Measurements:
°C
°F
Newport
68°F
SE 7 mph
Feels like: 68°F
Precip: 11%
World Resorts USA Newport Weather

Newport Sea Water Temperature

Current Sea Water Temperature:
+62.6°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 05 62.6°F July 31 60.0°F
August 04 62.8°F July 30 59.6°F
August 03 61.2°F July 29 57.0°F
August 02 61.2°F July 28 56.2°F
August 01 59.6°F July 27 55.6°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Newport was 56.0°F. The maximum and minimum values were 53.6°F and 60.4°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 54.0 °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 +94
Chicago +82
Hawaii +82
Houston +102
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Newport
Local time: 11:24
05 aug, wednesday
1200 68°F
SE
7 mph
1500 68°F
SE
9 mph
1800 64°F
SE
8 mph
2100 60°F
S
5 mph
06 aug, thursday
0000 54°F
S
3 mph
0300 52°F
S
2 mph
0600 52°F
SW
3 mph
0900 62°F
S
3 mph