World Resorts

USA

Fire Island Weather

Fire Island 14 Days Forecast

21.07
tue

Day

77°F

NW 14 mph

Precip.
23%

Night

72°F

N 11 mph

Precip.
66%

22.07
wed

Day

81°F

NE 14 mph

Precip.
36%

Night

72°F

S 9 mph

Precip.
7%

23.07
thu

Day

72°F

SE 8 mph

Precip.
1%

Night

68°F

W 3 mph

Precip.
3%

24.07
fri

Day

77°F

N 2 mph

Precip.
1%

Night

68°F

W 5 mph

Precip.
10%

25.07
sat

Day

77°F

W 11 mph

Precip.
1%

Night

70°F

N 4 mph

Precip.
4%

26.07
sun

Day

81°F

N 5 mph

Precip.
1%

Night

72°F

NE 10 mph

Precip.
6%

27.07
mon

Day

82°F

NE 13 mph

Precip.
6%

Night

72°F

W 4 mph

Precip.
81%

28.07
tue

Day

81°F

E 6 mph

Precip.
5%

Night

75°F

NW 8 mph

Precip.
5%

29.07
wed

Day

79°F

SW 7 mph

Precip.
3%

Night

73°F

W 7 mph

Precip.
14%

30.07
thu

Day

79°F

W 9 mph

Precip.
3%

Night

70°F

W 6 mph

Precip.
8%

31.07
fri

Day

79°F

NW 7 mph

Precip.
2%

Night

72°F

N 8 mph

Precip.
16%

01.08
sat

Day

82°F

NE 12 mph

Precip.
39%

Night

75°F

N 5 mph

Precip.
36%

02.08
sun

Day

84°F

E 7 mph

Precip.
1%

Night

81°F

E 3 mph

Precip.
5%

03.08
mon

Day

88°F

NE 8 mph

Precip.
17%

Night

81°F

NE 9 mph

Precip.
17%

sea water
temperature

Fire Island

monthly
weather

Fire Island

current
weather

Fire Island

7 days
forecast

Fire Island

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in July of 2026 was 74.8°F. The highest and lowest sea temperatures during the month were 81.5°F and 71.6°F.

Show year:

2025

2024

2023

The average sea water temperature in August of 2025 was 73.8°F. The highest and lowest sea temperatures during the month were 78.4°F and 69.6°F.