Measurements:
°C
°F
Newport
52°F
N 18 mph
Feels like: 44°F
Precip: 100%
World Resorts USA Newport Weather

Newport Sea Water Temperature

Current Sea Water Temperature:
+51.2°F
Maximum Sea Water Temperature in March: 53.2°F
Minimum Sea Water Temperature in March: 46.8°F
Average water temperature in March: 49.2°F

Sea Water Temperature for the Last 10 Days:

March 13 51.2°F March 08 51.8°F
March 12 51.0°F March 07 51.4°F
March 11 51.2°F March 06 51.4°F
March 10 51.4°F March 05 51.6°F
March 09 51.4°F March 04 51.6°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
July 14 days
September 13 days
The most warm months:
August 67.0 °F
July 65.7 °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
March 48.6 °F
December 48.6 °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
Chicago +42
Hawaii +74
Honolulu +74
Houston +82
Las Vegas +88
Los Angeles +98
Maui +70
Miami +86
Miami Beach +86
New York +42
San Diego +98
San Francisco +70
Sarasota +80
Tampa +82
Washington +56
24 Hours Weather Forecast
Newport
Local time: 12:56
13 mar, friday
1500 52°F
N
19 mph
1800 52°F
N
20 mph
2100 52°F
NE
19 mph
14 mar, saturday
0000 48°F
E
11 mph
0300 44°F
S
12 mph
0600 42°F
S
14 mph
0900 40°F
S
11 mph
1200 42°F
S
11 mph