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

73.7

°F

July 9, 23:05

Trend:

decreasing

Yesterday:

76.2°F

Tomorrow:

73.6°F

Sunrise:

05:19

Sunset:

20:21

Day Length:

15 h. 2 min.

Bristol in July

Minimum:

35.4°F

Average:

40.7°F

Maximum:

44.4°F

Sea water temperature in Bristol today

As of now, in Bristol, the water temperature is 73.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.4°F higher 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 fall a bit.

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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 77.4°F on 2025, while the historical minimum was 69.4°F on 2017.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 74.2°F, with minimum temperature starting at 73.6°F, while the maximum might reach 74.9°F.

Daily water temperature in Bristol

Date Current Year

actual* / forecast**

last year 10 years average
Jun 25 70.2°F 74.5°F 69.4°F
Jun 26 69.6°F 76.6°F 69.9°F
Jun 27 69.7°F 75.3°F 70.2°F
Jun 28 70.5°F 73.3°F 70.1°F
Jun 29 70.7°F 71.7°F 70.5°F
Jun 30 71.9°F 72.3°F 70.7°F
Jul 1 74.2°F 70.9°F 71.5°F
Jul 2 75.6°F 73.6°F 71.9°F
Jul 3 77.8°F 73.2°F 71.9°F
Jul 4 77.7°F 74.3°F 72.5°F
Jul 5 79.0°F 73.5°F 72.4°F
Jul 6 76.9°F 73.1°F 72.6°F
Jul 7 76.0°F 73.8°F 73.3°F
Jul 8 76.2°F 73.9°F 73.0°F
Jul 9 73.7°F 77.4°F 73.3°F
Jul 10 73.6°F 76.9°F 73.1°F
Jul 11 73.9°F 76.1°F 73.5°F
Jul 12 73.9°F 75.5°F 73.5°F
Jul 13 73.8°F 73.5°F 73.4°F
Jul 14 74.7°F 76.7°F 74.3°F
Jul 15 74.5°F 73.0°F 74.0°F
Jul 16 74.9°F 75.7°F 74.5°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 62.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Providence 73.1°F 13mi
Newport 73.9°F 13mi
Plymouth 68.5°F 36mi
South Boston 66.2°F 47mi
Boston 66.2°F 48mi

* current water temperature in this city

** straight line distance from Bristol