All data are in degrees Fahrenheit

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Water temperature in Dumbarton

Detailed information about the current water temperature in Dumbarton. 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.
Sea temperature in Dumbarton now

49.2

°F

April 25, 03:58

Trend:

increasing

Yesterday:

49.1°F

Tomorrow:

49.3°F

Sunrise:

05:49

Sunset:

20:44

Day Length:

14 h. 55 min.

Dumbarton in May

Minimum:

46.6°F

Average:

47.0°F

Maximum:

47.9°F

Sea water temperature in Dumbarton today

As of now, in Dumbarton, the water temperature is 49.2°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 higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 48.8°F on 2023, while the historical minimum was 46.3°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest 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 49.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Dumbarton

Date Current Year

actual* / forecast**

last year 10 years average
Apr 11 47.2°F 46.4°F 45.9°F
Apr 12 48.1°F 46.2°F 45.8°F
Apr 13 47.8°F 46.6°F 45.8°F
Apr 14 48.3°F 46.9°F 46.0°F
Apr 15 48.3°F 47.0°F 46.2°F
Apr 16 48.3°F 47.2°F 46.5°F
Apr 17 48.3°F 47.4°F 46.7°F
Apr 18 48.3°F 47.4°F 46.9°F
Apr 19 48.4°F 47.6°F 47.2°F
Apr 20 48.5°F 47.8°F 47.4°F
Apr 21 48.3°F 47.7°F 47.5°F
Apr 22 48.2°F 47.6°F 47.7°F
Apr 23 48.8°F 48.1°F 47.8°F
Apr 24 49.1°F 48.3°F 47.7°F
Apr 25 49.2°F 48.3°F 47.7°F
Apr 26 49.3°F 48.4°F 47.8°F
Apr 27 49.3°F 48.4°F 47.8°F
Apr 28 49.3°F 48.5°F 47.8°F
Apr 29 49.4°F 48.7°F 48.0°F
Apr 30 49.5°F 48.7°F 48.1°F
May 1 49.6°F 48.8°F 48.1°F
May 2 49.7°F 48.9°F 48.2°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.

Sea water temperature in Dumbarton by month

In an average year, Dumbarton offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Dumbarton was recorded on July 22, 2021, reaching a 62.5°F. While the coldest temperature occurred on March 14, 2015, dipping to 42.5°F. The average readings by season are 46.6°F in Winter, 47.1°F in Spring, 57.0°F in Summer, and 54.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Alexandria 49.2°F 3mi
Houston 48.9°F 5mi
Falkirk 50.0°F 31mi
Ayr 48.7°F 33mi
Fort William 47.9°F 64mi

* current water temperature in this city

** straight line distance from Dumbarton