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

83.6

°F

August 10, 21:55

Trend:

stable

Yesterday:

84.1°F

Tomorrow:

83.7°F

Sunrise:

06:40

Sunset:

20:09

Day Length:

13 h. 29 min.

Hamilton in August

Minimum:

68.6°F

Average:

70.2°F

Maximum:

71.2°F

Sea water temperature in Hamilton today

As of now, in Hamilton, the water temperature is 83.6°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.3°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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 84.0°F on 2020, while the historical minimum was 82.4°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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 84.1°F, with minimum temperature starting at 83.7°F, while the maximum might reach 84.2°F.

Daily water temperature in Hamilton

Date Current Year

actual* / forecast**

last year 10 years average
Jul 27 83.1°F 83.2°F 82.8°F
Jul 28 82.5°F 83.0°F 82.7°F
Jul 29 82.2°F 83.7°F 82.7°F
Jul 30 82.4°F 83.8°F 82.7°F
Jul 31 81.7°F 84.3°F 83.0°F
Aug 1 82.0°F 84.6°F 83.0°F
Aug 2 82.1°F 84.4°F 83.1°F
Aug 3 81.6°F 84.0°F 83.0°F
Aug 4 82.0°F 84.0°F 83.1°F
Aug 5 82.9°F 83.7°F 83.2°F
Aug 6 83.4°F 83.6°F 83.4°F
Aug 7 83.4°F 84.2°F 83.4°F
Aug 8 83.9°F 83.9°F 83.4°F
Aug 9 84.1°F 83.9°F 83.4°F
Aug 10 83.6°F 83.7°F 83.2°F
Aug 11 83.7°F 83.9°F 83.4°F
Aug 12 84.1°F 84.9°F 83.7°F
Aug 13 84.1°F 84.7°F 83.8°F
Aug 14 84.1°F 85.0°F 83.8°F
Aug 15 84.2°F 84.6°F 83.9°F
Aug 16 84.2°F 84.8°F 83.9°F
Aug 17 84.2°F 85.1°F 83.9°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 190 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 69.9°F in Winter, 69.8°F in Spring, 80.6°F in Summer, and 78.9°F in Autumn.