What is the current water temperature in Fort William?

Q: What is the current water temperature in Fort William?

As of now, in Fort William, the water temperature is 12.53°C. 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.

United Kingdom > Fort William

Water temperature in Fort William

Detailed information about the current water temperature in Fort William. 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.

54.6

°F

July 21, 15:47

Trend:

increasing

Yesterday:

54.4°F

Tomorrow:

54.8°F

Sunrise:

04:59

Sunset:

21:54

Day Length:

16 h. 55 min.

Fort William in July

Minimum:

47.2°F

Average:

47.5°F

Maximum:

47.9°F

Sea water temperature in Fort William today

As of now, in Fort William, the water temperature is 54.6°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 lower 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 rise a bit.

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 minimum temperature for this date. The maximum temperature recorded for this date was 56.8°F on 2021, while the historical minimum was 54.7°F on 2024.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 55.1°F, with minimum temperature starting at 54.8°F, while the maximum might reach 55.4°F.

Daily water temperature in Fort William

Date	Current Year actual* / forecast**	last year	10 years average
Jul 7	54.0°F	54.3°F	54.3°F
Jul 8	54.3°F	54.8°F	54.6°F
Jul 9	54.6°F	54.1°F	54.6°F
Jul 10	54.6°F	54.1°F	54.8°F
Jul 11	55.1°F	55.0°F	55.1°F
Jul 12	55.3°F	55.7°F	55.3°F
Jul 13	55.6°F	56.1°F	55.5°F
Jul 14	56.0°F	57.4°F	55.7°F
Jul 15	56.1°F	57.1°F	55.6°F
Jul 16	56.2°F	56.2°F	55.5°F
Jul 17	55.7°F	56.4°F	55.4°F
Jul 18	55.3°F	56.4°F	55.4°F
Jul 19	55.3°F	56.3°F	55.5°F
Jul 20	54.4°F	56.2°F	55.5°F
Jul 21	54.6°F	56.3°F	55.7°F
Jul 22	54.8°F	56.7°F	55.9°F
Jul 23	55.0°F	56.8°F	56.1°F
Jul 24	55.1°F	56.8°F	56.2°F
Jul 25	55.1°F	56.8°F	56.2°F
Jul 26	55.1°F	56.8°F	56.2°F
Jul 27	55.3°F	56.9°F	56.4°F
Jul 28	55.4°F	57.0°F	56.5°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.

Sea water temperature in Fort William by month

In an average year, Fort William offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Fort William was recorded on August 19, 2025, reaching a 59.1°F. While the coldest temperature occurred on March 12, 2016, dipping to 43.3°F. The average readings by season are 47.3°F in Winter, 46.6°F in Spring, 54.8°F in Summer, and 54.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Alexandria	60.3°F	60mi
Dumbarton	60.4°F	64mi
Houston	60.4°F	69mi

* current water temperature in this city

** straight line distance from Fort William