Measurements:
°C
°F
Newport
66°F
NE 6 mph
Feels like: 66°F
Precip: 29%
World Resorts USA Newport Weather

Newport Sea Water Temperature

Current Sea Water Temperature:
+51.6°F
Maximum Sea Water Temperature in August: 63.2°F
Minimum Sea Water Temperature in August: 47.4°F
Average water temperature in August: 54.1°F

Sea Water Temperature for the Last 10 Days:

August 25 51.6°F August 20 52.4°F
August 24 49.2°F August 19 52.0°F
August 23 50.6°F August 18 52.6°F
August 22 52.0°F August 17 52.2°F
August 21 53.0°F August 16 50.8°F

When is the Warmest Sea for Newport?

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

Average Water Temperature by Month, °F

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Newport was 56.3°F. The maximum and minimum values were 52.6°F and 58.4°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Newport was 55.4°F. The maximum and minimum values were 49.2°F and 62.8°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Newport was 55.4°F. The maximum and minimum values were 50.8°F and 58.6°F respectively.

Best Time to Visit Newport
The most sunny months:
August 14 days
September 13 days
July 13 days
The most warm months:
August 67.0 °F
July 65.4 °F
September 65.0 °F
Warmest sea temperature:
October 54.6 °F
August 54.2 °F
September 53.7 °F
The most cold months:
February 47.9 °F
December 48.6 °F
January 48.8 °F
The most rainy months:
January 9 days
December 6 days
November 6 days
The most windy months:
December 10 mph
January 10 mph
November 9 mph

Newport on the Weather Map

USA Resorts:
NAME
Boston +80
Chicago +80
Hawaii +84
Houston +106
Las Vegas +116
Los Angeles +96
Maui +70
Miami +92
Myrtle Beach +84
New York +82
San Diego +96
San Francisco +64
Santa Monica +86
Sarasota +92
Washington +84
24 Hours Weather Forecast
Newport
Local time: 14:36
25 aug, tuesday
1500 66°F
NE
6 mph
1800 60°F
NE
6 mph
2100 60°F
N
2 mph
26 aug, wednesday
0000 54°F
NW
3 mph
0300 52°F
NW
2 mph
0600 52°F
NW
3 mph
0900 60°F
N
2 mph
1200 68°F
NE
7 mph