All data are in degrees Fahrenheit

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Water temperature in Salem

Detailed information about the current water temperature in Salem. 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 Salem now

41.3

°F

January 6, 20:20

Trend:

decreasing

Yesterday:

41.9°F

Tomorrow:

41.1°F

Sunrise:

07:13

Sunset:

16:26

Day Length:

9 h. 13 min.

Salem in January

Minimum:

41.7°F

Average:

43.4°F

Maximum:

46.2°F

Sea water temperature in Salem today

As of now, in Salem, the water temperature is 41.3°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 1.8°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 45.2°F on 2022, while the historical minimum was 40.7°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 40.7°F, the minimum temperature may reach 40.4°F, and the maximum might stay at 41.1°F.

Daily water temperature in Salem

Date Current Year

actual* / forecast**

last year 10 years average
Jan 1 41.7°F 42.2°F 43.4°F
Jan 2 42.0°F 42.5°F 43.3°F
Jan 3 41.5°F 41.6°F 43.1°F
Jan 4 41.9°F 42.6°F 43.2°F
Jan 5 41.9°F 42.9°F 43.2°F
Jan 6 41.3°F 42.1°F 43.1°F
Jan 7 41.1°F 42.2°F 42.9°F
Jan 8 40.9°F 42.2°F 42.7°F
Jan 9 40.9°F 42.0°F 42.7°F
Jan 10 40.8°F 41.9°F 42.6°F
Jan 11 40.7°F 41.1°F 42.5°F
Jan 12 40.5°F 41.1°F 42.3°F
Jan 13 40.4°F 40.9°F 42.2°F
Dec 23 43.4°F 43.8°F 44.6°F
Dec 24 43.4°F 43.8°F 44.3°F
Dec 25 43.0°F 43.5°F 44.0°F
Dec 26 43.1°F 43.7°F 44.0°F
Dec 27 43.3°F 43.0°F 43.8°F
Dec 28 42.7°F 43.0°F 43.7°F
Dec 29 42.7°F 42.9°F 43.5°F
Dec 30 42.7°F 43.0°F 43.4°F
Dec 31 41.8°F 42.9°F 43.3°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 Salem by month

In an average year, Salem offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Salem was recorded on August 15, 2021, reaching a 74.2°F. While the coldest temperature occurred on February 24, 2025, dipping to 36.2°F. The average readings by season are 42.2°F in Winter, 44.6°F in Spring, 63.8°F in Summer, and 58.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Boston 40.6°F 14mi
South Boston 40.6°F 15mi
Plymouth 39.4°F 41mi
Providence 36.6°F 55mi
Bristol 36.2°F 61mi

* current water temperature in this city

** straight line distance from Salem