All data are in degrees Fahrenheit

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Water temperature in Cleveland

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

77.3

°F

August 18, 12:49

Trend:

stable

Yesterday:

77.4°F

Tomorrow:

77.4°F

Sunrise:

06:38

Sunset:

20:22

Day Length:

13 h. 44 min.

Cleveland in August

Minimum:

33.7°F

Average:

37.5°F

Maximum:

39.5°F

Water temperature in Cleveland today

As of now, in Cleveland, the water temperature is 77.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.2°F higher 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 78.5°F on 2025, while the historical minimum was 74.4°F on 2017.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 77.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Cleveland

Date Current Year

actual* / forecast**

last year 10 years average
Aug 4 75.8°F 69.6°F 76.3°F
Aug 5 76.2°F 71.0°F 76.3°F
Aug 6 76.7°F 71.8°F 76.7°F
Aug 7 77.3°F 73.0°F 76.7°F
Aug 8 77.2°F 73.8°F 76.4°F
Aug 9 77.2°F 74.0°F 76.7°F
Aug 10 77.9°F 74.0°F 76.7°F
Aug 11 77.9°F 74.1°F 76.8°F
Aug 12 77.5°F 78.4°F 76.8°F
Aug 13 77.0°F 78.6°F 76.8°F
Aug 14 76.9°F 78.2°F 76.9°F
Aug 15 77.4°F 78.5°F 76.7°F
Aug 16 77.2°F 78.2°F 76.5°F
Aug 17 77.4°F 79.1°F 76.5°F
Aug 18 77.3°F 78.5°F 76.1°F
Aug 19 77.4°F 78.0°F 76.2°F
Aug 20 77.3°F 77.4°F 76.1°F
Aug 21 77.3°F 76.9°F 76.1°F
Aug 22 77.1°F 75.8°F 75.9°F
Aug 23 77.1°F 76.0°F 75.9°F
Aug 24 77.0°F 75.5°F 75.8°F
Aug 25 77.0°F 75.3°F 75.8°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.

Water temperature in Cleveland by month

In Cleveland, the months July through August offer comfortable swimming conditions, which amounts to 68 swimming days.
The warmest water in Cleveland was recorded on July 31, 2025, reaching a 82.4°F. While the coldest temperature occurred on February 14, 2016, dipping to 32.0°F. The average readings by season are 37.3°F in Winter, 45.3°F in Spring, 73.1°F in Summer, and 62.6°F in Autumn.