Measurements:
°C
°F
Hatteras Island
78°F
SW 21 mph
Feels like: 80°F
Precip: 3%
World Resorts USA Hatteras Island Weather

Hatteras Island Sea Water Temperature

Current Sea Water Temperature:
+85.4°F
Maximum Sea Water Temperature in September: 87.8°F
Minimum Sea Water Temperature in September: 73.0°F
Average water temperature in September: 81.1°F

Sea Water Temperature for the Last 10 Days:

September 15 85.4°F September 10 84.6°F
September 14 85.4°F September 09 83.8°F
September 13 85.4°F September 08 82.6°F
September 12 84.4°F September 07 86.2°F
September 11 84.8°F September 06 86.4°F

When is the Warmest Sea for Hatteras Island?

According to our data for the last three years for Hatteras Island the highest average sea water temperature was in July, August and September.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Hatteras Island was 84.6°F. The maximum and minimum values were 81.4°F and 86.8°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Hatteras Island was 85.7°F. The maximum and minimum values were 82.4°F and 88.4°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Hatteras Island was 85.3°F. The maximum and minimum values were 82.6°F and 87.6°F respectively.

Best Time to Visit Hatteras Island
The most sunny months:
October 15 days
June 14 days
December 14 days
The most warm months:
July 85.1 °F
August 83.7 °F
June 79.2 °F
Warmest sea temperature:
July 85.0 °F
August 84.7 °F
September 80.8 °F
The most cold months:
January 48.2 °F
February 49.1 °F
December 53.7 °F
The most rainy months:
July 4 days
August 4 days
December 3 days
The most windy months:
March 16 mph
January 15 mph
February 15 mph

Hatteras Island on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
24 Hours Weather Forecast
Hatteras Island
Local time: 09:42
15 sep, tuesday
1200 80°F
SW
20 mph
1500 80°F
SW
19 mph
1800 80°F
SW
19 mph
2100 80°F
SW
19 mph
16 sep, wednesday
0000 80°F
SW
19 mph
0300 80°F
SW
15 mph
0600 80°F
SW
16 mph
0900 80°F
SW
17 mph