What is the current water temperature in Hamilton?

Q: What is the current water temperature in Hamilton?

As of now, in Hamilton, the water temperature is 10.74°C. 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.

Canada > Hamilton

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.

51.3

°F

May 30, 19:58

Trend:

increasing

Yesterday:

50.3°F

Tomorrow:

51.6°F

Sunrise:

05:43

Sunset:

20:51

Day Length:

15 h. 8 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 51.3°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 1.9°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. 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 61.2°F on 2016, while the historical minimum was 45.5°F on 2019.

latest data

last year

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 52.6°F, with minimum temperature starting at 51.6°F, while the maximum might reach 53.7°F.

Daily water temperature in Hamilton

Date	Current Year actual* / forecast**	last year	10 years average
May 16	42.2°F	47.4°F	45.9°F
May 17	43.1°F	47.4°F	46.5°F
May 18	43.4°F	47.6°F	47.1°F
May 19	44.6°F	47.8°F	47.4°F
May 20	45.3°F	48.6°F	48.1°F
May 21	45.2°F	48.5°F	48.5°F
May 22	45.8°F	48.5°F	48.9°F
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	53.3°F
May 31	51.6°F	50.3°F	53.5°F
Jun 1	51.6°F	51.2°F	53.6°F
Jun 2	51.9°F	49.9°F	53.8°F
Jun 3	52.5°F	51.0°F	54.4°F
Jun 4	53.4°F	51.4°F	55.3°F
Jun 5	53.5°F	51.6°F	55.5°F
Jun 6	53.7°F	51.9°F	55.6°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.