Key Largo & John Pennekamp Coral Reef State Park, FL

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Outdoor landscape at Key Largo & John Pennekamp Coral Reef State Park in Florida

Today’s Forecast:

🌤
81°F
High: 82° | Low: 64°
Current Temperature
Station: KHST
Observed at: 10:55 am CST on 11/13/26
Wind: 6 mph | Humidity: 59%
⚠️
Coastal Flood Statement
Coastal Flood Statement issued November 13 at 12:44PM EST until November 14 at 7:00AM EST by NWS Key West FL (Expires: November 14, 2026 6:00 am)
Show Alert Details & Instructions
Description: * WHAT...Minor saltwater flooding. * WHERE...Upper Florida Keys, especially Bayside Communities. * WHEN...Through Saturday morning. * IMPACTS...Minor saltwater flooding of low elevation streets and lots is likely. Some storm drains will overflow, and some seawalls and docks will be overtopped. Boaters can expect less clearance under fixed bridges. Motorists should remember that persistent puddles around the times of high tide are almost certain to contain a mix of saltwater. Instructions: Do not drive through flooded roadways.
This Afternoon:A slight chance of rain showers. Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight:A slight chance of rain showers. Partly cloudy, with a low around 64. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Saturday:A slight chance of rain showers before 7am. Mostly sunny, with a high near 74. North wind 10 to 15 mph.
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Today’s Report:

⛵ Boating

Use Caution
  45 /100

Use Caution for boating. High near 74°F. Low rain risk (2%). Breezy winds (15 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 45/100
Use Caution for boating. High near 72°F. Low rain risk (9%). Breezy winds (15 mph).

🛶 Paddling

Use Caution
  45 /100

Use Caution for paddling. High near 74°F. Low rain risk (2%). Breezy winds (15 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 45/100
Use Caution for paddling. High near 72°F. Low rain risk (9%). Breezy winds (15 mph).

🐟 Fishing

Use Caution
  47 /100

Use Caution for fishing. High near 74°F. Low rain risk (2%). Breezy winds (15 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 47/100
Use Caution for fishing. High near 72°F. Low rain risk (9%). Breezy winds (15 mph).

⛺ Camping

Excellent
  97 /100

Excellent for camping. High near 74°F. Low rain risk (2%). Breezy winds (15 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 97/100
Excellent for camping. High near 72°F. Low rain risk (9%). Breezy winds (15 mph).

🎪 Outdoor Events / Activities

Excellent
  97 /100

Excellent for outdoor events / activities. High near 74°F. Low rain risk (2%). Breezy winds (15 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 97/100
Excellent for outdoor events / activities. High near 72°F. Low rain risk (9%). Breezy winds (15 mph).

About Key Largo & John Pennekamp Coral Reef State Park

The forecast point for Key Largo & John Pennekamp Coral Reef State Park represents conditions near Key Largo, while exposed water, beaches, wetlands, courses, or remote access within the coverage area may differ. The day’s key decisions involve marine wind and waves, reef visibility, tides, lightning, and boat operations.

Planning an Outing at John Pennekamp Coral Reef State Park

Check marine wind and waves, reef visibility, tides, lightning, and boat operations for the exact access point and activity—not just the nearest city forecast. Confirm current park, refuge, marina, ramp, ferry, road, bridge, course, or operator notices that apply to Key Largo & John Pennekamp Coral Reef State Park, and preserve enough daylight and shelter margin to change plans.

Weather Tips for Key Largo

  • Check wind, tides, marine forecasts, beach flags or inlet current, and water-quality notices for the exact access area.
  • Leave beaches, boats, piers, jetties, and exposed shorelines immediately when thunder is heard.
  • During tropical threats, follow local evacuation, bridge, marina, ferry, campground, and coastal-closure instructions; storm surge may affect access before landfall.
  • Check conditions near Florida Bay shortly before the activity starts.
  • Use sun protection, hydration, insect protection, and a reliable lightning shelter.

Nearby Towns and Areas

Use this forecast as practical context for outdoor plans near:

  • Largo Sound
  • Molasses Reef
  • Florida Bay
  • Tavernier
  • Dagny Johnson hammock
  • Rodriguez Key

Adjust the Day to the Forecast

Use a protected mangrove route when offshore seas reduce reef access, and confirm concession, boat, and Overseas Highway status before departure.

7-Day Forecast for John Pennekamp Coral Reef State Park, FL

🌤
81°F
High: 82° | Low: 64°
Current Temperature
Station: KHST
Observed at: 10:55 am CST on 11/13/26
Wind: 6 mph | Humidity: 59%
Fri 🌧
82° 64°
18%
Sat 🌧
74° 63°
14%
Sun ⛅
77° 70°
9%
Mon 🌧
79° 74°
12%
Tue 🌧
81° 74°
46%
Wed ⛈
81° 73°
46%
Thu 🌧
82° 74°
43%

7-Day High Temperature Trend

82° Fri 74° Sat 77° Sun 79° Mon 81° Tue 81° Wed 82° Thu

7-Day Low Temperature Trend

64° Fri 63° Sat 70° Sun 74° Mon 74° Tue 73° Wed 74° Thu

📊 7-Day Outdoor Outlook

Good Fair Poor 20 Fri 100 Sat 85 Sun 72 Mon 12 Tue 3 Wed 12 Thu
Forecast data from the National Weather Service  |  Last Updated: November 13, 2026 10:27 pm CST

Weather by Season

Winter

Dry-season visibility can be excellent between fronts; offshore wind and waves still determine whether boats leave port. For boating near Key Largo, check the destination-specific forecast and operating notice before committing.

Spring

Reef and bay trips benefit from early calm periods, with sea breeze and lightning increasingly limiting afternoons. For paddling near Largo Sound, check the destination-specific forecast and operating notice before committing.

Summer

Offshore heat and lightning require early departures and rapid shelter; visibility can fall after heavy rain or rough weather. For fishing near Molasses Reef, check the destination-specific forecast and operating notice before committing.

Fall

Tropical swell and cancellations remain possible before cooler air returns; each front then resets wind and visibility. For camping near Florida Bay, check the destination-specific forecast and operating notice before committing.

Key Climate Data Points

  • Annual average temperature: roughly 76–79°F in South Florida and the Keys.
  • Annual snowfall: measurable snowfall is essentially absent; rare cold snaps can still bring frost inland.
  • Warmest months: July and August are generally hottest, with heat index often more important than air temperature.
  • Coolest months: January is usually coolest; passing cold fronts can create abrupt wind and temperature changes.
  • Wettest season: Summer and early fall usually bring the most rain, thunderstorms, and tropical moisture.
  • Driest season: Late fall through spring is generally drier, with regional drought and wildfire concerns possible.
  • Best outdoor window: Late fall through spring often offers lower humidity; warm-season plans benefit from early starts and storm flexibility.