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

64.5

°F

May 10, 04:35

Trend:

increasing

Yesterday:

64.5°F

Tomorrow:

64.7°F

Sunrise:

07:04

Sunset:

17:20

Day Length:

10 h. 16 min.

Bethlehem in May

Minimum:

65.3°F

Average:

68.3°F

Maximum:

71.6°F

Sea water temperature in Bethlehem today

As of now, in Bethlehem, the water temperature is 64.5°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 0.4°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 stay about the same.

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 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 66.1°F on 2016, while the historical minimum was 62.2°F on 2024.

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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 64.3°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
Apr 26 66.5°F 64.7°F 65.6°F
Apr 27 66.4°F 64.4°F 65.5°F
Apr 28 66.4°F 64.2°F 65.3°F
Apr 29 66.1°F 64.1°F 65.3°F
Apr 30 65.9°F 64.1°F 65.2°F
May 1 66.3°F 63.5°F 65.1°F
May 2 66.1°F 63.7°F 65.0°F
May 3 65.7°F 63.4°F 64.9°F
May 4 65.5°F 63.4°F 64.8°F
May 5 65.4°F 63.1°F 64.5°F
May 6 64.8°F 63.1°F 64.4°F
May 7 64.4°F 63.1°F 64.3°F
May 8 64.6°F 62.9°F 64.3°F
May 9 64.5°F 62.3°F 64.1°F
May 10 64.5°F 62.2°F 64.1°F
May 11 64.7°F 62.4°F 64.3°F
May 12 64.6°F 62.3°F 64.2°F
May 13 64.7°F 62.4°F 64.3°F
May 14 64.6°F 62.3°F 64.2°F
May 15 64.2°F 61.2°F 63.8°F
May 16 64.0°F 61.0°F 63.6°F
May 17 63.8°F 60.2°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 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.