What is the current water temperature in Toronto?

Q: What is the current water temperature in Toronto?

As of now, in Toronto, the water temperature is 13.45°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 > Toronto

Water temperature in Toronto

Detailed information about the current water temperature in Toronto. 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.

56.2

°F

October 17, 07:13

Trend:

decreasing

Yesterday:

59.5°F

Tomorrow:

55.9°F

Sunrise:

07:34

Sunset:

18:31

Day Length:

10 h. 57 min.

Toronto in October

Minimum:

37.3°F

Average:

38.4°F

Maximum:

39.5°F

Water temperature in Toronto today

As of now, in Toronto, the water temperature is 56.2°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 3.2°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 fall a bit.

Recent water temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 63.8°F on 2021, while the historical minimum was 54.8°F on 2020.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 54.1°F, the minimum temperature may reach 52.2°F, and the maximum might stay at 55.9°F.

Daily water temperature in Toronto

Date	Current Year actual* / forecast**	last year	10 years average
Oct 3	64.2°F	65.9°F	64.0°F
Oct 4	63.7°F	65.6°F	63.6°F
Oct 5	63.3°F	65.8°F	63.6°F
Oct 6	62.7°F	67.2°F	63.4°F
Oct 7	62.2°F	67.6°F	63.0°F
Oct 8	61.5°F	66.9°F	62.7°F
Oct 9	61.4°F	66.1°F	62.2°F
Oct 10	61.1°F	64.5°F	61.7°F
Oct 11	61.4°F	64.1°F	61.4°F
Oct 12	60.1°F	62.9°F	60.7°F
Oct 13	60.4°F	63.4°F	60.4°F
Oct 14	60.0°F	63.3°F	60.3°F
Oct 15	59.8°F	63.5°F	60.2°F
Oct 16	59.5°F	63.8°F	59.8°F
Oct 17	56.2°F	62.7°F	59.4°F
Oct 18	55.9°F	62.3°F	59.1°F
Oct 19	55.2°F	62.5°F	58.4°F
Oct 20	54.7°F	62.0°F	57.9°F
Oct 21	54.2°F	61.6°F	57.4°F
Oct 22	53.5°F	61.3°F	56.7°F
Oct 23	52.9°F	60.9°F	56.1°F
Oct 24	52.2°F	60.5°F	55.4°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 Toronto by month

In an average year, Toronto offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Toronto was recorded on August 13, 2025, reaching a 77.6°F. While the coldest temperature occurred on March 16, 2025, dipping to 33.0°F. The average readings by season are 38.3°F in Winter, 40.3°F in Spring, 64.5°F in Summer, and 57.8°F in Autumn.