Hercules, CA Weather Forecast

Local 7-day forecast

59°
F

Mostly Clear

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

Tuesday, July 14, 2026
Wind: 8 mph SSW
Overnight

Mostly clear, with a low around 59. South southwest wind around 8 mph.

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: 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
Next High
84°F
Tuesday
Next Low
59°F
Overnight
Rain Outlook
0
Periods mentioning precipitation
Windiest
8 to 12 mph
Wednesday

Daily Outlook

Today
Jul 14
Sunny
84 °F
/ 59°F
Wind 6 to 10 mph
Wed
Jul 15
Sunny
82 °F
/ 58°F
Wind 8 to 12 mph
Thu
Jul 16
Sunny
75 °F
/ 55°F
Wind 12 mph
Fri
Jul 17
Mostly Sunny
68 °F
/ 54°F
Wind 12 mph
Sat
Jul 18
Mostly Sunny
70 °F
/ 55°F
Wind 10 mph
Sun
Jul 19
Mostly Sunny
71 °F
/ 56°F
Wind 7 to 10 mph
Mon
Jul 20
Partly Sunny
72 °F
Wind 10 mph

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 source

Extended Forecast

Tuesday
Jul 14
84°F
Sunny
6 to 10 mph SSW

Sunny. High near 84, with temperatures falling to around 82 in the afternoon. South southwest wind 6 to 10 mph.

Tuesday Night
Jul 14
59°F
Mostly Clear
9 mph SSW

Mostly clear, with a low around 59. South southwest wind around 9 mph.

Wednesday
Jul 15
82°F
Sunny
8 to 12 mph SSW

Sunny, with a high near 82. South southwest wind 8 to 12 mph.

Wednesday Night
Jul 15
58°F
Mostly Clear
12 mph SW

Mostly clear, with a low around 58. Southwest wind around 12 mph.

Thursday
Jul 16
75°F
Sunny
12 mph SW

Sunny, with a high near 75.

Thursday Night
Jul 16
55°F
Mostly Clear
12 mph SW

Mostly clear, with a low around 55.

Friday
Jul 17
68°F
Mostly Sunny
12 mph SW

Mostly sunny, with a high near 68.

Friday Night
Jul 17
54°F
Partly Cloudy
12 mph SW

Partly cloudy, with a low around 54.

Saturday
Jul 18
70°F
Mostly Sunny
10 mph SW

Mostly sunny, with a high near 70.

Saturday Night
Jul 18
55°F
Partly Cloudy
10 mph SW

Partly cloudy, with a low around 55.

Sunday
Jul 19
71°F
Mostly Sunny
7 to 10 mph SW

Mostly sunny, with a high near 71.

Sunday Night
Jul 19
56°F
Mostly Cloudy
10 mph SW

Mostly cloudy, with a low around 56.

Monday
Jul 20
72°F
Partly Sunny
10 mph SW

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
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.