What is the current water temperature in Härnösand?

Q: What is the current water temperature in Härnösand?

As of now, in Härnösand, the water temperature is 13.8°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.

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Water temperature in Härnösand

Detailed information about the current water temperature in Härnösand. 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.

56.8

°F

August 23, 09:24

Trend:

decreasing

Yesterday:

57.1°F

Tomorrow:

56.4°F

Sunrise:

05:10

Sunset:

20:31

Day Length:

15 h. 21 min.

Härnösand in August

Minimum:

32.8°F

Average:

35.4°F

Maximum:

37.5°F

Sea water temperature in Härnösand today

As of now, in Härnösand, the water temperature is 56.8°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 2.9°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 fall a bit.

Recent sea 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 63.7°F on 2020, while the historical minimum was 54.7°F on 2025.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 55.8°F, the minimum temperature may reach 55.2°F, and the maximum might stay at 56.4°F.

Daily water temperature in Härnösand

Date	Current Year actual* / forecast**	last year	10 years average
Aug 9	60.0°F	64.1°F	62.1°F
Aug 10	60.0°F	63.9°F	61.9°F
Aug 11	59.8°F	63.6°F	61.5°F
Aug 12	57.3°F	58.1°F	60.7°F
Aug 13	57.0°F	58.1°F	60.5°F
Aug 14	57.0°F	58.1°F	60.3°F
Aug 15	58.4°F	59.9°F	60.7°F
Aug 16	59.0°F	59.6°F	60.5°F
Aug 17	58.2°F	57.3°F	60.4°F
Aug 18	58.3°F	57.0°F	60.3°F
Aug 19	57.7°F	55.8°F	60.3°F
Aug 20	57.2°F	54.3°F	59.9°F
Aug 21	57.2°F	55.6°F	59.7°F
Aug 22	57.1°F	55.7°F	60.0°F
Aug 23	56.8°F	54.7°F	59.8°F
Aug 24	56.4°F	55.8°F	59.3°F
Aug 25	56.4°F	55.6°F	59.3°F
Aug 26	56.1°F	55.6°F	59.0°F
Aug 27	55.6°F	54.7°F	58.6°F
Aug 28	55.5°F	55.5°F	58.5°F
Aug 29	55.4°F	56.0°F	58.3°F
Aug 30	55.2°F	56.4°F	58.2°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 Härnösand by month

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

The warmest water in Härnösand was recorded on July 20, 2018, reaching a 70.2°F. While the coldest temperature occurred on January 24, 2016, dipping to 32.0°F. The average readings by season are 35.1°F in Winter, 36.8°F in Spring, 57.7°F in Summer, and 48.6°F in Autumn.