Hercules, CA Weather Forecast

Local 7-day forecast

47°
F

Chance Light Rain then Partly Cloudy

Track current conditions, temperature changes, wind, and the full daily outlook for Hercules, CA in one place.

Sunday, April 12, 2026
Wind: 6 to 12 mph W
Sunday Night

A chance of rain before 11pm. Partly cloudy, with a low around 47.

Local 7-day forecast

Local Weather Overview

This forecast page for Hercules, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 1:18 PM PDT.

The active forecast window currently covers Apr 12 to Apr 15, 2026 for Hercules, CA.

Page Snapshot

Page focus
city weather
Forecast window
Apr 12 to Apr 15, 2026
Latest sync
Apr 9, 2026 1:18 PM PDT
Forecast office
MTR
Source
NOAA / NWS
Next High
63°F
Monday
Next Low
47°F
Sunday Night
Rain Outlook
1
Periods mentioning precipitation
Windiest
6 to 12 mph
Sunday Night

Daily Outlook

Today
Apr 12
Sunny
63 °F
/ 47°F
Wind 6 to 10 mph
Mon
Apr 13
Sunny
66 °F
/ 48°F
Wind 3 to 9 mph
Tue
Apr 14
Mostly Sunny
67 °F
/ 49°F
Wind 5 to 8 mph
Wed
Apr 15
Partly Cloudy
51 °F
/ 51°F
Wind 5 to 8 mph

This Week in Hercules

Wednesday looks like the warmest upcoming period in Hercules at 67 degrees F.

Sunday Night is the coolest period ahead with temperatures near 47 degrees F.

The strongest winds are forecast for Sunday Night at about 6 to 12 mph W.

Precipitation is mentioned in 1 upcoming forecast period.

Forecast Details

Last updated
Apr 9, 2026 1:18 PM PDT
Coverage
4 days
Time zone
America/Los_Angeles
Forecast office
MTR
Radar station
KDAX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Monday
Apr 12
63°F
Sunny
6 to 10 mph WNW

Sunny, with a high near 63.

Monday Night
Apr 13
48°F
Mostly Clear
5 to 10 mph W

Mostly clear, with a low around 48.

Tuesday
Apr 13
66°F
Sunny
3 to 9 mph WSW

Sunny, with a high near 66.

Tuesday Night
Apr 14
49°F
Mostly Clear
5 to 9 mph WSW

Mostly clear, with a low around 49.

Wednesday
Apr 14
67°F
Mostly Sunny
5 to 8 mph WSW

Mostly sunny, with a high near 67.

Wednesday Night
Apr 15
51°F
Partly Cloudy
5 to 8 mph WSW

Partly cloudy, with a low around 51.

Detailed Forecast

Period Conditions Temp Wind
Sunday Night
Apr 12
Chance Light Rain then Partly Cloudy
47°F
6 to 12 mph
W
Monday
Apr 12
Sunny
63°F
6 to 10 mph
WNW
Monday Night
Apr 13
Mostly Clear
48°F
5 to 10 mph
W
Tuesday
Apr 13
Sunny
66°F
3 to 9 mph
WSW
Tuesday Night
Apr 14
Mostly Clear
49°F
5 to 9 mph
WSW
Wednesday
Apr 14
Mostly Sunny
67°F
5 to 8 mph
WSW
Wednesday Night
Apr 15
Partly Cloudy
51°F
5 to 8 mph
WSW
Refugio Valley Park Hercules California
Refugio Valley Park Hercules California image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.