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

72.1

°F

August 22, 02:53

Trend:

decreasing

Yesterday:

72.2°F

Tomorrow:

71.4°F

Sunrise:

06:01

Sunset:

19:35

Day Length:

13 h. 34 min.

Newport in August

Minimum:

37.7°F

Average:

42.7°F

Maximum:

44.9°F

Sea water temperature in Newport today

As of now, in Newport, the water temperature is 72.1°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is about the same as 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 fall 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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 75.6°F on 2021, while the historical minimum was 66.7°F on 2025.

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 71.9°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
Aug 8 74.7°F 71.3°F 73.1°F
Aug 9 74.5°F 71.3°F 73.1°F
Aug 10 74.4°F 71.3°F 73.1°F
Aug 11 75.6°F 71.2°F 73.0°F
Aug 12 74.6°F 71.3°F 72.8°F
Aug 13 73.5°F 72.7°F 73.1°F
Aug 14 72.7°F 73.8°F 73.1°F
Aug 15 72.8°F 74.0°F 73.8°F
Aug 16 71.7°F 72.2°F 73.5°F
Aug 17 71.7°F 71.8°F 73.4°F
Aug 18 71.6°F 72.7°F 73.2°F
Aug 19 72.3°F 71.1°F 72.9°F
Aug 20 71.9°F 69.6°F 72.2°F
Aug 21 72.2°F 69.2°F 72.1°F
Aug 22 72.1°F 66.7°F 71.9°F
Aug 23 71.4°F 68.1°F 71.3°F
Aug 24 71.5°F 69.5°F 71.4°F
Aug 25 71.7°F 70.5°F 71.6°F
Aug 26 72.1°F 71.4°F 71.9°F
Aug 27 72.3°F 70.4°F 72.1°F
Aug 28 72.1°F 69.8°F 71.9°F
Aug 29 72.2°F 69.7°F 72.0°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 Newport, there are only 2 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 14, 2026, dipping to 33.9°F. The average readings by season are 42.8°F in Winter, 46.7°F in Spring, 69.0°F in Summer, and 62.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bristol 75.1°F 13mi
Providence 74.7°F 24mi
Plymouth 67.6°F 46mi
South Boston 69.2°F 60mi

* current water temperature in this city

** straight line distance from Newport