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 18.05°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

64.5

°F

October 10, 16:30

Trend:

decreasing

Yesterday:

66.1°F

Tomorrow:

64.1°F

Sunrise:

07:26

Sunset:

18:43

Day Length:

11 h. 17 min.

Toronto in October

Minimum:

36.0°F

Average:

38.3°F

Maximum:

39.5°F

Water temperature in Toronto today

As of now, in Toronto, the water temperature is 64.5°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 3.1°F higher 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 maximum temperature for this date. The maximum temperature recorded for this date was 64.5°F on 2024, while the historical minimum was 57.0°F on 2020.

latest data

last year

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 maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 63.1°F, the minimum temperature may reach 62.0°F, and the maximum might stay at 64.1°F.

Daily water temperature in Toronto

Date	Current Year actual* / forecast**	last year	10 years average
Sep 26	64.2°F	68.5°F	66.4°F
Sep 27	66.4°F	68.3°F	66.5°F
Sep 28	66.9°F	67.1°F	66.2°F
Sep 29	67.4°F	66.7°F	65.8°F
Sep 30	67.2°F	69.0°F	65.6°F
Oct 1	67.6°F	66.4°F	64.6°F
Oct 2	67.2°F	67.4°F	64.4°F
Oct 3	65.9°F	67.0°F	64.0°F
Oct 4	65.6°F	67.2°F	63.5°F
Oct 5	65.8°F	66.4°F	63.3°F
Oct 6	67.2°F	66.7°F	63.1°F
Oct 7	67.6°F	67.2°F	62.8°F
Oct 8	66.9°F	66.3°F	62.7°F
Oct 9	66.1°F	65.6°F	62.1°F
Oct 10	64.5°F	64.5°F	61.4°F
Oct 11	64.1°F	64.2°F	61.0°F
Oct 12	63.6°F	63.3°F	60.5°F
Oct 13	63.2°F	60.4°F	60.2°F
Oct 14	63.1°F	61.3°F	60.1°F
Oct 15	62.8°F	61.5°F	59.7°F
Oct 16	62.5°F	60.8°F	59.4°F
Oct 17	62.0°F	59.8°F	58.9°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 February 20, 2015, dipping to 32.0°F. The average readings by season are 38.4°F in Winter, 40.2°F in Spring, 64.4°F in Summer, and 57.7°F in Autumn.