All data are in degrees Fahrenheit

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Water temperature in San Francisco

Detailed information about the current water temperature in San Francisco. 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 San Francisco now

84.6

°F

June 15, 22:51

Trend:

decreasing

Yesterday:

85.7°F

Tomorrow:

84.5°F

Sunrise:

05:59

Sunset:

18:38

Day Length:

12 h. 39 min.

San Francisco in June

Minimum:

79.4°F

Average:

82.0°F

Maximum:

83.6°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 84.6°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.2°F higher 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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 85.4°F on 2023, while the historical minimum was 83.5°F on 2021.

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 84.5°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 Francisco

Date Current Year

actual* / forecast**

last year 10 years average
Jun 1 85.8°F 82.9°F 84.5°F
Jun 2 85.6°F 83.5°F 84.3°F
Jun 3 84.5°F 83.8°F 84.4°F
Jun 4 84.8°F 84.0°F 84.6°F
Jun 5 85.4°F 84.8°F 84.7°F
Jun 6 85.7°F 84.6°F 84.7°F
Jun 7 85.4°F 83.9°F 84.5°F
Jun 8 85.2°F 83.3°F 84.5°F
Jun 9 84.5°F 83.3°F 84.4°F
Jun 10 85.6°F 83.6°F 84.6°F
Jun 11 85.5°F 83.7°F 84.5°F
Jun 12 85.8°F 83.8°F 84.6°F
Jun 13 85.7°F 83.4°F 84.6°F
Jun 14 85.7°F 83.5°F 84.5°F
Jun 15 84.6°F 83.5°F 84.4°F
Jun 16 84.5°F 83.6°F 84.3°F
Jun 17 84.5°F 83.7°F 84.2°F
Jun 18 84.6°F 83.6°F 84.3°F
Jun 19 84.4°F 83.9°F 84.2°F
Jun 20 84.5°F 84.4°F 84.3°F
Jun 21 84.5°F 84.6°F 84.3°F
Jun 22 84.4°F 84.4°F 84.1°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 San Francisco by month

In San Francisco, the water temperature is comfortable for swimming all year round.
The warmest water in San Francisco was recorded on September 6, 2023, reaching a 87.5°F. While the coldest temperature occurred on February 23, 2023, dipping to 73.1°F. The average readings by season are 80.6°F in Winter, 80.7°F in Spring, 84.0°F in Summer, and 83.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Panamá 84.6°F 1mi
Veracruz 85.0°F 10mi
San José 85.2°F 16mi
Miramar 85.6°F 42mi
San José 85.4°F 42mi

* current water temperature in this city

** straight line distance from San Francisco