Hercules, CA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Hercules, CA in one place.
Mostly clear, with a low around 59. South southwest wind around 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: Jul 14, 2026 2:02 AM PDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Hercules, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 2:02 AM PDT
- Forecast office
- MTR
- Source
- NOAA / NWS
Daily Outlook
This Week in Hercules
Tuesday looks like the warmest upcoming period in Hercules at 84 degrees F.
Friday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 12 mph SSW.
The forecast from Jul 14 through Jul 20 stays mostly dry.
Forecast Details
- Last updated
- Jul 14, 2026 2:02 AM PDT
- Coverage
- 7 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. High near 84, with temperatures falling to around 82 in the afternoon. South southwest wind 6 to 10 mph.
Mostly clear, with a low around 59. South southwest wind around 9 mph.
Sunny, with a high near 82. South southwest wind 8 to 12 mph.
Mostly clear, with a low around 58. Southwest wind around 12 mph.
Sunny, with a high near 75.
Mostly clear, with a low around 55.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 71.
Mostly cloudy, with a low around 56.
Partly sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 14
|
Mostly Clear
|
59°F |
8 mph
SSW
|
|
Tuesday
Jul 14
|
Sunny
|
84°F |
6 to 10 mph
SSW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
59°F |
9 mph
SSW
|
|
Wednesday
Jul 15
|
Sunny
|
82°F |
8 to 12 mph
SSW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
58°F |
12 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
75°F |
12 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
55°F |
12 mph
SW
|
|
Friday
Jul 17
|
Mostly Sunny
|
68°F |
12 mph
SW
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
54°F |
12 mph
SW
|
|
Saturday
Jul 18
|
Mostly Sunny
|
70°F |
10 mph
SW
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
55°F |
10 mph
SW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
71°F |
7 to 10 mph
SW
|
|
Sunday Night
Jul 19
|
Mostly Cloudy
|
56°F |
10 mph
SW
|
|
Monday
Jul 20
|
Partly Sunny
|
72°F |
10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hercules.