Hercules, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Hercules, CA in one place.
Sunny, with a high near 70. Northwest wind 1 to 8 mph.
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: Oct 13, 2026 9:10 AM PDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Hercules, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 9:10 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Hercules
Friday looks like the warmest upcoming period in Hercules at 83 degrees F.
Tonight is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Monday at about 13 to 18 mph WSW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 9:10 AM PDT
- Coverage
- 8 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
Mostly clear, with a low around 52. Southwest wind 2 to 9 mph.
Sunny, with a high near 72. South southwest wind around 6 mph.
Mostly clear, with a low around 54. South southwest wind 2 to 6 mph.
Sunny, with a high near 81. Northeast wind 2 to 9 mph.
Clear, with a low around 58.
Sunny, with a high near 83.
Clear, with a low around 57.
Sunny, with a high near 77.
Mostly clear, with a low around 56.
Sunny, with a high near 67.
Mostly clear, with a low around 55.
A slight chance of rain between 11am and 5pm. Mostly sunny, with a high near 63.
A slight chance of rain after 11pm. Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Sunny
|
70°F |
1 to 8 mph
NW
|
|
Tonight
Oct 13
|
Mostly Clear
|
52°F |
2 to 9 mph
SW
|
|
Wednesday
Oct 14
|
Sunny
|
72°F |
6 mph
SSW
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
54°F |
2 to 6 mph
SSW
|
|
Thursday
Oct 15
|
Sunny
|
81°F |
2 to 9 mph
NE
|
|
Thursday Night
Oct 15
|
Clear
|
58°F |
0 to 5 mph
NW
|
|
Friday
Oct 16
|
Sunny
|
83°F |
3 to 12 mph
NNE
|
|
Friday Night
Oct 16
|
Clear
|
57°F |
0 to 3 mph
WNW
|
|
Saturday
Oct 17
|
Sunny
|
77°F |
2 to 7 mph
NNW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
56°F |
7 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
67°F |
6 to 9 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
55°F |
9 to 13 mph
WSW
|
|
Monday
Oct 19
|
Slight Chance Light Rain
|
63°F |
13 to 18 mph
WSW
|
|
Monday Night
Oct 19
|
Slight Chance Light Rain
|
53°F |
12 to 18 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hercules.
