What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 27.15°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.

80.9

°F

January 9, 07:26

Trend:

decreasing

Yesterday:

81.0°F

Tomorrow:

80.9°F

Sunrise:

06:10

Sunset:

17:34

Day Length:

11 h. 24 min.

San Francisco in January

Minimum:

80.4°F

Average:

81.5°F

Maximum:

82.3°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 80.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as 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 82.0°F on 2024, while the historical minimum was 79.6°F on 2019.

latest data

last year

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 80.8°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
Jan 1	82.0°F	81.3°F	81.5°F
Jan 2	82.0°F	80.9°F	81.4°F
Jan 3	81.8°F	80.9°F	81.4°F
Jan 4	81.7°F	81.6°F	81.5°F
Jan 5	81.6°F	81.6°F	81.4°F
Jan 6	81.5°F	81.7°F	81.3°F
Jan 7	81.2°F	82.3°F	81.2°F
Jan 8	81.0°F	82.0°F	81.2°F
Jan 9	80.9°F	81.8°F	81.0°F
Jan 10	80.9°F	81.6°F	81.0°F
Jan 11	81.0°F	81.5°F	81.2°F
Jan 12	80.9°F	81.4°F	81.1°F
Jan 13	80.8°F	81.2°F	81.0°F
Jan 14	80.7°F	81.1°F	80.9°F
Jan 15	80.6°F	81.0°F	80.8°F
Jan 16	80.5°F	80.9°F	80.7°F
Dec 26	81.4°F	81.4°F	81.6°F
Dec 27	81.7°F	81.2°F	81.6°F
Dec 28	81.4°F	81.0°F	81.5°F
Dec 29	81.8°F	81.1°F	81.6°F
Dec 30	82.3°F	81.1°F	81.6°F
Dec 31	82.1°F	81.3°F	81.6°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 14, 2024, reaching a 88.4°F. While the coldest temperature occurred on January 29, 2019, dipping to 78.4°F. The average readings by season are 81.2°F in Winter, 83.7°F in Spring, 85.7°F in Summer, and 84.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Padang	81.2°F	13mi
Santo Domingo	81.2°F	14mi
San Francisco	81.4°F	19mi
San Francisco	80.3°F	23mi
Barcelona	81.3°F	27mi
San Jose	80.4°F	31mi

* current water temperature in this city

** straight line distance from San Francisco