What is the current water temperature in San Diego?

Q: What is the current water temperature in San Diego?

As of now, in San Diego, the water temperature is 19.75°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.

United States > San Diego

Water temperature in San Diego

Detailed information about the current water temperature in San Diego. 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.

67.6

°F

March 27, 23:27

Trend:

stable

Yesterday:

67.1°F

Tomorrow:

67.3°F

Sunrise:

06:43

Sunset:

19:05

Day Length:

12 h. 22 min.

San Diego in April

Minimum:

56.2°F

Average:

59.6°F

Maximum:

62.3°F

Sea water temperature in San Diego today

As of now, in San Diego, the water temperature is 67.6°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 7.0°F higher 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 fall a bit.

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 maximum temperature for this date. The maximum temperature recorded for this date was 63.2°F on 2024, while the historical minimum was 57.8°F on 2021.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 67.3°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in San Diego

Date	Current Year actual* / forecast**	last year	10 years average
Mar 13	62.5°F	58.4°F	60.2°F
Mar 14	63.1°F	58.4°F	60.3°F
Mar 15	63.2°F	58.3°F	60.3°F
Mar 16	63.9°F	58.0°F	60.2°F
Mar 17	64.5°F	58.1°F	60.5°F
Mar 18	65.1°F	58.5°F	60.6°F
Mar 19	65.6°F	58.2°F	60.8°F
Mar 20	66.1°F	58.2°F	60.8°F
Mar 21	67.1°F	58.5°F	60.9°F
Mar 22	66.9°F	58.7°F	60.8°F
Mar 23	67.4°F	58.9°F	60.9°F
Mar 24	66.7°F	59.5°F	61.0°F
Mar 25	66.1°F	59.8°F	61.1°F
Mar 26	67.1°F	59.9°F	61.2°F
Mar 27	67.6°F	59.3°F	60.6°F
Mar 28	67.3°F	58.9°F	60.3°F
Mar 29	67.3°F	58.7°F	60.3°F
Mar 30	67.4°F	58.0°F	60.4°F
Mar 31	67.2°F	58.4°F	60.2°F
Apr 1	67.3°F	58.3°F	60.3°F
Apr 2	67.3°F	58.3°F	60.4°F
Apr 3	67.4°F	57.4°F	60.4°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 San Diego by month

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

The warmest water in San Diego was recorded on August 7, 2018, reaching a 75.8°F. While the coldest temperature occurred on January 15, 2025, dipping to 55.5°F. The average readings by season are 59.6°F in Winter, 61.5°F in Spring, 68.2°F in Summer, and 65.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Tijuana	65.6°F	17mi
Oceanside	66.4°F	35mi
Laguna Beach	66.1°F	67mi

* current water temperature in this city

** straight line distance from San Diego