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

85.7

°F

August 3, 00:27

Trend:

increasing

Yesterday:

85.6°F

Tomorrow:

85.7°F

Sunrise:

05:30

Sunset:

18:11

Day Length:

12 h. 41 min.

San Francisco in August

Minimum:

78.1°F

Average:

79.8°F

Maximum:

81.4°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 85.7°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 1.1°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 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 85.6°F on 2022, while the historical minimum was 83.8°F on 2015.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 85.8°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
Jul 20 84.7°F 84.8°F 84.6°F
Jul 21 84.6°F 84.7°F 84.6°F
Jul 22 84.4°F 84.6°F 84.5°F
Jul 23 84.4°F 84.6°F 84.4°F
Jul 24 84.4°F 84.6°F 84.5°F
Jul 25 84.3°F 84.5°F 84.4°F
Jul 26 84.5°F 84.3°F 84.5°F
Jul 27 84.4°F 84.7°F 84.5°F
Jul 28 84.5°F 84.5°F 84.4°F
Jul 29 84.2°F 84.5°F 84.4°F
Jul 30 84.3°F 85.9°F 84.5°F
Jul 31 84.3°F 86.1°F 84.5°F
Aug 1 84.7°F 85.7°F 84.6°F
Aug 2 85.6°F 85.3°F 84.5°F
Aug 3 85.7°F 85.2°F 84.6°F
Aug 4 85.7°F 85.4°F 84.6°F
Aug 5 85.7°F 85.3°F 84.6°F
Aug 6 85.8°F 85.4°F 84.7°F
Aug 7 85.8°F 85.4°F 84.7°F
Aug 8 85.8°F 85.3°F 84.7°F
Aug 9 85.7°F 85.4°F 84.6°F
Aug 10 85.8°F 85.4°F 84.7°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 June 16, 2016, reaching a 87.0°F. While the coldest temperature occurred on January 29, 2019, dipping to 76.9°F. The average readings by season are 79.8°F in Winter, 81.4°F in Spring, 84.6°F in Summer, and 83.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Barcelona 84.2°F 19mi
San Francisco 84.1°F 23mi
Padang 83.9°F 35mi
Santo Domingo 83.9°F 36mi

* current water temperature in this city

** straight line distance from San Francisco