All data are in degrees Fahrenheit

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Water temperature in West Haven

Detailed information about the current water temperature in West Haven. 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 West Haven now

65.6

°F

June 26, 09:28

Trend:

stable

Yesterday:

65.3°F

Tomorrow:

65.5°F

Sunrise:

05:20

Sunset:

20:29

Day Length:

15 h. 9 min.

West Haven in July

Minimum:

37.7°F

Average:

41.6°F

Maximum:

45.3°F

Sea water temperature in West Haven today

As of now, in West Haven, the water temperature is 65.6°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 2.0°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 71.6°F on 2025, while the historical minimum was 64.2°F on 2019.

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 66.6°F, with minimum temperature starting at 65.5°F, while the maximum might reach 67.7°F.

Daily water temperature in West Haven

Date Current Year

actual* / forecast**

last year 10 years average
Jun 12 61.5°F 62.8°F 62.4°F
Jun 13 63.8°F 64.1°F 62.7°F
Jun 14 62.7°F 64.2°F 62.8°F
Jun 15 63.8°F 64.3°F 63.5°F
Jun 16 62.7°F 64.5°F 63.9°F
Jun 17 62.7°F 64.6°F 63.8°F
Jun 18 63.2°F 64.9°F 64.1°F
Jun 19 64.2°F 64.9°F 64.7°F
Jun 20 65.0°F 64.7°F 64.9°F
Jun 21 64.9°F 66.3°F 65.4°F
Jun 22 64.3°F 66.1°F 66.0°F
Jun 23 65.0°F 67.7°F 66.0°F
Jun 24 64.9°F 71.4°F 67.2°F
Jun 25 65.3°F 69.0°F 67.1°F
Jun 26 65.6°F 71.6°F 67.5°F
Jun 27 65.5°F 70.9°F 67.4°F
Jun 28 66.3°F 69.0°F 68.2°F
Jun 29 66.2°F 68.8°F 68.2°F
Jun 30 66.5°F 67.2°F 68.5°F
Jul 1 67.0°F 67.8°F 69.0°F
Jul 2 67.3°F 67.9°F 69.3°F
Jul 3 67.7°F 68.7°F 69.7°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 West Haven by month

In West Haven, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 49.
The warmest water in West Haven was recorded on August 14, 2020, reaching a 78.6°F. While the coldest temperature occurred on February 5, 2026, dipping to 32.0°F. The average readings by season are 40.7°F in Winter, 46.2°F in Spring, 70.4°F in Summer, and 64.0°F in Autumn.