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
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
Naples 81.9°F 81.6°F
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°F 79.2°F
Cape Coral 81.1°F 81.2°F
Kailua Kona 80.9°F 80.6°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Siesta Key 80.4°F 80.7°F
Houston 80.4°F 78.8°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°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 43.3 °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
+32°F
E 6 mph
Feels like: +30°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+77°F
+77°F
+70°F
+70°F
+73°F
+77°F
+72°F
+37°F
+66°F
+52°F
+73°F
+75°F
+63°F
+36°F
24 Hours Forecast
Fire Island
Local time: 15:24
December 16, tuesday
1800
30°F
E
8 mph
2100
30°F
NE
11 mph
December 17, wednesday
0000
30°F
NE
12 mph
0300
32°F
NE
13 mph
0600
36°F
NE
13 mph
0900
37°F
NE
15 mph
1200
39°F
NE
14 mph
1500
39°F
NE
16 mph
Units of measurement: °C / °F