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

46.5

°F

December 21, 16:40

Trend:

decreasing

Yesterday:

46.5°F

Tomorrow:

46.5°F

Sunrise:

08:16

Sunset:

16:05

Day Length:

7 h. 49 min.

Newport in December

Minimum:

42.5°F

Average:

45.2°F

Maximum:

46.9°F

Sea water temperature in Newport today

As of now, in Newport, the water temperature is 46.5°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 0.4°F lower 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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 49.4°F on 2015, while the historical minimum was 44.1°F on 2022.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 46.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Newport

Date Current Year

actual* / forecast**

last year 10 years average
Dec 7 48.0°F 47.3°F 48.3°F
Dec 8 48.0°F 46.6°F 48.0°F
Dec 9 47.7°F 46.1°F 47.6°F
Dec 10 46.7°F 46.5°F 47.3°F
Dec 11 46.9°F 47.0°F 47.2°F
Dec 12 47.0°F 46.7°F 47.1°F
Dec 13 47.0°F 46.3°F 46.9°F
Dec 14 47.1°F 46.2°F 46.9°F
Dec 15 46.3°F 46.7°F 46.6°F
Dec 16 45.5°F 45.4°F 46.3°F
Dec 17 47.0°F 45.8°F 46.6°F
Dec 18 46.1°F 46.0°F 46.5°F
Dec 19 46.0°F 46.3°F 46.6°F
Dec 20 46.5°F 46.9°F 47.2°F
Dec 21 46.5°F 46.5°F 46.9°F
Dec 22 46.5°F 46.5°F 46.9°F
Dec 23 46.6°F 49.6°F 47.1°F
Dec 24 46.2°F 46.5°F 46.7°F
Dec 25 46.2°F 46.8°F 46.6°F
Dec 26 46.2°F 47.0°F 46.6°F
Dec 27 46.3°F 47.1°F 46.7°F
Dec 28 46.1°F 47.2°F 46.6°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 45.4°F in Winter, 50.1°F in Spring, 64.3°F in Summer, and 57.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Cardiff 47.1°F 11mi
Barry 47.7°F 18mi
Bristol 46.4°F 20mi
Swansea 48.8°F 41mi

* current water temperature in this city

** straight line distance from Newport