Measurements:
°C
°F
Montauk
62°F
SE 27 mph
Feels like: 62°F
Precip: 2%
World Resorts USA Montauk Weather

7 Day Weather Forecast

10.05
mon
DAY
64°F
E 19 mph
precip
7%
NIGHT
58°F
SE 22 mph
precip
2%
10.06
tue
DAY
54°F
SE 19 mph
precip
2%
NIGHT
58°F
SE 13 mph
precip
1%
10.07
wed
DAY
62°F
NE 12 mph
precip
2%
NIGHT
64°F
NE 23 mph
precip
8%
10.08
thu
DAY
68°F
NE 24 mph
precip
11%
NIGHT
66°F
S 12 mph
precip
8%
10.09
fri
DAY
62°F
SE 16 mph
precip
3%
NIGHT
64°F
E 12 mph
precip
4%
10.10
sat
DAY
62°F
SE 14 mph
precip
5%
NIGHT
62°F
W 9 mph
precip
12%
10.11
sun
DAY
64°F
N 15 mph
precip
16%
NIGHT
64°F
N 12 mph
precip
57%

Montauk Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Montauk was 18.2°F. The maximum and minimum values were 15.6°F and 20.7°F respectively.

Montauk on the Weather Map

Best Time to Visit Montauk
The most sunny months:
November 16 days
October 14 days
December 14 days
The most warm months:
July 80.0 °F
August 79.0 °F
June 72.5 °F
Warmest sea temperature:
August 72.6 °F
September 71.0 °F
July 70.2 °F
The most cold months:
January 35.1 °F
February 35.3 °F
December 41.0 °F
The most rainy months:
October 4 days
November 3 days
March 3 days
The most windy months:
December 14 mph
January 14 mph
March 13 mph