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.
Water temperature in Toronto now

60.8

°F

July 31, 21:33

Trend:

increasing

Yesterday:

58.9°F

Tomorrow:

61.0°F

Sunrise:

06:05

Sunset:

20:42

Day Length:

14 h. 37 min.

Toronto in August

Minimum:

37.3°F

Average:

38.8°F

Maximum:

39.8°F

Water temperature in Toronto today

As of now, in Toronto, the water temperature is 60.8°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 8.4°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. 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 minimum temperature for this date. The maximum temperature recorded for this date was 74.5°F on 2024, while the historical minimum was 60.8°F on 2022.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 62.0°F, with minimum temperature starting at 61.0°F, while the maximum might reach 62.7°F.

Daily water temperature in Toronto

Date Current Year

actual* / forecast**

last year 10 years average
Jul 17 71.3°F 75.2°F 69.4°F
Jul 18 72.5°F 74.1°F 69.8°F
Jul 19 70.0°F 71.9°F 69.3°F
Jul 20 67.7°F 66.7°F 68.7°F
Jul 21 66.6°F 67.7°F 69.2°F
Jul 22 66.9°F 65.5°F 69.1°F
Jul 23 62.9°F 65.6°F 68.4°F
Jul 24 62.0°F 67.7°F 68.4°F
Jul 25 58.3°F 68.5°F 68.3°F
Jul 26 56.8°F 69.2°F 68.0°F
Jul 27 56.7°F 69.3°F 68.0°F
Jul 28 58.3°F 72.1°F 68.3°F
Jul 29 61.0°F 71.7°F 68.8°F
Jul 30 58.9°F 71.9°F 68.4°F
Jul 31 60.8°F 72.6°F 69.2°F
Aug 1 61.0°F 72.6°F 69.4°F
Aug 2 61.7°F 72.2°F 70.1°F
Aug 3 61.7°F 71.9°F 70.1°F
Aug 4 62.1°F 70.9°F 70.4°F
Aug 5 62.2°F 70.4°F 70.6°F
Aug 6 62.3°F 71.9°F 70.7°F
Aug 7 62.7°F 72.0°F 71.1°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, 64.5°F in Summer, and 57.9°F in Autumn.