☀️ Marco Island Weekly Weather

Monday May 11 – Sunday May 17, 2026

🌡️ Overview

Marco Island heads into another hot and humid southwest Florida week with summer-like conditions building. Afternoon heat index values could push above 100°F (38°C) at times, especially Monday, Friday, and the weekend. Rain chances stay fairly low early in the week before isolated afternoon thunderstorms return by midweek and next weekend. (National Weather Service)

📅 Daily Breakdown

Monday 🌤️

• Hot and humid with partial sunshine

• High near 89°F (32°C)

• Feels like: 100–106°F

• Light afternoon sea breeze

• Low rain chance

Tuesday ⛅

• Mix of clouds and sun

• Slight chance of a late-day shower

• High around 87°F (30°C)

Wednesday ⛈️

• Best rain chance of the week

• Scattered afternoon thunderstorms possible

• High near 87°F (30°C)

• Brief heavy downpours and lightning possible

Thursday ☀️

• Mostly sunny and very warm

• Breezy at times

• High near 90°F (32°C)

Friday 🔥

• Hottest stretch begins

• Mostly sunny skies

• High around 91°F (33°C)

• Heat index above 100°F

Saturday 🌞

• Very hot with abundant sunshine

• High near 92°F (33°C)

• Gulf waters remain warm and calm

Sunday 🌦️

• Partly sunny

• Isolated afternoon showers possible

• High around 91°F (33°C)

🌊 Beach & Marine Outlook

• Gulf water temperatures: around 84–86°F (29–30°C)

• Generally light winds and low surf

• UV Index remains very high all week

• Best beach days: Thursday through Saturday (Yandex)

🎣 Fishing Outlook

✅ Early mornings remain best for:

• Snook

• Tarpon

• Redfish

⚠️ Afternoon heat may slow the bite inland, but offshore conditions look favorable most of the week.

🌅 Sunrise & Sunset

• Sunrise: ~6:37 AM

• Sunset: ~7:57 PM

• Days continue getting longer heading toward summer. (Time and Date)

🏖️ Weekly Beach Score

(National Weather Service)