All data are in degrees Fahrenheit

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Water temperature in Jamestown

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

70.9

°F

December 20, 02:33

Trend:

stable

Yesterday:

71.0°F

Tomorrow:

71.2°F

Sunrise:

05:48

Sunset:

18:53

Day Length:

13 h. 5 min.

Jamestown in December

Minimum:

71.9°F

Average:

74.1°F

Maximum:

76.0°F

Sea water temperature in Jamestown today

As of now, in Jamestown, the water temperature is 70.9°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 0.6°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 72.6°F on 2019, while the historical minimum was 70.4°F on 2017.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 71.4°F, with minimum temperature starting at 71.2°F, while the maximum might reach 71.7°F.

Daily water temperature in Jamestown

Date Current Year

actual* / forecast**

last year 10 years average
Dec 6 70.2°F 70.7°F 70.8°F
Dec 7 70.1°F 70.8°F 70.8°F
Dec 8 70.3°F 70.9°F 71.0°F
Dec 9 70.6°F 71.1°F 71.0°F
Dec 10 70.7°F 71.2°F 71.2°F
Dec 11 70.6°F 71.2°F 71.3°F
Dec 12 70.7°F 71.3°F 71.3°F
Dec 13 70.7°F 71.0°F 71.3°F
Dec 14 70.7°F 71.1°F 71.3°F
Dec 15 70.7°F 71.2°F 71.3°F
Dec 16 70.8°F 71.3°F 71.3°F
Dec 17 70.9°F 71.2°F 71.4°F
Dec 18 71.1°F 71.5°F 71.6°F
Dec 19 71.0°F 71.5°F 71.7°F
Dec 20 70.9°F 71.6°F 71.5°F
Dec 21 71.2°F 71.7°F 71.8°F
Dec 22 71.3°F 71.5°F 72.0°F
Dec 23 71.4°F 71.7°F 72.1°F
Dec 24 71.5°F 71.8°F 72.1°F
Dec 25 71.5°F 71.9°F 72.2°F
Dec 26 71.6°F 72.0°F 72.2°F
Dec 27 71.7°F 72.2°F 72.3°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 Jamestown by month

In Jamestown, the months January through June offer comfortable swimming conditions, which amounts to 166 swimming days.
The warmest water in Jamestown was recorded on February 24, 2022, reaching a 79.6°F. While the coldest temperature occurred on October 11, 2022, dipping to 67.4°F. The average readings by season are 74.2°F in Winter, 76.8°F in Spring, 71.7°F in Summer, and 69.0°F in Autumn.