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

68.1

°F

June 29, 11:37

Trend:

stable

Yesterday:

68.4°F

Tomorrow:

68.5°F

Sunrise:

04:44

Sunset:

21:18

Day Length:

16 h. 34 min.

Rochester in July

Minimum:

39.4°F

Average:

44.3°F

Maximum:

46.1°F

Sea water temperature in Rochester today

As of now, in Rochester, the water temperature is 68.1°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 3.5°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 rise a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 67.5°F on 2025, while the historical minimum was 62.1°F on 2016.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 68.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Rochester

Date Current Year

actual* / forecast**

last year 10 years average
Jun 15 61.5°F 60.7°F 61.1°F
Jun 16 61.6°F 61.0°F 61.5°F
Jun 17 61.8°F 61.6°F 61.9°F
Jun 18 63.6°F 62.6°F 62.6°F
Jun 19 64.3°F 63.2°F 62.9°F
Jun 20 65.1°F 64.4°F 63.3°F
Jun 21 65.5°F 64.4°F 63.6°F
Jun 22 65.9°F 64.9°F 63.8°F
Jun 23 67.2°F 65.4°F 64.1°F
Jun 24 68.0°F 65.5°F 63.9°F
Jun 25 67.3°F 66.2°F 64.2°F
Jun 26 69.6°F 65.3°F 64.5°F
Jun 27 69.7°F 68.4°F 65.1°F
Jun 28 68.4°F 67.7°F 65.0°F
Jun 29 68.1°F 67.5°F 64.6°F
Jun 30 68.5°F 67.6°F 64.9°F
Jul 1 68.3°F 68.3°F 64.8°F
Jul 2 68.3°F 69.4°F 64.8°F
Jul 3 68.3°F 68.8°F 64.8°F
Jul 4 68.3°F 69.4°F 64.8°F
Jul 5 68.3°F 70.8°F 64.8°F
Jul 6 68.5°F 69.2°F 65.0°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, 65.2°F in Summer, and 57.9°F in Autumn.