What is the current water temperature in Rochester?

Q: What is the current water temperature in Rochester?

As of now, in Rochester, the water temperature is 4.03°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

United Kingdom > Rochester

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.

39.3

°F

January 9, 00:47

Trend:

decreasing

Yesterday:

39.3°F

Tomorrow:

38.8°F

Sunrise:

08:01

Sunset:

16:10

Day Length:

8 h. 9 min.

Rochester in January

Minimum:

42.6°F

Average:

45.2°F

Maximum:

47.8°F

Sea water temperature in Rochester today

As of now, in Rochester, the water temperature is 39.3°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 5.1°F lower 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 fall a bit.

Recent sea 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 45.3°F on 2016, while the historical minimum was 43.2°F on 2025.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 38.3°F, the minimum temperature may reach 38.0°F, and the maximum might stay at 38.8°F.

Daily water temperature in Rochester

Date	Current Year actual* / forecast**	last year	10 years average
Jan 1	42.6°F	44.3°F	45.2°F
Jan 2	42.0°F	42.9°F	45.1°F
Jan 3	41.8°F	43.5°F	45.1°F
Jan 4	41.0°F	43.5°F	45.0°F
Jan 5	40.4°F	43.2°F	44.9°F
Jan 6	39.5°F	43.2°F	44.7°F
Jan 7	39.4°F	42.9°F	44.3°F
Jan 8	39.3°F	42.8°F	44.5°F
Jan 9	39.3°F	43.2°F	44.4°F
Jan 10	38.8°F	42.4°F	44.0°F
Jan 11	38.7°F	41.1°F	43.9°F
Jan 12	38.5°F	41.1°F	43.6°F
Jan 13	38.1°F	40.9°F	43.3°F
Jan 14	38.2°F	41.3°F	43.3°F
Jan 15	38.0°F	41.3°F	43.1°F
Jan 16	38.0°F	41.5°F	43.1°F
Dec 26	44.1°F	44.0°F	45.2°F
Dec 27	43.2°F	43.6°F	44.8°F
Dec 28	43.3°F	43.5°F	44.9°F
Dec 29	42.5°F	43.7°F	44.7°F
Dec 30	43.3°F	43.8°F	44.8°F
Dec 31	42.2°F	44.3°F	44.8°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.

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 7, 2026, dipping to 39.4°F. The average readings by season are 44.1°F in Winter, 49.9°F in Spring, 65.2°F in Summer, and 57.9°F in Autumn.