10-day forecast for Hercules, CA: 46° to 70°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Friday, October 30
65° · 0.15 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3070° / 49°0.01
Morning51°feels 50°
Afternoon70°feels 69°
Evening54°feels 53°
Overnight51°feels 50°
70 °
Hercules, Friday, 30 October
Light rain. High 70°, low 49°.
Pressure29.91 inHg
Wind2.6 mph W
Humidity70%
Visibility6.2 mi
Dew point53°
Sat, 3165° / 46°0
Morning54°feels 54°
Afternoon65°feels 64°
Evening60°feels 59°
Overnight48°feels 46°
65 °
Hercules, Saturday, 31 October
Partly cloudy. High 65°, low 46°.
Pressure29.94 inHg
Wind7 mph SW
Humidity59%
Visibility6.2 mi
Dew point49°
Sun, 0165° / 53°0
Morning53°feels 52°
Afternoon63°feels 61°
Evening59°feels 58°
Overnight56°feels 56°
65 °
Hercules, Sunday, 1 November
Clear. High 65°, low 53°.
Pressure29.94 inHg
Wind3 mph NW
Humidity59%
Visibility6.2 mi
Dew point46°
Mon, 0266° / 51°0
Morning51°feels 50°
Afternoon66°feels 65°
Evening65°feels 64°
Overnight55°feels 54°
66 °
Hercules, Monday, 2 November
Overcast. High 66°, low 51°.
Pressure30.15 inHg
Wind1.7 mph W
Humidity71%
Visibility6.2 mi
Dew point52°
Tue, 0365° / 54°0
Morning55°feels 55°
Afternoon59°feels 58°
Evening64°feels 63°
Overnight58°feels 58°
65 °
Hercules, Tuesday, 3 November
Overcast. High 65°, low 54°.
Pressure30.09 inHg
Wind7.3 mph SW
Humidity85%
Visibility—
Dew point52°
Wed, 0465° / 56°0.15
Morning58°feels 57°
Afternoon60°feels 59°
Evening63°feels 62°
Overnight60°feels 60°
65 °
Hercules, Wednesday, 4 November
Light rain. High 65°, low 56°.
Pressure29.88 inHg
Wind5.1 mph S
Humidity77%
Visibility—
Dew point52°
Thu, 0565° / 56°0.04
Morning58°feels 58°
Afternoon60°feels 60°
Evening61°feels 59°
Overnight57°feels 55°
65 °
Hercules, Thursday, 5 November
Light rain. High 65°, low 56°.
Pressure30.00 inHg
Wind12.1 mph W
Humidity78%
Visibility—
Dew point53°
Fri, 0664° / 51°0
Morning53°feels 51°
Afternoon58°feels 56°
Evening63°feels 61°
Overnight57°feels 55°
64 °
Hercules, Friday, 6 November
Mostly clear. High 64°, low 51°.
Pressure30.09 inHg
Wind6.9 mph SW
Humidity47%
Visibility—
Dew point37°
Sat, 0766° / 54°0
Morning56°feels 55°
Afternoon61°feels 59°
Evening65°feels 63°
Overnight58°feels 57°
66 °
Hercules, Saturday, 7 November
Partly cloudy. High 66°, low 54°.
Pressure30.12 inHg
Wind3.8 mph SW
Humidity42%
Visibility—
Dew point36°
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.