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

57.7

°F

September 18, 03:19

Trend:

increasing

Yesterday:

57.7°F

Tomorrow:

57.7°F

Sunrise:

06:55

Sunset:

19:29

Day Length:

12 h. 34 min.

Dumbarton in September

Minimum:

46.6°F

Average:

47.0°F

Maximum:

47.3°F

Sea water temperature in Dumbarton today

As of now, in Dumbarton, the water temperature is 57.7°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 1.1°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

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 58.5°F on 2023, while the historical minimum was 54.7°F on 2015.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 57.4°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
Sep 4 59.9°F 58.0°F 58.1°F
Sep 5 59.4°F 57.8°F 58.1°F
Sep 6 59.3°F 58.1°F 58.2°F
Sep 7 59.1°F 58.0°F 58.1°F
Sep 8 59.2°F 58.3°F 57.9°F
Sep 9 59.2°F 58.1°F 57.8°F
Sep 10 58.7°F 57.9°F 57.6°F
Sep 11 58.5°F 57.7°F 57.4°F
Sep 12 58.0°F 57.5°F 57.1°F
Sep 13 57.7°F 57.2°F 56.8°F
Sep 14 57.8°F 57.0°F 56.7°F
Sep 15 57.7°F 56.9°F 56.8°F
Sep 16 57.6°F 56.6°F 56.8°F
Sep 17 57.7°F 56.5°F 56.6°F
Sep 18 57.7°F 56.9°F 56.6°F
Sep 19 57.7°F 57.1°F 56.6°F
Sep 20 57.7°F 57.3°F 56.6°F
Sep 21 57.7°F 57.2°F 56.6°F
Sep 22 57.5°F 56.9°F 56.4°F
Sep 23 57.3°F 56.8°F 56.3°F
Sep 24 57.2°F 56.5°F 56.1°F
Sep 25 57.0°F 56.3°F 56.0°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, 47.2°F in Spring, 57.2°F in Summer, and 54.2°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Alexandria 57.7°F 3mi
Houston 57.6°F 5mi
Falkirk 58.0°F 31mi
Ayr 57.9°F 33mi
Fort William 56.4°F 64mi

* current water temperature in this city

** straight line distance from Dumbarton