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.
Water temperature in Hamilton now

55.7

°F

November 1, 13:31

Trend:

stable

Yesterday:

55.5°F

Tomorrow:

53.8°F

Sunrise:

06:54

Sunset:

17:11

Day Length:

10 h. 17 min.

Hamilton in November

Minimum:

36.9°F

Average:

38.1°F

Maximum:

38.8°F

Water temperature in Hamilton today

As of now, in Hamilton, the water temperature is 55.7°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 3.2°F higher than the average recorded on this particular day in recent years. The water temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall considerably.

Recent water 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 maximum temperature for this date. The maximum temperature recorded for this date was 56.5°F on 2021, while the historical minimum was 44.0°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.7°F, the minimum temperature may reach 53.3°F, and the maximum might stay at 53.9°F.

Daily water temperature in Hamilton

Date Current Year

actual* / forecast**

last year 10 years average
Oct 18 60.5°F 63.1°F 59.2°F
Oct 19 59.1°F 63.2°F 58.8°F
Oct 20 58.9°F 62.3°F 58.3°F
Oct 21 57.8°F 62.0°F 57.7°F
Oct 22 57.8°F 61.6°F 57.2°F
Oct 23 58.5°F 61.2°F 56.8°F
Oct 24 57.5°F 60.0°F 56.1°F
Oct 25 56.2°F 59.8°F 55.6°F
Oct 26 56.4°F 58.4°F 55.1°F
Oct 27 56.9°F 58.2°F 54.7°F
Oct 28 56.8°F 58.1°F 53.7°F
Oct 29 56.8°F 57.3°F 53.7°F
Oct 30 56.0°F 56.4°F 52.8°F
Oct 31 55.5°F 55.7°F 52.4°F
Nov 1 55.7°F 55.6°F 52.5°F
Nov 2 53.8°F 54.2°F 50.6°F
Nov 3 53.9°F 53.9°F 50.8°F
Nov 4 53.9°F 54.1°F 50.7°F
Nov 5 53.6°F 54.2°F 50.4°F
Nov 6 53.3°F 52.9°F 50.1°F
Nov 7 53.7°F 52.8°F 50.6°F
Nov 8 53.7°F 52.0°F 50.6°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.

Water temperature in Hamilton by month

In an average year, Hamilton offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Hamilton was recorded on August 28, 2021, reaching a 77.8°F. While the coldest temperature occurred on February 6, 2026, dipping to 33.9°F. The average readings by season are 38.1°F in Winter, 41.1°F in Spring, 66.1°F in Summer, and 58.4°F in Autumn.