What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 27.72°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

January 31, 06:55

Trend:

stable

Yesterday:

81.8°F

Tomorrow:

81.7°F

Sunrise:

06:00

Sunset:

17:43

Day Length:

11 h. 43 min.

San Francisco in February

Minimum:

81.2°F

Average:

82.2°F

Maximum:

83.2°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 0.5°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 fall a bit.

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 82.5°F on 2018, while the historical minimum was 80.6°F on 2019.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.6°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
Jan 17	83.0°F	82.4°F	81.7°F
Jan 18	83.0°F	82.1°F	81.6°F
Jan 19	82.8°F	82.0°F	81.7°F
Jan 20	82.6°F	82.0°F	81.7°F
Jan 21	82.4°F	81.8°F	81.6°F
Jan 22	82.4°F	81.9°F	81.6°F
Jan 23	82.1°F	81.8°F	81.5°F
Jan 24	82.0°F	81.8°F	81.5°F
Jan 25	82.3°F	81.7°F	81.4°F
Jan 26	82.2°F	81.8°F	81.4°F
Jan 27	82.1°F	81.6°F	81.3°F
Jan 28	81.9°F	81.5°F	81.3°F
Jan 29	81.8°F	81.4°F	81.3°F
Jan 30	81.8°F	81.5°F	81.4°F
Jan 31	81.9°F	81.5°F	81.4°F
Feb 1	81.7°F	81.3°F	81.2°F
Feb 2	81.6°F	81.3°F	81.1°F
Feb 3	81.6°F	81.4°F	81.1°F
Feb 4	81.6°F	81.2°F	81.1°F
Feb 5	81.6°F	80.6°F	81.1°F
Feb 6	81.7°F	81.2°F	81.3°F
Feb 7	81.6°F	81.1°F	81.1°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 October 26, 2023, reaching a 87.6°F. While the coldest temperature occurred on January 18, 2015, dipping to 79.0°F. The average readings by season are 81.9°F in Winter, 82.8°F in Spring, 85.2°F in Summer, and 85.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
San Francisco	82.1°F	18mi
Madrid	82.9°F	37mi
San Francisco	82.2°F	43mi
San Jose	82.7°F	45mi
Santa Monica	83.6°F	51mi
Burgos	83.2°F	51mi
Medina	82.3°F	53mi
San Juan	82.4°F	55mi

* current water temperature in this city

** straight line distance from San Francisco