Measurements:
°C
°F
Newport
50°F
SW 2 mph
Feels like: 50°F
Precip: 15%
World Resorts USA Newport Weather

Newport Sea Water Temperature

Current Sea Water Temperature:
+59.4°F
Maximum Sea Water Temperature in September: 64.4°F
Minimum Sea Water Temperature in September: 47.6°F
Average water temperature in September: 54.4°F

Sea Water Temperature for the Last 10 Days:

September 15 59.4°F September 10 62.2°F
September 14 59.6°F September 09 62.6°F
September 13 58.0°F September 08 63.8°F
September 12 60.8°F September 07 64.2°F
September 11 62.2°F September 06 64.2°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, September and August.

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 September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Newport was 62.2°F. The maximum and minimum values were 58.0°F and 64.4°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Newport was 55.7°F. The maximum and minimum values were 49.2°F and 62.8°F respectively.

Best Time to Visit Newport
The most sunny months:
September 13 days
October 13 days
July 13 days
The most warm months:
August 66.8 °F
July 65.4 °F
September 65.0 °F
Warmest sea temperature:
October 54.6 °F
August 54.3 °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 +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
Newport
Local time: 06:41
15 sep, tuesday
0900 56°F
S
2 mph
1200 62°F
SE
7 mph
1500 64°F
SE
9 mph
1800 60°F
S
9 mph
2100 54°F
S
4 mph
16 sep, wednesday
0000 52°F
SW
2 mph
0300 52°F
SW
4 mph
0600 52°F
W
4 mph