All data are in degrees Fahrenheit

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Water temperature in Baltimore

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

79.1

°F

August 1, 12:39

Trend:

decreasing

Yesterday:

79.3°F

Tomorrow:

78.6°F

Sunrise:

06:06

Sunset:

20:19

Day Length:

14 h. 13 min.

Baltimore in August

Minimum:

33.2°F

Average:

39.5°F

Maximum:

42.5°F

Sea water temperature in Baltimore today

As of now, in Baltimore, the water temperature is 79.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 2.8°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 85.6°F on 2025, while the historical minimum was 79.5°F on 2017.

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 minimum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 78.4°F, the minimum temperature may reach 78.1°F, and the maximum might stay at 78.9°F.

Daily water temperature in Baltimore

Date Current Year

actual* / forecast**

last year 10 years average
Jul 18 82.9°F 83.7°F 81.8°F
Jul 19 82.1°F 84.9°F 82.3°F
Jul 20 81.4°F 85.1°F 82.5°F
Jul 21 80.6°F 84.2°F 82.2°F
Jul 22 81.4°F 82.6°F 81.7°F
Jul 23 81.3°F 81.7°F 81.4°F
Jul 24 80.5°F 81.9°F 81.3°F
Jul 25 80.3°F 81.3°F 80.6°F
Jul 26 79.6°F 81.7°F 80.3°F
Jul 27 79.6°F 83.6°F 81.2°F
Jul 28 80.1°F 84.1°F 81.5°F
Jul 29 80.8°F 83.6°F 81.5°F
Jul 30 79.9°F 84.1°F 81.6°F
Jul 31 79.3°F 84.5°F 81.5°F
Aug 1 79.1°F 85.6°F 81.9°F
Aug 2 78.6°F 83.8°F 81.4°F
Aug 3 78.9°F 82.3°F 81.7°F
Aug 4 78.4°F 81.3°F 81.2°F
Aug 5 78.2°F 80.7°F 81.0°F
Aug 6 78.1°F 81.4°F 80.9°F
Aug 7 78.3°F 80.8°F 81.1°F
Aug 8 78.2°F 79.6°F 81.0°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 Baltimore by month

In Baltimore, the months June through September offer comfortable swimming conditions, which amounts to 101 swimming days.
The warmest water in Baltimore was recorded on July 20, 2019, reaching a 86.3°F. While the coldest temperature occurred on January 11, 2018, dipping to 32.1°F. The average readings by season are 40.1°F in Winter, 53.7°F in Spring, 78.2°F in Summer, and 65.7°F in Autumn.