All data are in degrees Fahrenheit

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Water temperature in Bristol

Detailed information about the current water temperature in Bristol. 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 Bristol now

63.2

°F

September 30, 05:21

Trend:

stable

Yesterday:

64.4°F

Tomorrow:

63.4°F

Sunrise:

06:41

Sunset:

18:29

Day Length:

11 h. 48 min.

Bristol in October

Minimum:

33.9°F

Average:

39.5°F

Maximum:

42.9°F

Sea water temperature in Bristol today

As of now, in Bristol, the water temperature is 63.2°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 3.6°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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 69.9°F on 2025, while the historical minimum was 64.3°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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 62.2°F, the minimum temperature may reach 61.4°F, and the maximum might stay at 63.4°F.

Daily water temperature in Bristol

Date Current Year

actual* / forecast**

last year 10 years average
Sep 16 70.2°F 69.8°F 70.4°F
Sep 17 68.9°F 69.6°F 70.0°F
Sep 18 71.0°F 69.7°F 69.9°F
Sep 19 70.3°F 67.9°F 69.3°F
Sep 20 69.6°F 69.2°F 69.2°F
Sep 21 69.0°F 69.1°F 68.9°F
Sep 22 70.2°F 68.9°F 68.7°F
Sep 23 69.4°F 69.0°F 68.9°F
Sep 24 67.5°F 68.1°F 68.3°F
Sep 25 66.2°F 68.1°F 67.7°F
Sep 26 65.3°F 68.0°F 67.2°F
Sep 27 65.2°F 69.9°F 67.4°F
Sep 28 64.9°F 69.4°F 67.1°F
Sep 29 64.4°F 69.9°F 67.0°F
Sep 30 63.2°F 69.9°F 66.9°F
Oct 1 63.4°F 70.0°F 67.0°F
Oct 2 63.0°F 69.3°F 66.6°F
Oct 3 62.3°F 66.2°F 66.0°F
Oct 4 62.2°F 67.2°F 65.8°F
Oct 5 61.8°F 66.5°F 65.4°F
Oct 6 61.4°F 67.2°F 65.0°F
Oct 7 61.5°F 67.7°F 65.1°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 Bristol by month

In Bristol, the months July through August offer comfortable swimming conditions, which amounts to 46 swimming days.
The warmest water in Bristol was recorded on August 10, 2022, reaching a 80.6°F. While the coldest temperature occurred on February 14, 2026, dipping to 32.0°F. The average readings by season are 40.8°F in Winter, 47.7°F in Spring, 71.4°F in Summer, and 62.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Providence 63.1°F 13mi
Newport 64.1°F 13mi
Plymouth 60.0°F 36mi
South Boston 60.1°F 47mi
Boston 60.1°F 48mi

* current water temperature in this city

** straight line distance from Bristol