All data are in degrees Fahrenheit

en

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

75.7

°F

August 16, 19:08

Trend:

increasing

Yesterday:

75.5°F

Tomorrow:

76.1°F

Sunrise:

06:23

Sunset:

20:20

Day Length:

13 h. 57 min.

Toronto in August

Minimum:

36.1°F

Average:

38.6°F

Maximum:

39.8°F

Water temperature in Toronto today

As of now, in Toronto, the water temperature is 75.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 5.4°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight 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 notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 74.9°F on 2018, while the historical minimum was 66.3°F on 2015.

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 75.7°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
Aug 2 72.2°F 75.0°F 69.7°F
Aug 3 71.9°F 74.7°F 69.7°F
Aug 4 70.9°F 74.9°F 70.1°F
Aug 5 70.4°F 74.5°F 70.1°F
Aug 6 71.9°F 74.9°F 70.2°F
Aug 7 72.0°F 73.9°F 69.9°F
Aug 8 72.3°F 73.8°F 70.2°F
Aug 9 71.7°F 73.2°F 69.7°F
Aug 10 72.0°F 73.5°F 70.0°F
Aug 11 71.9°F 73.3°F 69.8°F
Aug 12 76.1°F 73.7°F 70.3°F
Aug 13 77.6°F 74.2°F 70.8°F
Aug 14 75.1°F 73.8°F 70.3°F
Aug 15 75.5°F 74.0°F 70.5°F
Aug 16 75.7°F 69.3°F 70.3°F
Aug 17 76.1°F 71.3°F 70.7°F
Aug 18 76.1°F 69.3°F 70.7°F
Aug 19 76.4°F 71.8°F 71.0°F
Aug 20 76.1°F 71.7°F 70.7°F
Aug 21 75.2°F 67.1°F 69.8°F
Aug 22 75.2°F 67.7°F 69.8°F
Aug 23 75.2°F 66.4°F 69.8°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.