Water temperature in Hamilton
68.0
°F
October 23, 17:14
Trend:
increasingYesterday:
67.9°FTomorrow:
68.3°F
Sunrise:
Sunset:
Day Length:
13 h. 7 min.Hamilton in October
Minimum:
70.6°FAverage:
72.6°FMaximum:
74.6°FSea water temperature in Hamilton today
As of now, in Hamilton, the water temperature is 68.0°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.5°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
The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 69.5°F on 2025, while the historical minimum was 64.7°F on 2018.
Daily water temperature in Hamilton
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Oct 9 | 66.7°F | 68.2°F | 66.1°F |
| Oct 10 | 66.9°F | 68.7°F | 66.3°F |
| Oct 11 | 67.6°F | 67.8°F | 66.3°F |
| Oct 12 | 68.4°F | 67.5°F | 66.4°F |
| Oct 13 | 68.3°F | 68.8°F | 66.3°F |
| Oct 14 | 68.2°F | 68.4°F | 66.2°F |
| Oct 15 | 66.8°F | 67.9°F | 66.0°F |
| Oct 16 | 67.0°F | 68.1°F | 66.1°F |
| Oct 17 | 67.9°F | 68.5°F | 66.3°F |
| Oct 18 | 68.4°F | 68.0°F | 66.3°F |
| Oct 19 | 67.9°F | 69.3°F | 66.4°F |
| Oct 20 | 67.1°F | 69.4°F | 66.4°F |
| Oct 21 | 67.7°F | 69.2°F | 66.5°F |
| Oct 22 | 67.9°F | 69.3°F | 66.5°F |
| Oct 23 | 68.0°F | 69.5°F | 66.5°F |
| Oct 24 | 68.3°F | 70.3°F | 66.8°F |
| Oct 25 | 68.6°F | 69.9°F | 67.2°F |
| Oct 26 | 68.6°F | 68.6°F | 67.1°F |
| Oct 27 | 68.7°F | 68.7°F | 67.2°F |
| Oct 28 | 68.5°F | 68.6°F | 67.0°F |
| Oct 29 | 68.8°F | 68.6°F | 67.4°F |
| Oct 30 | 68.8°F | 68.6°F | 67.3°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.