World Resorts USA Fire Island Weather

Fire Island Sea Temperature in October

Average sea water temperature in October:
+65.0°F
Minimum sea water temperature in October: 78.1°F
Maximum sea water temperature in October: 57.2°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 65.5°F. The highest and lowest sea temperatures during the month were 71.6°F and 61.0°F.

Monthly sea water temperature in Fire Island, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
South Padre Island 84.0°F 82.4°F
Key West 83.8°F 82.9°F
West Palm Beach 83.5°F 83.3°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Islamorada 83.1°F 82.9°F
Key Largo 83.0°F 83.1°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Marco Island 82.0°F 81.9°F
Naples 81.9°F 81.6°F
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°F 79.2°F
Galveston Island 81.1°F 79.2°F
Kailua Kona 80.9°F 80.6°F
Galveston 80.8°F 78.8°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Siesta Key 80.4°F 80.7°F

Best time for vacation in Fire Island

Sunniest months:
November 16 days
September 15 days
October 14 days
Warmest months:
July 81.4 °F
August 79.7 °F
June 74.2 °F
Warmest sea temp:
July 76.8 °F
August 76.1 °F
September 72.2 °F
Coldest months:
January 37.9 °F
February 38.8 °F
December 42.4 °F
Rainiest months:
December 3 days
March 3 days
April 3 days
Windiest months:
March 11.9 mph
January 11.6 mph
November 11.5 mph

Fire Island on a weather map

Fire Island
+39°F
NE 14 mph
Feels like: +34°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+72°F
+72°F
+68°F
+77°F
+73°F
+73°F
+70°F
+39°F
+77°F
+55°F
+70°F
+68°F
+63°F
+37°F
24 Hours Forecast
Fire Island
Local time: 18:15
January 12, monday
2100
37°F
NE
14 mph
January 13, tuesday
0000
36°F
NE
13 mph
0300
32°F
E
11 mph
0600
32°F
E
9 mph
0900
36°F
E
8 mph
1200
43°F
NE
11 mph
1500
43°F
NE
10 mph
1800
41°F
NE
8 mph
Units of measurement: °C / °F