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

64.1

°F

April 26, 16:06

Trend:

decreasing

Yesterday:

64.3°F

Tomorrow:

64.0°F

Sunrise:

06:51

Sunset:

17:35

Day Length:

10 h. 44 min.

Bethlehem in May

Minimum:

65.3°F

Average:

68.4°F

Maximum:

71.6°F

Sea water temperature in Bethlehem today

As of now, in Bethlehem, the water temperature is 64.1°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.5°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 66.9°F on 2016, while the historical minimum was 64.0°F on 2020.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 63.7°F, the minimum temperature may reach 63.4°F, and the maximum might stay at 64.0°F.

Daily water temperature in Bethlehem

Date Current Year

actual* / forecast**

last year 10 years average
Apr 12 67.2°F 67.7°F 67.3°F
Apr 13 67.1°F 67.0°F 67.4°F
Apr 14 67.0°F 66.8°F 67.1°F
Apr 15 67.4°F 66.9°F 67.1°F
Apr 16 67.1°F 66.7°F 66.9°F
Apr 17 66.7°F 66.6°F 66.8°F
Apr 18 66.5°F 66.7°F 66.6°F
Apr 19 66.8°F 66.6°F 66.5°F
Apr 20 66.0°F 66.7°F 66.3°F
Apr 21 65.7°F 67.1°F 66.2°F
Apr 22 65.7°F 67.1°F 66.1°F
Apr 23 64.8°F 67.5°F 65.9°F
Apr 24 64.6°F 67.0°F 65.9°F
Apr 25 64.3°F 66.7°F 65.8°F
Apr 26 64.1°F 66.5°F 65.6°F
Apr 27 64.0°F 66.4°F 65.5°F
Apr 28 63.8°F 66.4°F 65.3°F
Apr 29 63.8°F 66.1°F 65.3°F
Apr 30 63.8°F 65.9°F 65.3°F
May 1 63.7°F 66.3°F 65.2°F
May 2 63.6°F 66.1°F 65.1°F
May 3 63.4°F 65.7°F 64.9°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.