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 12.59°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.

54.7

°F

October 31, 10:01

Trend:

stable

Yesterday:

54.7°F

Tomorrow:

54.8°F

Sunrise:

07:52

Sunset:

18:10

Day Length:

10 h. 18 min.

Toronto in November

Minimum:

37.5°F

Average:

38.4°F

Maximum:

40.1°F

Water temperature in Toronto today

As of now, in Toronto, the water temperature is 54.7°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 2.4°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 rise 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 56.0°F on 2025, while the historical minimum was 45.9°F on 2022.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 53.3°F, the minimum temperature may reach 52.4°F, and the maximum might stay at 54.8°F.

Daily water temperature in Toronto

Date	Current Year actual* / forecast**	last year	10 years average
Oct 17	56.2°F	62.7°F	59.1°F
Oct 18	58.7°F	62.3°F	59.0°F
Oct 19	56.9°F	62.5°F	58.3°F
Oct 20	55.4°F	62.0°F	57.6°F
Oct 21	55.9°F	61.6°F	57.3°F
Oct 22	54.2°F	61.3°F	56.4°F
Oct 23	55.3°F	60.9°F	56.0°F
Oct 24	54.7°F	60.5°F	55.4°F
Oct 25	55.5°F	59.5°F	54.9°F
Oct 26	55.5°F	58.4°F	54.3°F
Oct 27	55.8°F	57.9°F	53.9°F
Oct 28	55.1°F	57.9°F	52.7°F
Oct 29	54.9°F	57.6°F	52.5°F
Oct 30	54.7°F	56.8°F	52.3°F
Oct 31	54.7°F	56.0°F	52.3°F
Nov 1	54.8°F	55.3°F	52.5°F
Nov 2	53.7°F	54.7°F	51.4°F
Nov 3	53.4°F	53.9°F	51.0°F
Nov 4	53.3°F	53.2°F	50.9°F
Nov 5	53.0°F	52.8°F	50.6°F
Nov 6	52.4°F	52.1°F	50.1°F
Nov 7	52.8°F	51.5°F	50.4°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.