Measurements:
°C
°F
Newport
12°F
S 11 mph
Feels like: 0°F
Precip: 0%
World Resorts USA Newport Weather

Newport Sea Water Temperature

Current Sea Water Temperature:
+47.8°F
Maximum Sea Water Temperature in December: 54.8°F
Minimum Sea Water Temperature in December: 39.6°F
Average water temperature in December: 47.1°F

Sea Water Temperature for the Last 10 Days:

December 05 47.8°F November 30 49.4°F
December 04 48.6°F November 29 49.8°F
December 03 49.0°F November 28 50.8°F
December 02 49.2°F November 27 50.4°F
December 01 49.2°F November 26 49.6°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 August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Newport was 73.2°F. The maximum and minimum values were 68.6°F and 77.4°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Newport was 73.8°F. The maximum and minimum values were 69.4°F and 77.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Newport was 70.8°F. The maximum and minimum values were 69.6°F and 72.2°F respectively.

Best Time to Visit Newport
The most sunny months:
November 17 days
October 14 days
September 14 days
The most warm months:
July 82.3 °F
August 81.0 °F
June 75.5 °F
Warmest sea temperature:
August 75.5 °F
July 74.9 °F
September 71.7 °F
The most cold months:
January 35.3 °F
February 36.6 °F
December 40.8 °F
The most rainy months:
March 3 days
January 3 days
October 3 days
The most windy months:
March 9 mph
January 9 mph
February 9 mph

Newport on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +20
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Newport
Local time: 04:07
05 dec, friday
0600 8°F
S
9 mph
0900 16°F
S
3 mph
1200 24°F
N
6 mph
1500 26°F
NE
9 mph
1800 28°F
NE
6 mph
2100 30°F
E
3 mph
06 dec, saturday
0000 30°F
NE
2 mph
0300 32°F
E
1 mph