Fire Island (FI) and NYC Weather

🌤️ Weather Forecast – August 29, 2026 (10:30 AM Update)

📍 NYC & Fire Island

Wow, what a nice day! 😎 Today will feature low humidity and comfortable temperatures.

Tomorrow will start out nice, then clouds will move in, with showers possible by sunset.

Next week will turn hot and humid, with chances of showers and thunderstorms as we find ourselves around the “Ring of Fire” on the northern edge of an intense heat wave centered to our south and west.

Cooler weather could move in by the following weekend.

⚠️ Mosquito Alert: Mosquito populations have increased significantly. Be sure to use insect repellent and eliminate any standing water around your home.

⚠️ Important Tick Information: They are really out now, so be careful!

https://www.facebook.com/groups/141584049360024/permalink/3155886817929717/

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🌀 Hurricane Update

NHC Tropical Weather Outlook:

https://www.nhc.noaa.gov/gtwo.php?basin=atlc&fdays=7

Tropical Storm Dolly has died out.

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🌊 Water Temperatures

* 🌊 Atlantic Ocean: 72°F

* 🌅 Great South Bay: 76°F

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🔗 Tides

NOAA Tide Predictions – Cherry Grove (Ocean)

https://tidesandcurrents.noaa.gov/noaatidepredictions.html?id=8515228&units=standard&bdate=20260828&edate=20260829&timezone=LST/LDT&clock=12hour&datum=MLLW&interval=hilo&action=dailychart

Great South Bay – Sayville (Brown Creek)

https://www.tide-forecast.com/locations/Sayville-Brown-Creek-Long-Island-New-York/tides/latest

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💧 How Dew Points Feel

* 🌵 Below 55°F: Dry and comfortable

* 🙂 55–60°F: Pleasant

* 😐 60–65°F: Becoming humid

* 🥵 65–70°F: Muggy

* 🔥 70–75°F: Very muggy and oppressive

* ⚠️ Above 75°F: Extreme humidity with increased heat stress risk

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📅 Detailed Forecast

Saturday • August 29

* 🌤️ Sun and clouds

* 🌬️ NW winds: 10–25 mph

* 🌡️ Highs: Low 80s in NYC, upper 70s on Fire Island

* 💧 Dew Point: Low 50s

* 🔒 Confidence: High

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Tonight

* 🌙 Mainly clear

* 🌬️ NW winds: 5–15 mph

* 🌡️ Lows: Mid 60s

* 💧 Dew Point: Low 60s later on

* 🔒 Confidence: High

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Sunday • August 30

* ☀️ Mainly sunny, then clouds increasing later, with rain possible by late afternoon

* 🌬️ SW winds: 5–15 mph

* 🌡️ Highs: Low 80s

* 💧 Dew Point: Low 60s in NYC, upper 60s on Fire Island

* 🔒 Confidence: High

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Monday • August 31

* 🌤️ Sun and clouds, with isolated showers possible

* 🌬️ Southwest winds: 5–15 mph

* 🌡️ Highs: Low 80s on Fire Island, mid 80s in NYC

* 💧 Dew Point: Mid 60s in NYC, upper 60s on Fire Island

* 🔒 Confidence: High

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Tuesday • September 1

* 🌦️ Mainly sunny, with isolated showers and thunderstorms possible

* 🌬️ Southwest winds: 10–25 mph

* 🌡️ Highs: Mid 80s on Fire Island, low 90s in NYC

* 💧 Dew Point: Upper 60s in NYC, low 70s on Fire Island

* 🔒 Confidence: Medium

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Wednesday • September 2

* 🌦️ Sun and clouds, with scattered showers and thunderstorms possible

* 🌬️ South winds: 10–25 mph

* 🌡️ Highs: Low 80s on Fire Island, low 90s in NYC

* 💧 Dew Point: Upper 60s in NYC, low 70s on Fire Island

* 🔒 Confidence: Medium

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Thursday • September 3

* 🌦️ Mainly sunny, with scattered showers and thunderstorms possible

* 🌬️ Southwest winds: 10–25 mph

* 🌡️ Highs: Low to mid 80s on Fire Island, low 90s in NYC

* 💧 Dew Point: Upper 60s in NYC, low 70s on Fire Island

* 🔒 Confidence: Low

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Friday • September 4

* ☀️ Mainly sunny

* 🌬️ Winds: Light and variable

* 🌡️ Highs: Low 80s

* 💧 Dew Point: Mid 60s in NYC, upper 60s on Fire Island

* 🔒 Confidence: Low

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Saturday • September 5

* 🌤️ Sun and clouds

* 🌬️ NE winds: 5–15 mph

* 🌡️ Highs: Low 80s in NYC, upper 70s on Fire Island

* 💧 Dew Point: Upper 50s

* 🔒 Confidence: Low

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Mitchel Volk, MS – Meteorologist, MBA

🌤️ FI NYC Weather

🌀 “We’ve got your weather — coming and going.”