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

50.9

°F

June 18, 19:43

Trend:

increasing

Yesterday:

49.9°F

Tomorrow:

51.3°F

Sunrise:

05:37

Sunset:

21:03

Day Length:

15 h. 26 min.

Mississauga in June

Minimum:

37.6°F

Average:

38.7°F

Maximum:

39.9°F

Water temperature in Mississauga today

As of now, in Mississauga, the water temperature is 50.9°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 7.1°F lower than 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 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 61.1°F on 2017, while the historical minimum was 47.8°F on 2019.

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 minimum recorded over the past years. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 52.1°F, with minimum temperature starting at 51.3°F, while the maximum might reach 52.9°F.

Daily water temperature in Mississauga

Date Current Year

actual* / forecast**

last year 10 years average
Jun 4 51.1°F 49.2°F 53.8°F
Jun 5 52.7°F 50.4°F 54.0°F
Jun 6 52.4°F 50.2°F 54.1°F
Jun 7 50.5°F 52.0°F 54.2°F
Jun 8 51.0°F 52.2°F 54.1°F
Jun 9 51.0°F 53.3°F 54.1°F
Jun 10 51.8°F 53.9°F 55.1°F
Jun 11 54.8°F 55.0°F 55.9°F
Jun 12 54.2°F 53.5°F 56.0°F
Jun 13 54.9°F 52.7°F 55.8°F
Jun 14 55.4°F 53.5°F 56.0°F
Jun 15 53.8°F 55.1°F 55.9°F
Jun 16 50.4°F 55.0°F 55.8°F
Jun 17 49.9°F 55.3°F 56.5°F
Jun 18 50.9°F 57.7°F 58.0°F
Jun 19 51.3°F 57.4°F 58.4°F
Jun 20 51.6°F 59.2°F 58.6°F
Jun 21 51.9°F 55.8°F 58.9°F
Jun 22 51.9°F 55.5°F 59.0°F
Jun 23 52.9°F 54.9°F 60.0°F
Jun 24 52.7°F 56.1°F 59.8°F
Jun 25 52.7°F 55.8°F 59.8°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, 65.1°F in Summer, and 58.0°F in Autumn.