Hercules, CA Weather Forecast
Local 7-day forecast
Chance Light Rain then Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Hercules, CA in one place.
A chance of rain before 11pm. Partly cloudy, with a low around 47.
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
Daily Outlook
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 sourceExtended Forecast
Sunny, with a high near 63.
Mostly clear, with a low around 48.
Sunny, with a high near 66.
Mostly clear, with a low around 49.
Mostly sunny, with a high near 67.
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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hercules.