All data are in degrees Fahrenheit

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Water temperature in Bath

Detailed information about the current water temperature in Bath. 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.
Water temperature in Bath now

73.6

°F

August 14, 03:35

Trend:

stable

Yesterday:

73.7°F

Tomorrow:

73.6°F

Sunrise:

06:09

Sunset:

20:14

Day Length:

14 h. 5 min.

Bath in August

Minimum:

34.1°F

Average:

37.0°F

Maximum:

39.4°F

Water temperature in Bath today

As of now, in Bath, the water temperature is 73.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°F lower than the average recorded on this particular day in recent years. The water temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent water temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 76.9°F on 2025, while the historical minimum was 71.8°F on 2017.

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 73.2°F, the minimum temperature may reach 73.0°F, and the maximum might stay at 73.6°F.

Daily water temperature in Bath

Date Current Year

actual* / forecast**

last year 10 years average
Jul 31 72.3°F 75.4°F 73.2°F
Aug 1 71.9°F 75.3°F 73.3°F
Aug 2 71.7°F 74.2°F 73.3°F
Aug 3 71.8°F 72.9°F 73.3°F
Aug 4 72.6°F 72.8°F 73.5°F
Aug 5 72.7°F 72.7°F 73.5°F
Aug 6 72.8°F 72.9°F 73.7°F
Aug 7 74.1°F 72.8°F 73.9°F
Aug 8 74.0°F 72.9°F 74.2°F
Aug 9 74.2°F 73.0°F 74.3°F
Aug 10 74.4°F 73.3°F 74.5°F
Aug 11 74.6°F 73.2°F 74.4°F
Aug 12 74.0°F 75.4°F 74.4°F
Aug 13 73.7°F 76.4°F 74.4°F
Aug 14 73.6°F 76.9°F 74.4°F
Aug 15 73.6°F 76.5°F 74.4°F
Aug 16 73.3°F 75.9°F 74.1°F
Aug 17 73.3°F 75.5°F 74.1°F
Aug 18 73.1°F 74.4°F 73.9°F
Aug 19 73.1°F 74.7°F 73.9°F
Aug 20 73.3°F 74.5°F 74.1°F
Aug 21 73.0°F 74.3°F 73.7°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.

In Bath, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 20.
The warmest water in Bath was recorded on July 11, 2020, reaching a 77.8°F. While the coldest temperature occurred on January 24, 2026, dipping to 32.0°F. The average readings by season are 36.9°F in Winter, 40.0°F in Spring, 68.2°F in Summer, and 60.5°F in Autumn.