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

35.9

°F

January 23, 09:58

Trend:

stable

Yesterday:

36.5°F

Tomorrow:

36.0°F

Sunrise:

07:44

Sunset:

17:18

Day Length:

9 h. 34 min.

Mississauga in January

Minimum:

37.9°F

Average:

39.1°F

Maximum:

41.1°F

Water temperature in Mississauga today

As of now, in Mississauga, the water temperature is 35.9°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 1.4°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 39.0°F on 2017, while the historical minimum was 36.4°F on 2019.

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 35.8°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
Jan 9 37.4°F 38.5°F 38.5°F
Jan 10 38.5°F 38.0°F 38.4°F
Jan 11 38.4°F 37.1°F 38.4°F
Jan 12 37.5°F 37.3°F 38.3°F
Jan 13 37.6°F 37.7°F 38.3°F
Jan 14 37.4°F 37.8°F 38.2°F
Jan 15 37.4°F 38.0°F 38.2°F
Jan 16 37.5°F 37.4°F 38.0°F
Jan 17 37.1°F 37.6°F 37.9°F
Jan 18 37.3°F 38.3°F 37.9°F
Jan 19 36.2°F 38.4°F 37.7°F
Jan 20 36.3°F 38.0°F 37.6°F
Jan 21 36.8°F 38.3°F 37.4°F
Jan 22 36.5°F 37.2°F 37.3°F
Jan 23 35.9°F 37.3°F 37.3°F
Jan 24 36.0°F 37.3°F 37.4°F
Jan 25 35.8°F 36.9°F 37.2°F
Jan 26 35.7°F 37.0°F 37.1°F
Jan 27 35.7°F 37.7°F 37.1°F
Jan 28 35.8°F 38.0°F 37.2°F
Jan 29 35.7°F 37.9°F 37.1°F
Jan 30 36.0°F 37.7°F 37.4°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 16, 2025, dipping to 34.1°F. The average readings by season are 38.4°F in Winter, 40.7°F in Spring, 65.1°F in Summer, and 58.0°F in Autumn.