All data are in degrees Fahrenheit

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Water temperature in Newport

Detailed information about the current water temperature in Newport. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Newport now

50.6

°F

April 8, 01:08

Trend:

stable

Yesterday:

50.7°F

Tomorrow:

50.7°F

Sunrise:

06:32

Sunset:

19:57

Day Length:

13 h. 25 min.

Newport in April

Minimum:

42.5°F

Average:

45.6°F

Maximum:

47.8°F

Sea water temperature in Newport today

As of now, in Newport, the water temperature is 50.6°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.1°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 50.3°F on 2025, while the historical minimum was 45.1°F on 2018.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 51.1°F, with minimum temperature starting at 50.7°F, while the maximum might reach 51.7°F.

Daily water temperature in Newport

Date Current Year

actual* / forecast**

last year 10 years average
Mar 25 49.5°F 47.2°F 46.6°F
Mar 26 49.0°F 48.7°F 47.0°F
Mar 27 49.4°F 48.5°F 47.1°F
Mar 28 48.6°F 48.4°F 47.0°F
Mar 29 48.5°F 48.5°F 47.0°F
Mar 30 48.5°F 48.7°F 47.3°F
Mar 31 47.6°F 48.6°F 47.4°F
Apr 1 49.1°F 49.0°F 47.7°F
Apr 2 48.8°F 49.3°F 47.7°F
Apr 3 48.7°F 49.9°F 47.9°F
Apr 4 48.3°F 49.6°F 48.0°F
Apr 5 49.7°F 50.2°F 48.4°F
Apr 6 49.4°F 50.9°F 48.5°F
Apr 7 50.7°F 51.1°F 48.6°F
Apr 8 50.6°F 50.3°F 48.5°F
Apr 9 50.7°F 50.5°F 48.6°F
Apr 10 50.9°F 50.6°F 48.8°F
Apr 11 50.8°F 50.6°F 48.7°F
Apr 12 51.2°F 52.0°F 49.0°F
Apr 13 51.3°F 52.0°F 49.2°F
Apr 14 51.5°F 52.1°F 49.4°F
Apr 15 51.7°F 51.5°F 49.5°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Newport by month

In an average year, Newport offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Newport was recorded on July 24, 2021, reaching a 71.9°F. While the coldest temperature occurred on March 4, 2018, dipping to 39.7°F. The average readings by season are 45.1°F in Winter, 50.3°F in Spring, 64.8°F in Summer, and 57.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Cardiff 50.7°F 11mi
Barry 50.2°F 18mi
Bristol 49.5°F 20mi
Swansea 50.0°F 41mi

* current water temperature in this city

** straight line distance from Newport