All data are in degrees Fahrenheit

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Water temperature in Bethlehem

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

69.0

°F

March 13, 03:54

Trend:

decreasing

Yesterday:

69.2°F

Tomorrow:

68.9°F

Sunrise:

07:11

Sunset:

19:39

Day Length:

12 h. 28 min.

Bethlehem in March

Minimum:

65.1°F

Average:

68.2°F

Maximum:

70.1°F

Sea water temperature in Bethlehem today

As of now, in Bethlehem, the water temperature is 69.0°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 0.7°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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 71.3°F on 2018, while the historical minimum was 68.0°F on 2024.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 68.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Bethlehem

Date Current Year

actual* / forecast**

last year 10 years average
Feb 27 69.1°F 72.2°F 71.2°F
Feb 28 69.5°F 72.3°F 71.3°F
Mar 1 69.5°F 72.2°F 71.3°F
Mar 2 70.4°F 71.9°F 71.2°F
Mar 3 69.2°F 71.6°F 71.0°F
Mar 4 69.0°F 71.5°F 70.8°F
Mar 5 68.7°F 71.6°F 70.6°F
Mar 6 69.0°F 70.7°F 70.5°F
Mar 7 68.9°F 70.4°F 70.4°F
Mar 8 69.4°F 69.8°F 70.5°F
Mar 9 69.7°F 69.3°F 70.2°F
Mar 10 69.9°F 69.4°F 70.3°F
Mar 11 69.7°F 69.3°F 70.1°F
Mar 12 69.2°F 69.6°F 69.9°F
Mar 13 69.0°F 69.0°F 69.7°F
Mar 14 68.9°F 69.3°F 69.6°F
Mar 15 68.7°F 69.2°F 69.4°F
Mar 16 68.8°F 69.2°F 69.5°F
Mar 17 68.8°F 69.6°F 69.5°F
Mar 18 68.8°F 70.1°F 69.5°F
Mar 19 68.7°F 69.7°F 69.4°F
Mar 20 68.6°F 69.6°F 69.3°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 Bethlehem by month

In an average year, Bethlehem offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Bethlehem was recorded on January 29, 2018, reaching a 74.3°F. While the coldest temperature occurred on August 23, 2023, dipping to 54.7°F. The average readings by season are 69.2°F in Winter, 66.7°F in Spring, 58.2°F in Summer, and 60.2°F in Autumn.