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

80.2

°F

June 23, 05:21

Trend:

increasing

Yesterday:

80.2°F

Tomorrow:

80.5°F

Sunrise:

06:13

Sunset:

20:29

Day Length:

14 h. 16 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 80.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.4°F higher 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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 79.5°F on 2015, while the historical minimum was 75.6°F on 2020.

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 maximum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 81.1°F, with minimum temperature starting at 80.5°F, while the maximum might reach 81.4°F.

Daily water temperature in Hamilton

Date Current Year

actual* / forecast**

last year 10 years average
Jun 9 75.4°F 76.0°F 75.6°F
Jun 10 76.0°F 76.5°F 75.8°F
Jun 11 76.5°F 76.6°F 76.0°F
Jun 12 77.3°F 76.7°F 76.2°F
Jun 13 77.5°F 77.3°F 76.5°F
Jun 14 78.3°F 77.8°F 76.7°F
Jun 15 78.7°F 77.6°F 76.8°F
Jun 16 78.7°F 77.9°F 76.9°F
Jun 17 79.1°F 78.0°F 77.2°F
Jun 18 78.7°F 78.2°F 77.3°F
Jun 19 79.1°F 78.1°F 77.4°F
Jun 20 79.5°F 77.4°F 77.5°F
Jun 21 79.4°F 76.7°F 77.6°F
Jun 22 80.2°F 77.3°F 77.8°F
Jun 23 80.2°F 77.0°F 77.8°F
Jun 24 80.5°F 77.3°F 78.1°F
Jun 25 80.8°F 77.4°F 78.4°F
Jun 26 81.1°F 77.8°F 78.6°F
Jun 27 81.2°F 78.1°F 78.7°F
Jun 28 81.3°F 78.1°F 78.8°F
Jun 29 81.3°F 78.9°F 78.9°F
Jun 30 81.4°F 79.0°F 79.0°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.