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

64.0

°F

August 2, 02:06

Trend:

stable

Yesterday:

64.1°F

Tomorrow:

64.2°F

Sunrise:

06:10

Sunset:

20:40

Day Length:

14 h. 30 min.

Hamilton in August

Minimum:

36.6°F

Average:

38.4°F

Maximum:

39.5°F

Water temperature in Hamilton today

As of now, in Hamilton, the water temperature is 64.0°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 6.8°F lower 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 rise a bit.

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 minimum temperature for this date. The maximum temperature recorded for this date was 76.0°F on 2024, while the historical minimum was 62.8°F on 2022.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 64.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hamilton

Date Current Year

actual* / forecast**

last year 10 years average
Jul 19 70.8°F 73.3°F 69.9°F
Jul 20 71.2°F 68.1°F 69.8°F
Jul 21 70.0°F 69.8°F 70.3°F
Jul 22 69.9°F 70.5°F 70.4°F
Jul 23 68.6°F 71.0°F 69.9°F
Jul 24 64.6°F 71.5°F 69.8°F
Jul 25 60.6°F 72.6°F 69.7°F
Jul 26 62.3°F 72.8°F 70.0°F
Jul 27 62.4°F 74.8°F 70.3°F
Jul 28 62.6°F 74.7°F 70.3°F
Jul 29 66.0°F 74.7°F 70.6°F
Jul 30 62.2°F 75.0°F 70.0°F
Jul 31 62.3°F 75.5°F 70.2°F
Aug 1 64.1°F 75.1°F 70.9°F
Aug 2 64.0°F 74.0°F 70.8°F
Aug 3 64.2°F 72.7°F 71.1°F
Aug 4 64.1°F 72.4°F 71.0°F
Aug 5 64.2°F 72.5°F 71.1°F
Aug 6 64.4°F 72.2°F 71.3°F
Aug 7 64.5°F 72.8°F 71.4°F
Aug 8 64.5°F 72.6°F 71.4°F
Aug 9 64.4°F 72.5°F 71.3°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.

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, 66.2°F in Summer, and 58.4°F in Autumn.