10-day forecast for Hercules, CA: 52° to 73°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Tuesday, October 27
64° · 0.25 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2269° / 56°0.19
Morning56°feels 56°
Afternoon69°feels 69°
Evening60°feels 60°
Overnight57°feels 57°
69 °
Hercules, Thursday, 22 October
Rain. High 69°, low 56°.
Pressure29.94 inHg
Wind4.2 mph SW
Humidity79%
Visibility6.2 mi
Dew point57°
Fri, 2367° / 55°0
Morning55°feels 55°
Afternoon67°feels 66°
Evening61°feels 60°
Overnight58°feels 57°
67 °
Hercules, Friday, 23 October
Overcast. High 67°, low 55°.
Pressure30.06 inHg
Wind1.8 mph N
Humidity75%
Visibility6.2 mi
Dew point55°
Sat, 2468° / 52°0
Morning52°feels 51°
Afternoon68°feels 66°
Evening60°feels 59°
Overnight56°feels 55°
68 °
Hercules, Saturday, 24 October
Partly cloudy. High 68°, low 52°.
Pressure30.03 inHg
Wind1.3 mph SW
Humidity65%
Visibility6.2 mi
Dew point48°
Sun, 2568° / 52°0
Morning55°feels 55°
Afternoon60°feels 59°
Evening65°feels 65°
Overnight54°feels 53°
68 °
Hercules, Sunday, 25 October
Overcast. High 68°, low 52°.
Pressure30.09 inHg
Wind4.8 mph SW
Humidity76%
Visibility—
Dew point51°
Mon, 2667° / 53°0
Morning56°feels 56°
Afternoon61°feels 60°
Evening66°feels 65°
Overnight60°feels 59°
67 °
Hercules, Monday, 26 October
Clear. High 67°, low 53°.
Pressure30.12 inHg
Wind9.4 mph W
Humidity73%
Visibility—
Dew point51°
Tue, 2773° / 59°0
Morning62°feels 60°
Afternoon67°feels 65°
Evening69°feels 67°
Overnight62°feels 60°
73 °
Hercules, Tuesday, 27 October
Mostly clear. High 73°, low 59°.
Pressure30.06 inHg
Wind7.4 mph SW
Humidity36%
Visibility—
Dew point38°
Wed, 2872° / 59°0
Morning61°feels 59°
Afternoon67°feels 65°
Evening70°feels 68°
Overnight63°feels 61°
72 °
Hercules, Wednesday, 28 October
Overcast. High 72°, low 59°.
Pressure30.00 inHg
Wind6.6 mph SW
Humidity33%
Visibility—
Dew point35°
Thu, 2971° / 62°0
Morning63°feels 61°
Afternoon67°feels 65°
Evening67°feels 66°
Overnight63°feels 62°
71 °
Hercules, Thursday, 29 October
Overcast. High 71°, low 62°.
Pressure29.97 inHg
Wind7.8 mph SW
Humidity32%
Visibility—
Dew point35°
Fri, 3064° / 62°0.25
Morning63°feels 63°
Afternoon63°feels 63°
Evening64°feels 64°
Overnight62°feels 62°
64 °
Hercules, Friday, 30 October
Light rain. High 64°, low 62°.
Pressure29.83 inHg
Wind9.4 mph SW
Humidity76%
Visibility—
Dew point55°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Hercules, CA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.