All data are in degrees Fahrenheit

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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.
Sea temperature in Toronto now

69.0

°F

May 20, 19:38

Trend:

decreasing

Yesterday:

69.4°F

Tomorrow:

68.9°F

Sunrise:

06:41

Sunset:

16:59

Day Length:

10 h. 18 min.

Toronto in May

Minimum:

70.3°F

Average:

72.9°F

Maximum:

76.7°F

Sea water temperature in Toronto today

As of now, in Toronto, the water temperature is 69.0°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 0.2°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 71.2°F on 2014, while the historical minimum was 66.4°F on 2021.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 68.8°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
May 6 71.3°F 70.5°F 70.4°F
May 7 71.5°F 70.6°F 70.5°F
May 8 71.5°F 70.3°F 70.3°F
May 9 70.9°F 70.0°F 70.0°F
May 10 70.5°F 69.7°F 70.0°F
May 11 70.2°F 69.4°F 69.6°F
May 12 70.1°F 68.9°F 69.5°F
May 13 69.9°F 68.4°F 69.4°F
May 14 69.9°F 68.7°F 69.4°F
May 15 70.4°F 68.8°F 69.4°F
May 16 69.5°F 68.8°F 69.0°F
May 17 69.2°F 68.6°F 68.8°F
May 18 69.5°F 67.9°F 68.6°F
May 19 69.4°F 68.3°F 68.8°F
May 20 69.0°F 67.4°F 68.7°F
May 21 68.9°F 67.2°F 68.7°F
May 22 69.1°F 67.9°F 68.8°F
May 23 68.8°F 67.7°F 68.6°F
May 24 68.9°F 67.2°F 68.6°F
May 25 68.9°F 67.6°F 68.6°F
May 26 68.6°F 67.3°F 68.4°F
May 27 68.6°F 67.2°F 68.4°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.

Sea water temperature in Toronto by month

In Toronto, the months January through March offer comfortable swimming conditions, which amounts to 85 swimming days.
The warmest water in Toronto was recorded on February 2, 2020, reaching a 82.7°F. While the coldest temperature occurred on August 25, 2018, dipping to 60.7°F. The average readings by season are 73.6°F in Winter, 72.0°F in Spring, 64.7°F in Summer, and 66.8°F in Autumn.