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

72.4

°F

July 16, 20:35

Trend:

stable

Yesterday:

72.7°F

Tomorrow:

73.2°F

Sunrise:

05:52

Sunset:

20:57

Day Length:

15 h. 5 min.

Mississauga in July

Minimum:

37.2°F

Average:

38.5°F

Maximum:

39.2°F

Water temperature in Mississauga today

As of now, in Mississauga, the water temperature is 72.4°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 3.8°F higher 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 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 74.6°F on 2025, while the historical minimum was 61.9°F on 2017.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 73.3°F, with minimum temperature starting at 73.1°F, while the maximum might reach 73.6°F.

Daily water temperature in Mississauga

Date Current Year

actual* / forecast**

last year 10 years average
Jul 2 61.4°F 63.5°F 61.5°F
Jul 3 61.1°F 62.1°F 61.8°F
Jul 4 61.1°F 63.0°F 62.3°F
Jul 5 58.3°F 62.3°F 62.9°F
Jul 6 61.4°F 63.4°F 64.3°F
Jul 7 64.2°F 66.1°F 65.5°F
Jul 8 65.4°F 65.4°F 66.2°F
Jul 9 68.0°F 65.9°F 66.6°F
Jul 10 69.0°F 67.9°F 67.7°F
Jul 11 69.8°F 67.5°F 67.6°F
Jul 12 70.9°F 68.4°F 67.9°F
Jul 13 71.9°F 73.2°F 68.8°F
Jul 14 73.1°F 74.4°F 69.2°F
Jul 15 72.7°F 74.3°F 68.8°F
Jul 16 72.4°F 74.6°F 68.6°F
Jul 17 73.2°F 74.9°F 69.4°F
Jul 18 73.4°F 74.2°F 69.6°F
Jul 19 73.3°F 71.9°F 69.4°F
Jul 20 73.1°F 67.9°F 69.3°F
Jul 21 73.6°F 68.6°F 69.8°F
Jul 22 73.4°F 68.2°F 69.6°F
Jul 23 73.1°F 67.8°F 69.3°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 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, 40.6°F in Spring, 65.0°F in Summer, and 58.0°F in Autumn.