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 21.85°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

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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.

71.3

°F

July 17, 18:54

Trend:

stable

Yesterday:

72.1°F

Tomorrow:

71.7°F

Sunrise:

05:51

Sunset:

20:56

Day Length:

15 h. 5 min.

Toronto in July

Minimum:

37.2°F

Average:

38.6°F

Maximum:

39.5°F

Water temperature in Toronto today

As of now, in Toronto, the water temperature is 71.3°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 2.1°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 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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 75.2°F on 2025, while the historical minimum was 63.2°F on 2017.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 71.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Toronto

Date	Current Year actual* / forecast**	last year	10 years average
Jul 3	59.3°F	62.8°F	61.3°F
Jul 4	62.7°F	62.4°F	62.1°F
Jul 5	63.5°F	60.9°F	62.9°F
Jul 6	61.7°F	63.1°F	64.0°F
Jul 7	63.3°F	66.5°F	65.2°F
Jul 8	65.7°F	67.1°F	66.1°F
Jul 9	68.8°F	66.9°F	66.9°F
Jul 10	70.2°F	67.4°F	67.6°F
Jul 11	71.8°F	67.3°F	67.5°F
Jul 12	70.8°F	69.6°F	68.2°F
Jul 13	70.9°F	72.4°F	68.9°F
Jul 14	71.9°F	74.2°F	68.9°F
Jul 15	73.2°F	72.6°F	68.4°F
Jul 16	72.1°F	74.4°F	68.8°F
Jul 17	71.3°F	75.2°F	69.2°F
Jul 18	71.7°F	74.1°F	69.5°F
Jul 19	71.3°F	71.9°F	69.2°F
Jul 20	71.0°F	66.7°F	68.8°F
Jul 21	71.6°F	67.7°F	69.4°F
Jul 22	71.5°F	65.5°F	69.3°F
Jul 23	71.1°F	65.6°F	69.0°F
Jul 24	71.2°F	67.7°F	69.1°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, 64.6°F in Summer, and 57.9°F in Autumn.