All data are in degrees Fahrenheit

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Water temperature in Hamilton

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

74.2

°F

June 2, 19:13

Trend:

stable

Yesterday:

74.2°F

Tomorrow:

74.3°F

Sunrise:

06:13

Sunset:

20:21

Day Length:

14 h. 8 min.

Hamilton in June

Minimum:

68.8°F

Average:

70.4°F

Maximum:

71.5°F

Sea water temperature in Hamilton today

As of now, in Hamilton, the water temperature is 74.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 77.1°F on 2018, while the historical minimum was 72.3°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 suggests a gradual increase. The average temperature is expected to rise up to 74.6°F, with minimum temperature starting at 74.3°F, while the maximum might reach 74.8°F.

Daily water temperature in Hamilton

Date Current Year

actual* / forecast**

last year 10 years average
May 19 72.9°F 71.4°F 72.5°F
May 20 73.8°F 71.6°F 72.7°F
May 21 73.7°F 72.1°F 72.9°F
May 22 73.9°F 72.2°F 72.9°F
May 23 73.8°F 71.7°F 73.1°F
May 24 74.0°F 73.0°F 73.2°F
May 25 74.2°F 73.4°F 73.3°F
May 26 74.3°F 73.9°F 73.5°F
May 27 74.0°F 74.8°F 73.7°F
May 28 74.1°F 75.1°F 74.0°F
May 29 74.4°F 76.1°F 74.2°F
May 30 74.3°F 75.9°F 74.4°F
May 31 74.1°F 75.8°F 74.5°F
Jun 1 74.2°F 75.7°F 74.7°F
Jun 2 74.2°F 75.9°F 75.0°F
Jun 3 74.3°F 75.5°F 75.2°F
Jun 4 74.3°F 74.9°F 75.2°F
Jun 5 74.8°F 76.0°F 75.6°F
Jun 6 74.6°F 75.5°F 75.4°F
Jun 7 74.7°F 75.9°F 75.5°F
Jun 8 74.7°F 75.7°F 75.6°F
Jun 9 74.8°F 76.0°F 75.7°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 Hamilton by month

In Hamilton, the months June through November offer comfortable swimming conditions, which amounts to 188 swimming days.
The warmest water in Hamilton was recorded on August 15, 2020, reaching a 85.6°F. While the coldest temperature occurred on February 24, 2025, dipping to 65.4°F. The average readings by season are 70.0°F in Winter, 69.7°F in Spring, 80.4°F in Summer, and 78.9°F in Autumn.