All data are in degrees Fahrenheit

en

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

68.5

°F

May 30, 02:39

Trend:

increasing

Yesterday:

67.6°F

Tomorrow:

69.5°F

Sunrise:

05:43

Sunset:

20:25

Day Length:

14 h. 42 min.

Baltimore in June

Minimum:

33.8°F

Average:

39.3°F

Maximum:

43.8°F

Sea water temperature in Baltimore today

As of now, in Baltimore, the water temperature is 68.5°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.7°F lower than 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 rise considerably.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 72.8°F on 2019, while the historical minimum was 67.0°F on 2025.

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 68.9°F, with minimum temperature starting at 68.4°F, while the maximum might reach 69.5°F.

Daily water temperature in Baltimore

Date Current Year

actual* / forecast**

last year 10 years average
May 16 62.0°F 68.1°F 62.7°F
May 17 62.4°F 67.9°F 63.7°F
May 18 65.9°F 69.2°F 64.6°F
May 19 67.0°F 68.4°F 64.6°F
May 20 70.2°F 65.1°F 64.6°F
May 21 71.9°F 64.5°F 65.0°F
May 22 71.0°F 63.5°F 64.9°F
May 23 68.5°F 62.3°F 64.1°F
May 24 66.1°F 62.1°F 64.5°F
May 25 64.7°F 61.4°F 64.8°F
May 26 65.4°F 65.3°F 66.3°F
May 27 65.9°F 64.3°F 67.1°F
May 28 68.1°F 65.4°F 68.4°F
May 29 67.6°F 66.3°F 69.3°F
May 30 68.5°F 67.0°F 70.2°F
May 31 69.5°F 67.6°F 71.2°F
Jun 1 68.5°F 67.0°F 70.2°F
Jun 2 68.4°F 65.5°F 70.1°F
Jun 3 68.6°F 65.7°F 70.3°F
Jun 4 68.6°F 65.1°F 70.3°F
Jun 5 69.2°F 66.8°F 70.9°F
Jun 6 69.4°F 69.6°F 71.1°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 July through September offer comfortable swimming conditions, which amounts to 97 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, 53.8°F in Spring, 78.1°F in Summer, and 65.7°F in Autumn.