Newport in March
Find out everything about the water temperature in Newport in March. Average, minimum and maximum recorded temperatures as well as daily temperature in March for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in March
Minimum:
36.9 °F
Average:
41.1 °F
Maximum:
45.3 °F
Sea water temperature in Newport in March
In the city of Newport, the month of March is too cold for swimming. The minimum recorded temperature during this month was 36.9°F on March 9, 2021, with an average temperature being 41.1°F and a maximum temperature reaching 45.3°F on March 31, 2019.
| Date | 10 years average | 2025 | 2024 |
|---|---|---|---|
| Mar 1 | 39.7°F | 39.6°F | 40.1°F |
| Mar 2 | 39.9°F | 40.9°F | 40.3°F |
| Mar 3 | 39.9°F | 38.9°F | 40.3°F |
| Mar 4 | 40.0°F | 38.9°F | 41.7°F |
| Mar 5 | 39.9°F | 38.6°F | 42.0°F |
| Mar 6 | 40.0°F | 39.6°F | 40.9°F |
| Mar 7 | 40.3°F | 41.9°F | 42.0°F |
| Mar 8 | 40.2°F | 39.5°F | 42.6°F |
| Mar 9 | 40.1°F | 39.9°F | 41.8°F |
| Mar 10 | 40.3°F | 39.2°F | 41.7°F |
| Mar 11 | 40.5°F | 39.7°F | 42.3°F |
| Mar 12 | 40.7°F | 41.0°F | 40.8°F |
| Mar 13 | 40.9°F | 41.7°F | 41.4°F |
| Mar 14 | 40.8°F | 41.7°F | 41.5°F |
| Mar 15 | 41.0°F | 43.9°F | 42.3°F |
| Mar 16 | 40.9°F | 44.1°F | 42.2°F |
| Mar 17 | 41.3°F | 44.7°F | 43.4°F |
| Mar 18 | 41.3°F | 45.0°F | 44.2°F |
| Mar 19 | 41.3°F | 44.7°F | 43.8°F |
| Mar 20 | 41.3°F | 42.5°F | 44.1°F |
| Mar 21 | 41.5°F | 43.7°F | 43.6°F |
| Mar 22 | 41.5°F | 42.9°F | 42.3°F |
| Mar 23 | 42.0°F | 43.3°F | 42.7°F |
| Mar 24 | 41.7°F | 43.0°F | 42.3°F |
| Mar 25 | 41.9°F | 44.2°F | 42.2°F |
| Mar 26 | 42.0°F | 43.0°F | 42.0°F |
| Mar 27 | 41.9°F | 42.7°F | 41.8°F |
| Mar 28 | 42.2°F | 42.6°F | 42.8°F |
| Mar 29 | 42.8°F | 42.4°F | 42.8°F |
| Mar 30 | 42.8°F | 42.6°F | 42.2°F |
| Mar 31 | 43.1°F | 42.4°F | 43.2°F |
In Newport, there are only 4 days through the year when the water is warm enough to be comfortable for swimming.
The warmest water in Newport was recorded on August 15, 2020, reaching a 78.8°F. While the coldest temperature occurred on February 22, 2025, dipping to 36.0°F. The average readings by season are 43.0°F in Winter, 46.8°F in Spring, 69.0°F in Summer, and 62.9°F in Autumn.
The average temperature in March is slightly warmer than February's average of 39.7°F. And in April, the temperature is expected to rise further, potentially reaching an average of 45.8°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Bristol |
35.6°F
|
13mi |
| Providence |
36.3°F
|
24mi |
| Plymouth |
39.3°F
|
46mi |
| South Boston |
40.4°F
|
60mi |
* current water temperature in this city
** straight line distance from Newport