Measurements:
°C
°F
Newport
48°F
SE 7 mph
Feels like: 44°F
Precip: 0%
World Resorts USA Newport Weather

Newport Sea Water Temperature

Current Sea Water Temperature:
+37.8°F
Maximum Sea Water Temperature in January: 46.4°F
Minimum Sea Water Temperature in January: 36.6°F
Average water temperature in January: 41.1°F

Sea Water Temperature for the Last 10 Days:

January 08 37.8°F January 03 39.0°F
January 07 38.2°F January 02 39.4°F
January 06 38.2°F January 01 39.4°F
January 05 38.2°F December 31 40.6°F
January 04 38.8°F December 30 40.4°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 39.9 °F
The most rainy months:
March 3 days
October 3 days
January 3 days
The most windy months:
December 10 mph
March 9 mph
January 9 mph

Newport on the Weather Map

USA Resorts:
NAME
Chicago +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Newport
Local time: 15:32
08 jan, thursday
1800 42°F
SE
4 mph
2100 36°F
SE
3 mph
09 jan, friday
0000 34°F
NE
3 mph
0300 34°F
NE
2 mph
0600 32°F
NE
4 mph
0900 34°F
NE
6 mph
1200 40°F
N
11 mph
1500 40°F
N
12 mph