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

55.2

°F

June 6, 21:17

Trend:

stable

Yesterday:

55.6°F

Tomorrow:

55.5°F

Sunrise:

05:40

Sunset:

20:56

Day Length:

15 h. 16 min.

Hamilton in June

Minimum:

36.6°F

Average:

38.5°F

Maximum:

39.4°F

Water temperature in Hamilton today

As of now, in Hamilton, the water temperature is 55.2°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 0.4°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 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 63.1°F on 2023, while the historical minimum was 49.3°F on 2019.

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 minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 56.8°F, with minimum temperature starting at 55.5°F, while the maximum might reach 58.0°F.

Daily water temperature in Hamilton

Date Current Year

actual* / forecast**

last year 10 years average
May 23 45.3°F 48.5°F 49.7°F
May 24 45.6°F 48.7°F 50.3°F
May 25 44.5°F 48.6°F 50.9°F
May 26 44.8°F 48.0°F 50.6°F
May 27 48.0°F 47.7°F 51.2°F
May 28 49.2°F 48.9°F 51.8°F
May 29 50.3°F 50.8°F 52.6°F
May 30 51.3°F 50.5°F 53.1°F
May 31 50.8°F 50.3°F 53.3°F
Jun 1 50.7°F 51.2°F 53.3°F
Jun 2 51.2°F 49.9°F 53.8°F
Jun 3 53.9°F 51.0°F 54.4°F
Jun 4 53.9°F 51.4°F 55.2°F
Jun 5 55.6°F 51.6°F 55.5°F
Jun 6 55.2°F 51.9°F 55.6°F
Jun 7 55.5°F 52.3°F 55.9°F
Jun 8 55.7°F 53.3°F 56.0°F
Jun 9 55.8°F 52.9°F 56.2°F
Jun 10 57.1°F 55.5°F 57.5°F
Jun 11 57.6°F 55.6°F 58.0°F
Jun 12 58.0°F 55.5°F 58.4°F
Jun 13 57.7°F 55.0°F 58.1°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, 66.4°F in Summer, and 58.4°F in Autumn.