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

62.1

°F

June 28, 00:57

Trend:

stable

Yesterday:

62.1°F

Tomorrow:

62.2°F

Sunrise:

05:42

Sunset:

21:04

Day Length:

15 h. 22 min.

Hamilton in July

Minimum:

36.9°F

Average:

38.4°F

Maximum:

39.3°F

Water temperature in Hamilton today

As of now, in Hamilton, the water temperature is 62.1°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 1.2°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 stay about the same.

Recent water 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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 68.6°F on 2023, while the historical minimum was 59.7°F on 2025.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 62.9°F, with minimum temperature starting at 62.2°F, while the maximum might reach 64.3°F.

Daily water temperature in Hamilton

Date Current Year

actual* / forecast**

last year 10 years average
Jun 14 55.9°F 54.4°F 57.8°F
Jun 15 53.7°F 55.7°F 58.1°F
Jun 16 51.8°F 55.6°F 58.2°F
Jun 17 54.4°F 55.9°F 58.9°F
Jun 18 54.1°F 58.0°F 59.3°F
Jun 19 52.9°F 57.0°F 59.5°F
Jun 20 48.4°F 59.3°F 59.9°F
Jun 21 49.4°F 56.4°F 60.1°F
Jun 22 49.4°F 55.9°F 59.7°F
Jun 23 50.5°F 56.4°F 61.1°F
Jun 24 51.9°F 57.3°F 61.4°F
Jun 25 54.1°F 57.3°F 61.8°F
Jun 26 56.1°F 58.1°F 62.4°F
Jun 27 62.1°F 59.0°F 63.3°F
Jun 28 62.1°F 59.7°F 63.3°F
Jun 29 62.2°F 61.1°F 63.4°F
Jun 30 62.2°F 61.3°F 63.4°F
Jul 1 62.3°F 63.4°F 63.5°F
Jul 2 62.5°F 64.3°F 63.7°F
Jul 3 63.3°F 65.6°F 64.5°F
Jul 4 63.9°F 65.6°F 65.0°F
Jul 5 64.3°F 65.4°F 65.4°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.