All data are in degrees Fahrenheit

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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.
Sea temperature in Härnösand now

42.7

°F

November 15, 14:03

Trend:

stable

Yesterday:

42.3°F

Tomorrow:

42.5°F

Sunrise:

08:03

Sunset:

15:01

Day Length:

6 h. 58 min.

Härnösand in November

Minimum:

33.3°F

Average:

35.2°F

Maximum:

37.8°F

Sea water temperature in Härnösand today

As of now, in Härnösand, the water temperature is 42.7°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 about the same as the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. 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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 44.6°F on 2025, while the historical minimum was 41.5°F on 2023.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 41.8°F, the minimum temperature may reach 41.1°F, and the maximum might stay at 42.5°F.

Daily water temperature in Härnösand

Date Current Year

actual* / forecast**

last year 10 years average
Nov 1 45.3°F 44.1°F 44.5°F
Nov 2 45.5°F 43.7°F 44.3°F
Nov 3 45.7°F 44.9°F 44.4°F
Nov 4 45.2°F 45.1°F 44.0°F
Nov 5 44.9°F 44.3°F 43.9°F
Nov 6 44.5°F 43.8°F 43.8°F
Nov 7 44.6°F 43.8°F 43.6°F
Nov 8 44.2°F 43.6°F 43.3°F
Nov 9 43.3°F 43.6°F 43.1°F
Nov 10 42.6°F 44.0°F 42.9°F
Nov 11 43.3°F 43.8°F 42.8°F
Nov 12 43.5°F 44.5°F 43.1°F
Nov 13 43.3°F 45.2°F 43.0°F
Nov 14 42.3°F 44.5°F 42.6°F
Nov 15 42.7°F 44.6°F 42.5°F
Nov 16 42.5°F 44.2°F 42.3°F
Nov 17 42.2°F 43.6°F 42.1°F
Nov 18 42.0°F 43.0°F 41.8°F
Nov 19 41.8°F 42.7°F 41.6°F
Nov 20 41.6°F 41.6°F 41.4°F
Nov 21 41.4°F 41.9°F 41.2°F
Nov 22 41.1°F 41.0°F 40.9°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 48.7°F in Autumn.