All data are in degrees Fahrenheit

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Water temperature in Rochester

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

70.8

°F

August 19, 21:17

Trend:

stable

Yesterday:

70.4°F

Tomorrow:

70.7°F

Sunrise:

05:49

Sunset:

20:13

Day Length:

14 h. 24 min.

Rochester in August

Minimum:

39.3°F

Average:

44.0°F

Maximum:

45.7°F

Sea water temperature in Rochester today

As of now, in Rochester, the water temperature is 70.8°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 3.3°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea 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 69.6°F on 2022, while the historical minimum was 65.8°F on 2019.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 70.3°F, the minimum temperature may reach 70.3°F, and the maximum might stay at 70.7°F.

Daily water temperature in Rochester

Date Current Year

actual* / forecast**

last year 10 years average
Aug 5 69.8°F 66.3°F 67.8°F
Aug 6 70.0°F 67.0°F 67.8°F
Aug 7 70.0°F 67.2°F 67.7°F
Aug 8 70.0°F 67.4°F 67.6°F
Aug 9 70.0°F 67.3°F 67.6°F
Aug 10 69.7°F 67.4°F 67.6°F
Aug 11 69.3°F 67.3°F 67.6°F
Aug 12 70.2°F 66.9°F 67.5°F
Aug 13 70.2°F 67.7°F 67.4°F
Aug 14 70.0°F 68.1°F 67.6°F
Aug 15 69.8°F 67.0°F 67.6°F
Aug 16 70.2°F 67.0°F 67.9°F
Aug 17 70.6°F 67.1°F 67.7°F
Aug 18 70.4°F 68.3°F 68.0°F
Aug 19 70.8°F 68.0°F 67.5°F
Aug 20 70.7°F 68.3°F 67.4°F
Aug 21 70.4°F 68.3°F 67.1°F
Aug 22 70.3°F 66.9°F 67.0°F
Aug 23 70.3°F 66.7°F 67.0°F
Aug 24 70.3°F 65.8°F 67.0°F
Aug 25 70.3°F 66.8°F 67.0°F
Aug 26 70.3°F 66.7°F 67.1°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 Rochester by month

In an average year, Rochester offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Rochester was recorded on August 16, 2022, reaching a 72.3°F. While the coldest temperature occurred on January 8, 2026, dipping to 39.3°F. The average readings by season are 44.1°F in Winter, 50.0°F in Spring, 65.4°F in Summer, and 57.9°F in Autumn.