All data are in degrees Fahrenheit

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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.
Water temperature in Mississauga now

34.5

°F

April 17, 14:26

Trend:

stable

Yesterday:

36.9°F

Tomorrow:

34.7°F

Sunrise:

06:33

Sunset:

20:04

Day Length:

13 h. 31 min.

Mississauga in April

Minimum:

37.5°F

Average:

38.9°F

Maximum:

40.1°F

Water temperature in Mississauga today

As of now, in Mississauga, the water temperature is 34.5°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 5.3°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 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 43.2°F on 2024, while the historical minimum was 38.1°F on 2018.

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 34.7°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Mississauga

Date Current Year

actual* / forecast**

last year 10 years average
Apr 3 35.7°F 36.9°F 38.0°F
Apr 4 35.6°F 38.8°F 37.9°F
Apr 5 35.7°F 38.6°F 37.9°F
Apr 6 35.7°F 38.7°F 38.0°F
Apr 7 36.2°F 38.7°F 38.7°F
Apr 8 37.0°F 38.8°F 38.8°F
Apr 9 37.1°F 38.6°F 38.6°F
Apr 10 37.1°F 38.0°F 38.1°F
Apr 11 35.7°F 37.9°F 38.4°F
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 39.9°F
Apr 18 34.7°F 39.6°F 40.0°F
Apr 19 34.5°F 39.3°F 39.8°F
Apr 20 34.7°F 39.1°F 40.1°F
Apr 21 34.6°F 40.3°F 39.9°F
Apr 22 35.0°F 38.4°F 40.4°F
Apr 23 34.7°F 41.0°F 40.0°F
Apr 24 34.7°F 39.7°F 40.0°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.