What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 24.73°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.

76.5

°F

January 15, 01:13

Trend:

stable

Yesterday:

76.6°F

Tomorrow:

76.8°F

Sunrise:

07:41

Sunset:

18:41

Day Length:

11 h. 0 min.

San Francisco in January

Minimum:

72.5°F

Average:

78.0°F

Maximum:

80.1°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 76.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.5°F lower 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 rise 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 79.3°F on 2020, while the historical minimum was 71.0°F on 2021.

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 76.8°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	77.1°F	79.4°F	78.0°F
Jan 2	77.2°F	79.3°F	78.0°F
Jan 3	77.1°F	79.2°F	78.1°F
Jan 4	77.0°F	79.3°F	78.1°F
Jan 5	77.5°F	79.2°F	77.9°F
Jan 6	77.8°F	79.3°F	77.9°F
Jan 7	78.3°F	78.9°F	77.9°F
Jan 8	78.0°F	78.7°F	77.7°F
Jan 9	77.8°F	78.4°F	77.7°F
Jan 10	77.6°F	78.2°F	77.8°F
Jan 11	77.3°F	77.9°F	77.6°F
Jan 12	77.0°F	78.1°F	77.4°F
Jan 13	76.9°F	77.8°F	77.4°F
Jan 14	76.6°F	77.5°F	77.1°F
Jan 15	76.5°F	77.2°F	77.0°F
Jan 16	76.8°F	77.7°F	77.3°F
Jan 17	77.0°F	78.0°F	77.5°F
Jan 18	76.8°F	77.7°F	77.3°F
Jan 19	76.8°F	77.6°F	77.3°F
Jan 20	76.9°F	78.2°F	77.4°F
Jan 21	76.9°F	78.7°F	77.4°F
Jan 22	76.7°F	78.5°F	77.2°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 July 31, 2023, reaching a 89.6°F. While the coldest temperature occurred on January 14, 2021, dipping to 70.5°F. The average readings by season are 78.0°F in Winter, 78.3°F in Spring, 85.6°F in Summer, and 85.8°F in Autumn.