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

75.7

°F

November 6, 11:46

Trend:

decreasing

Yesterday:

76.3°F

Tomorrow:

75.6°F

Sunrise:

06:40

Sunset:

17:25

Day Length:

10 h. 45 min.

Hamilton in November

Minimum:

67.9°F

Average:

70.0°F

Maximum:

71.4°F

Sea water temperature in Hamilton today

As of now, in Hamilton, the water temperature is 75.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.7°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 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 77.2°F on 2021, while the historical minimum was 75.2°F on 2016.

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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 75.4°F, the minimum temperature may reach 75.0°F, and the maximum might stay at 75.6°F.

Daily water temperature in Hamilton

Date Current Year

actual* / forecast**

last year 10 years average
Oct 23 77.5°F 77.8°F 78.2°F
Oct 24 77.9°F 77.6°F 78.1°F
Oct 25 77.3°F 77.3°F 77.8°F
Oct 26 77.7°F 76.9°F 77.7°F
Oct 27 77.7°F 76.8°F 77.6°F
Oct 28 77.5°F 76.7°F 77.5°F
Oct 29 77.5°F 76.9°F 77.4°F
Oct 30 76.8°F 76.7°F 77.3°F
Oct 31 77.4°F 76.0°F 77.2°F
Nov 1 76.7°F 75.9°F 77.1°F
Nov 2 76.6°F 75.9°F 77.0°F
Nov 3 76.5°F 75.9°F 76.8°F
Nov 4 77.0°F 76.0°F 76.6°F
Nov 5 76.3°F 76.3°F 76.4°F
Nov 6 75.7°F 76.2°F 76.4°F
Nov 7 75.6°F 76.0°F 76.3°F
Nov 8 75.5°F 75.4°F 76.1°F
Nov 9 75.6°F 75.5°F 76.2°F
Nov 10 75.4°F 75.3°F 76.0°F
Nov 11 75.3°F 75.2°F 75.9°F
Nov 12 75.3°F 75.3°F 76.0°F
Nov 13 75.0°F 75.0°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, 80.6°F in Summer, and 78.9°F in Autumn.