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

61.9

°F

June 6, 20:57

Trend:

decreasing

Yesterday:

62.0°F

Tomorrow:

61.8°F

Sunrise:

07:24

Sunset:

17:04

Day Length:

9 h. 40 min.

Bethlehem in June

Minimum:

65.0°F

Average:

68.3°F

Maximum:

71.4°F

Sea water temperature in Bethlehem today

As of now, in Bethlehem, the water temperature is 61.9°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 1.0°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 fall a bit.

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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 61.8°F on 2017, while the historical minimum was 59.9°F on 2024.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 61.4°F, the minimum temperature may reach 60.9°F, and the maximum might stay at 61.8°F.

Daily water temperature in Bethlehem

Date Current Year

actual* / forecast**

last year 10 years average
May 23 63.6°F 60.7°F 62.8°F
May 24 63.4°F 60.7°F 62.6°F
May 25 63.4°F 60.7°F 62.5°F
May 26 63.2°F 60.9°F 62.2°F
May 27 63.1°F 60.8°F 62.0°F
May 28 62.9°F 60.8°F 61.9°F
May 29 62.6°F 60.8°F 61.8°F
May 30 62.6°F 60.2°F 61.6°F
May 31 62.3°F 60.1°F 61.5°F
Jun 1 62.3°F 59.6°F 61.4°F
Jun 2 62.1°F 59.9°F 61.3°F
Jun 3 61.9°F 59.7°F 61.2°F
Jun 4 62.0°F 59.6°F 61.1°F
Jun 5 62.0°F 59.8°F 61.1°F
Jun 6 61.9°F 59.9°F 60.9°F
Jun 7 61.8°F 59.8°F 60.8°F
Jun 8 61.6°F 59.6°F 60.6°F
Jun 9 61.5°F 59.6°F 60.5°F
Jun 10 61.5°F 59.6°F 60.5°F
Jun 11 61.4°F 59.8°F 60.4°F
Jun 12 61.2°F 59.3°F 60.2°F
Jun 13 60.9°F 59.2°F 60.0°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 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 69.0°F in Winter, 66.7°F in Spring, 58.2°F in Summer, and 60.0°F in Autumn.