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

61.4

°F

July 2, 20:04

Trend:

increasing

Yesterday:

60.3°F

Tomorrow:

61.8°F

Sunrise:

05:42

Sunset:

21:04

Day Length:

15 h. 22 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 61.4°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is about the same as the average recorded on this particular day in recent years. Since yesterday, there was a noticeable 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 67.2°F on 2023, while the historical minimum was 55.3°F on 2022.

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 suggests a gradual increase. The average temperature is expected to rise up to 64.3°F, with minimum temperature starting at 61.8°F, while the maximum might reach 66.4°F.

Daily water temperature in Mississauga

Date Current Year

actual* / forecast**

last year 10 years average
Jun 18 50.9°F 57.7°F 57.4°F
Jun 19 49.6°F 57.4°F 57.6°F
Jun 20 47.7°F 59.2°F 57.7°F
Jun 21 45.9°F 55.8°F 57.8°F
Jun 22 46.4°F 55.5°F 57.8°F
Jun 23 47.9°F 54.9°F 58.9°F
Jun 24 48.5°F 56.1°F 58.7°F
Jun 25 49.3°F 55.8°F 58.8°F
Jun 26 51.0°F 57.7°F 60.2°F
Jun 27 51.5°F 58.7°F 60.3°F
Jun 28 54.0°F 59.4°F 60.4°F
Jun 29 57.1°F 61.4°F 60.6°F
Jun 30 59.5°F 60.2°F 60.5°F
Jul 1 60.3°F 63.1°F 61.2°F
Jul 2 61.4°F 63.5°F 61.5°F
Jul 3 61.8°F 62.1°F 61.9°F
Jul 4 62.4°F 63.0°F 62.5°F
Jul 5 63.3°F 62.3°F 63.4°F
Jul 6 64.5°F 63.4°F 64.6°F
Jul 7 65.6°F 66.1°F 65.6°F
Jul 8 66.2°F 65.4°F 66.2°F
Jul 9 66.4°F 65.9°F 66.5°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, 64.9°F in Summer, and 58.0°F in Autumn.