunday Night: 81 %

Monday: 71 %

Monday Night: 71 %

Tuesday: 68 %

Tuesday Night: 68 %

7 Day and Night - Snowfall Totals Forecast for Hercules, CA

Today: 0.0 cm | 0.00 in

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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