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 17.86°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

64.1

°F

June 26, 06:21

Trend:

stable

Yesterday:

66.6°F

Tomorrow:

64.4°F

Sunrise:

05:43

Sunset:

20:00

Day Length:

14 h. 17 min.

San Diego in July

Minimum:

56.0°F

Average:

59.5°F

Maximum:

62.5°F

Sea water temperature in San Diego today

As of now, in San Diego, the water temperature is 64.1°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.6°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 rise 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 71.0°F on 2020, while the historical minimum was 62.7°F on 2023.

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. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 64.6°F, with minimum temperature starting at 64.4°F, while the maximum might reach 64.7°F.

Daily water temperature in San Diego

Date	Current Year actual* / forecast**	last year	10 years average
Jun 12	70.4°F	60.7°F	65.7°F
Jun 13	70.8°F	61.5°F	66.0°F
Jun 14	69.9°F	61.8°F	66.2°F
Jun 15	70.1°F	63.0°F	66.4°F
Jun 16	70.2°F	64.2°F	66.8°F
Jun 17	70.4°F	64.4°F	66.8°F
Jun 18	70.9°F	65.0°F	66.9°F
Jun 19	71.0°F	65.6°F	67.3°F
Jun 20	70.6°F	66.2°F	67.6°F
Jun 21	70.4°F	66.2°F	67.7°F
Jun 22	70.3°F	65.5°F	67.6°F
Jun 23	70.0°F	66.1°F	67.5°F
Jun 24	68.4°F	66.7°F	67.2°F
Jun 25	66.6°F	67.5°F	66.8°F
Jun 26	64.1°F	67.7°F	66.8°F
Jun 27	64.4°F	68.6°F	67.0°F
Jun 28	64.4°F	68.4°F	67.1°F
Jun 29	64.6°F	67.9°F	67.3°F
Jun 30	64.7°F	66.7°F	67.3°F
Jul 1	64.7°F	65.4°F	67.3°F
Jul 2	64.6°F	64.2°F	67.2°F
Jul 3	64.6°F	63.1°F	67.2°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, 61.7°F in Spring, 68.3°F in Summer, and 65.9°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Tijuana	64.4°F	17mi
Oceanside	68.6°F	35mi
Laguna Beach	67.7°F	67mi

* current water temperature in this city

** straight line distance from San Diego