What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 27.71°C. It's safe to say that the water is comfortably warm for various water-related activities.

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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.

81.9

°F

March 27, 23:57

Trend:

increasing

Yesterday:

81.4°F

Tomorrow:

81.9°F

Sunrise:

05:40

Sunset:

17:50

Day Length:

12 h. 10 min.

San Francisco in April

Minimum:

81.0°F

Average:

82.4°F

Maximum:

83.3°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 81.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.4°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 83.3°F on 2021, while the historical minimum was 81.1°F on 2019.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.9°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
Mar 13	81.4°F	82.2°F	81.5°F
Mar 14	81.3°F	82.3°F	81.5°F
Mar 15	81.0°F	82.4°F	81.5°F
Mar 16	80.8°F	82.3°F	81.5°F
Mar 17	80.8°F	83.2°F	81.7°F
Mar 18	80.7°F	83.2°F	81.7°F
Mar 19	80.9°F	83.0°F	81.9°F
Mar 20	81.1°F	83.0°F	81.8°F
Mar 21	81.4°F	82.9°F	81.9°F
Mar 22	81.3°F	82.9°F	82.0°F
Mar 23	81.0°F	82.9°F	82.1°F
Mar 24	80.9°F	82.8°F	82.2°F
Mar 25	81.2°F	82.3°F	82.2°F
Mar 26	81.4°F	82.2°F	82.1°F
Mar 27	81.9°F	82.5°F	82.2°F
Mar 28	81.9°F	82.7°F	82.3°F
Mar 29	82.0°F	82.4°F	82.3°F
Mar 30	81.8°F	82.5°F	82.2°F
Mar 31	81.9°F	82.5°F	82.2°F
Apr 1	81.9°F	83.2°F	82.2°F
Apr 2	82.0°F	82.4°F	82.4°F
Apr 3	82.0°F	83.0°F	82.4°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 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 5, 2017, reaching a 86.6°F. While the coldest temperature occurred on February 16, 2019, dipping to 79.3°F. The average readings by season are 82.1°F in Winter, 83.0°F in Spring, 85.0°F in Summer, and 84.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
San Juan	81.9°F	14mi
San Francisco	81.7°F	27mi
San Jose	81.9°F	29mi
San Francisco	81.7°F	43mi
Trinidad	82.3°F	56mi

* current water temperature in this city

** straight line distance from San Francisco