All data are in degrees Fahrenheit

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Water temperature in Lunenburg

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

55.4

°F

July 21, 07:05

Trend:

stable

Yesterday:

57.4°F

Tomorrow:

56.1°F

Sunrise:

05:52

Sunset:

20:54

Day Length:

15 h. 2 min.

Lunenburg in July

Minimum:

36.1°F

Average:

38.1°F

Maximum:

40.2°F

Sea water temperature in Lunenburg today

As of now, in Lunenburg, the water temperature is 55.4°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 6.3°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 rise 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 66.7°F on 2021, while the historical minimum was 57.1°F on 2022.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 56.6°F, with minimum temperature starting at 55.8°F, while the maximum might reach 57.3°F.

Daily water temperature in Lunenburg

Date Current Year

actual* / forecast**

last year 10 years average
Jul 7 61.0°F 59.4°F 58.1°F
Jul 8 59.3°F 59.1°F 58.7°F
Jul 9 59.6°F 59.8°F 59.0°F
Jul 10 58.6°F 61.1°F 59.3°F
Jul 11 59.2°F 60.7°F 59.1°F
Jul 12 60.4°F 58.9°F 59.2°F
Jul 13 61.8°F 59.0°F 59.8°F
Jul 14 62.0°F 59.0°F 60.2°F
Jul 15 61.3°F 58.9°F 60.3°F
Jul 16 62.0°F 59.8°F 60.9°F
Jul 17 61.7°F 61.1°F 60.9°F
Jul 18 60.1°F 60.0°F 60.8°F
Jul 19 58.9°F 60.7°F 60.9°F
Jul 20 57.4°F 59.3°F 60.9°F
Jul 21 55.4°F 59.9°F 61.7°F
Jul 22 56.1°F 60.3°F 62.5°F
Jul 23 55.8°F 59.0°F 62.1°F
Jul 24 56.5°F 58.9°F 62.8°F
Jul 25 56.8°F 59.6°F 63.1°F
Jul 26 56.9°F 60.5°F 63.2°F
Jul 27 57.3°F 60.1°F 63.7°F
Jul 28 57.0°F 58.8°F 63.4°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 Lunenburg by month

In an average year, Lunenburg offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Lunenburg was recorded on July 29, 2023, reaching a 71.6°F. While the coldest temperature occurred on February 23, 2025, dipping to 32.0°F. The average readings by season are 38.0°F in Winter, 39.5°F in Spring, 58.8°F in Summer, and 56.5°F in Autumn.