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 2.81°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.

37.1

°F

April 8, 18:21

Trend:

increasing

Yesterday:

36.7°F

Tomorrow:

37.2°F

Sunrise:

06:50

Sunset:

19:54

Day Length:

13 h. 4 min.

Hamilton in April

Minimum:

36.8°F

Average:

38.7°F

Maximum:

39.8°F

Water temperature in Hamilton today

As of now, in Hamilton, the water temperature is 37.1°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 1.8°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight 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

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 minimum temperature for this date. The maximum temperature recorded for this date was 40.9°F on 2019, while the historical minimum was 36.9°F on 2018.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 37.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hamilton

Date	Current Year actual* / forecast**	last year	10 years average
Mar 25	36.2°F	37.6°F	37.2°F
Mar 26	35.4°F	37.5°F	37.0°F
Mar 27	35.0°F	37.7°F	37.5°F
Mar 28	36.3°F	37.5°F	37.7°F
Mar 29	36.0°F	38.2°F	37.6°F
Mar 30	37.8°F	38.0°F	37.8°F
Mar 31	36.7°F	38.1°F	37.6°F
Apr 1	36.5°F	38.3°F	37.9°F
Apr 2	37.3°F	37.6°F	38.0°F
Apr 3	37.5°F	37.5°F	38.2°F
Apr 4	37.3°F	38.9°F	37.9°F
Apr 5	36.1°F	38.7°F	37.9°F
Apr 6	36.1°F	38.6°F	38.0°F
Apr 7	36.7°F	39.1°F	38.3°F
Apr 8	37.1°F	38.6°F	38.9°F
Apr 9	37.2°F	38.6°F	39.0°F
Apr 10	37.2°F	38.3°F	39.0°F
Apr 11	37.2°F	38.3°F	39.1°F
Apr 12	37.3°F	38.3°F	39.2°F
Apr 13	37.3°F	38.8°F	39.1°F
Apr 14	37.6°F	38.5°F	39.4°F
Apr 15	37.8°F	38.6°F	39.7°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, 41.3°F in Spring, 66.4°F in Summer, and 58.4°F in Autumn.