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

70.6

°F

September 19, 05:06

Trend:

stable

Yesterday:

70.0°F

Tomorrow:

70.3°F

Sunrise:

06:29

Sunset:

18:48

Day Length:

12 h. 19 min.

Newport in September

Minimum:

37.1°F

Average:

42.4°F

Maximum:

45.6°F

Sea water temperature in Newport today

As of now, in Newport, the water temperature is 70.6°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 1.3°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 71.9°F on 2021, while the historical minimum was 67.8°F on 2019.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 69.6°F, the minimum temperature may reach 68.7°F, and the maximum might stay at 70.3°F.

Daily water temperature in Newport

Date Current Year

actual* / forecast**

last year 10 years average
Sep 5 71.0°F 69.3°F 70.1°F
Sep 6 70.9°F 69.6°F 70.7°F
Sep 7 70.0°F 69.1°F 70.6°F
Sep 8 70.1°F 69.1°F 70.2°F
Sep 9 70.0°F 68.7°F 70.1°F
Sep 10 70.0°F 68.7°F 70.2°F
Sep 11 70.3°F 67.6°F 70.0°F
Sep 12 70.2°F 68.0°F 70.0°F
Sep 13 69.5°F 67.7°F 69.7°F
Sep 14 68.2°F 67.7°F 69.4°F
Sep 15 69.5°F 68.1°F 69.7°F
Sep 16 69.0°F 68.4°F 69.7°F
Sep 17 69.0°F 68.6°F 69.6°F
Sep 18 70.0°F 68.8°F 69.8°F
Sep 19 70.6°F 68.9°F 69.3°F
Sep 20 70.3°F 68.6°F 69.0°F
Sep 21 70.2°F 68.9°F 68.8°F
Sep 22 70.0°F 68.1°F 68.7°F
Sep 23 69.8°F 68.4°F 68.5°F
Sep 24 69.2°F 68.1°F 67.9°F
Sep 25 68.9°F 69.1°F 67.6°F
Sep 26 68.7°F 68.7°F 67.4°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 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 70.3°F 13mi
Providence 68.7°F 24mi
Plymouth 65.9°F 46mi
South Boston 66.3°F 60mi

* current water temperature in this city

** straight line distance from Newport