What is the current water temperature in Mississauga?

Q: What is the current water temperature in Mississauga?

As of now, in Mississauga, the water temperature is 3.78°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 > Mississauga

Water temperature in Mississauga

Detailed information about the current water temperature in Mississauga. 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.

38.8

°F

April 26, 22:34

Trend:

stable

Yesterday:

38.7°F

Tomorrow:

38.6°F

Sunrise:

06:19

Sunset:

20:15

Day Length:

13 h. 56 min.

Mississauga in May

Minimum:

37.3°F

Average:

38.7°F

Maximum:

39.8°F

Water temperature in Mississauga today

As of now, in Mississauga, the water temperature is 38.8°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 2.1°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 fall a bit.

Recent water temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 42.6°F on 2016, while the historical minimum was 39.2°F on 2019.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 39.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Mississauga

Date	Current Year actual* / forecast**	last year	10 years average
Apr 12	37.5°F	37.9°F	38.4°F
Apr 13	37.0°F	38.2°F	38.5°F
Apr 14	36.8°F	37.7°F	39.2°F
Apr 15	36.9°F	37.6°F	39.3°F
Apr 16	36.9°F	38.9°F	39.5°F
Apr 17	34.5°F	38.8°F	39.4°F
Apr 18	39.1°F	39.6°F	40.0°F
Apr 19	37.3°F	39.3°F	39.6°F
Apr 20	38.9°F	39.1°F	40.0°F
Apr 21	39.1°F	40.3°F	39.8°F
Apr 22	37.9°F	38.4°F	40.2°F
Apr 23	39.8°F	41.0°F	40.0°F
Apr 24	40.5°F	39.7°F	40.1°F
Apr 25	38.7°F	40.9°F	40.4°F
Apr 26	38.8°F	40.2°F	40.9°F
Apr 27	38.6°F	40.1°F	40.7°F
Apr 28	38.9°F	42.2°F	41.1°F
Apr 29	38.7°F	41.6°F	40.9°F
Apr 30	38.7°F	41.9°F	40.9°F
May 1	39.0°F	42.5°F	41.1°F
May 2	39.4°F	42.0°F	41.5°F
May 3	39.8°F	43.6°F	42.0°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 Mississauga by month

In an average year, Mississauga offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Mississauga was recorded on August 13, 2025, reaching a 76.9°F. While the coldest temperature occurred on March 26, 2026, dipping to 33.8°F. The average readings by season are 38.3°F in Winter, 40.7°F in Spring, 65.1°F in Summer, and 58.0°F in Autumn.