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

45.0

°F

December 30, 23:37

Trend:

increasing

Yesterday:

44.9°F

Tomorrow:

45.3°F

Sunrise:

08:18

Sunset:

16:11

Day Length:

7 h. 53 min.

Newport in January

Minimum:

44.3°F

Average:

46.3°F

Maximum:

49.6°F

Sea water temperature in Newport today

As of now, in Newport, the water temperature is 45.0°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 1.1°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is considerably 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 50.5°F on 2015, while the historical minimum was 42.7°F on 2024.

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 histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 44.7°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
Jan 1 45.2°F 45.4°F 46.3°F
Jan 2 45.2°F 46.0°F 46.3°F
Jan 3 45.0°F 45.6°F 46.1°F
Jan 4 44.8°F 44.5°F 45.9°F
Jan 5 43.7°F 43.2°F 44.8°F
Jan 6 43.7°F 43.6°F 44.8°F
Dec 16 48.1°F 45.5°F 46.3°F
Dec 17 47.7°F 47.0°F 46.6°F
Dec 18 47.9°F 46.1°F 46.6°F
Dec 19 47.8°F 46.0°F 46.7°F
Dec 20 47.5°F 46.5°F 47.1°F
Dec 21 47.2°F 46.5°F 46.8°F
Dec 22 47.2°F 46.4°F 46.7°F
Dec 23 47.3°F 46.0°F 46.8°F
Dec 24 47.4°F 46.0°F 46.4°F
Dec 25 46.5°F 45.5°F 46.4°F
Dec 26 46.3°F 46.0°F 46.5°F
Dec 27 45.0°F 45.2°F 46.3°F
Dec 28 44.6°F 45.3°F 46.2°F
Dec 29 44.9°F 45.4°F 46.4°F
Dec 30 45.0°F 42.7°F 46.1°F
Dec 31 45.3°F 45.3°F 46.4°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 45.2°F in Winter, 50.2°F in Spring, 64.5°F in Summer, and 57.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Cardiff 45.8°F 11mi
Barry 46.3°F 18mi
Bristol 44.7°F 20mi
Swansea 48.3°F 41mi

* current water temperature in this city

** straight line distance from Newport