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

69.6

°F

September 19, 17:47

Trend:

stable

Yesterday:

69.5°F

Tomorrow:

69.5°F

Sunrise:

06:50

Sunset:

19:11

Day Length:

12 h. 21 min.

Bath in September

Minimum:

34.0°F

Average:

36.7°F

Maximum:

39.0°F

Water temperature in Bath today

As of now, in Bath, the water temperature is 69.6°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 about the same as 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 fall a bit.

Recent water 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 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 72.8°F on 2018, while the historical minimum was 66.9°F on 2019.

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 68.6°F, the minimum temperature may reach 67.5°F, and the maximum might stay at 69.5°F.

Daily water temperature in Bath

Date Current Year

actual* / forecast**

last year 10 years average
Sep 5 71.7°F 68.6°F 71.3°F
Sep 6 72.1°F 68.5°F 71.5°F
Sep 7 72.0°F 67.7°F 71.3°F
Sep 8 71.5°F 67.4°F 71.0°F
Sep 9 71.3°F 66.8°F 70.8°F
Sep 10 71.0°F 66.1°F 70.3°F
Sep 11 71.2°F 66.6°F 70.0°F
Sep 12 71.0°F 66.6°F 69.4°F
Sep 13 70.7°F 66.7°F 69.5°F
Sep 14 70.7°F 66.7°F 69.4°F
Sep 15 71.0°F 66.7°F 69.6°F
Sep 16 70.5°F 67.3°F 69.5°F
Sep 17 70.3°F 67.5°F 69.3°F
Sep 18 69.5°F 66.7°F 69.4°F
Sep 19 69.6°F 67.7°F 69.5°F
Sep 20 69.5°F 67.5°F 69.4°F
Sep 21 69.5°F 67.4°F 69.3°F
Sep 22 69.0°F 66.7°F 68.8°F
Sep 23 68.8°F 66.6°F 68.7°F
Sep 24 68.3°F 66.2°F 68.2°F
Sep 25 68.1°F 65.9°F 67.9°F
Sep 26 67.5°F 65.5°F 67.3°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 19.
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.