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 2.29°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.

36.1

°F

January 19, 06:53

Trend:

decreasing

Yesterday:

37.9°F

Tomorrow:

36.0°F

Sunrise:

07:46

Sunset:

17:11

Day Length:

9 h. 25 min.

Toronto in January

Minimum:

38.0°F

Average:

39.1°F

Maximum:

40.8°F

Water temperature in Toronto today

As of now, in Toronto, the water temperature is 36.1°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 1.7°F lower 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 stay about the same.

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 39.6°F on 2017, while the historical minimum was 36.5°F on 2018.

latest data

last year

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 shows a gradual cooling trend. The average temperature is expected to be 35.8°F, the minimum temperature may reach 35.5°F, and the maximum might stay at 36.0°F.

Daily water temperature in Toronto

Date	Current Year actual* / forecast**	last year	10 years average
Jan 5	37.0°F	38.1°F	38.7°F
Jan 6	37.1°F	38.5°F	38.7°F
Jan 7	37.2°F	38.5°F	38.6°F
Jan 8	37.3°F	39.4°F	38.8°F
Jan 9	37.5°F	38.4°F	38.6°F
Jan 10	37.6°F	38.1°F	38.4°F
Jan 11	37.6°F	37.5°F	38.4°F
Jan 12	37.9°F	37.6°F	38.4°F
Jan 13	37.9°F	37.9°F	38.4°F
Jan 14	37.4°F	38.0°F	38.3°F
Jan 15	37.5°F	38.2°F	38.1°F
Jan 16	37.5°F	38.0°F	38.1°F
Jan 17	37.5°F	38.4°F	38.0°F
Jan 18	37.9°F	38.5°F	38.0°F
Jan 19	36.1°F	38.5°F	37.9°F
Jan 20	36.0°F	37.4°F	37.8°F
Jan 21	35.8°F	38.0°F	37.5°F
Jan 22	35.9°F	37.4°F	37.7°F
Jan 23	35.7°F	37.3°F	37.5°F
Jan 24	35.8°F	37.3°F	37.5°F
Jan 25	35.5°F	36.4°F	37.3°F
Jan 26	35.5°F	36.5°F	37.3°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 38.4°F in Winter, 40.5°F in Spring, 64.7°F in Summer, and 57.9°F in Autumn.