Hercules Weather Forecast
- 55
- 67
Increasing Clouds
- 55
- 66
Mostly Cloudy
- 55
- 63
Mostly Cloudy
- 53
- 62
Partly Sunny
- 53
- 62
Slight Chance Rain
- 55
- 64
Partly Sunny
Today 30 Apr East Bay Interior Valleys
Sunny. Highs near 80. West Winds 5 to 15 Mph.
Tonight 30 Apr East Bay Interior Valleys
Mostly clear. Lows in the lower 50s. Southwest Winds 5 to 15 Mph.
Hercules Temperature Statistics
April Temperature
Concord, Buchanan Field (13 miles)
Lowest 3 April, 2026
40.6 °FAverage April
60.9 °FHighest 5 April, 2026
84.7 °F
Climate (2021–Present)
Concord, Buchanan Field (13 miles)
Average Low 2021–2026
51 °FAverage 2021–2026
61.5 °FAverage High 2021–2026
74.4 °F