Current sea water temperature:
+50.7°F
| Minimum sea water temperature in March: | 52.9°F |
| Maximum sea water temperature in March: | 47.1°F |
| Average sea water temperature in March: | 49.3°F |
| more information | |
14 days
forecast
forecast
| Newport |
monthly
weather
weather
| Newport |
Sea water temperature for the last 10 days:
| March 18 | 50.7°F | March 13 | 51.1°F |
| March 17 | 51.3°F | March 12 | 50.9°F |
| March 16 | 51.1°F | March 11 | 51.1°F |
| March 15 | 51.3°F | March 10 | 51.3°F |
| March 14 | 51.1°F | March 9 | 51.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Newport?
Based on the data about daily sea water temperature for the last three years the warmest sea in Newport was noticed in October, August and September.
Monthly Sea Temperatures in Newport, °F
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 55.7°F. The highest and lowest sea temperatures during the month were 57.6°F and 52.3°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 55.4°F. The highest and lowest sea temperatures during the month were 59.4°F and 53.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 57.7°F and 50.7°F.
current
weather
weather
| Newport |
weather in
March
March
| Newport |
Best time for vacation in Newport
Newport on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Newport
Local time: 16:00
March 18, wednesday
1800
50°F
N
6 mph
6 mph
2100
50°F
N
5 mph
5 mph
March 19, thursday
0000
52°F
NW
5 mph
5 mph
0300
52°F
NW
4 mph
4 mph
0600
50°F
NW
6 mph
6 mph
0900
50°F
NW
5 mph
5 mph
1200
52°F
N
9 mph
9 mph
1500
52°F
NE
10 mph
10 mph
