What is the current water temperature in San Francisco?

Q: What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 29.72°C. 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.

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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.

85.5

°F

August 4, 00:33

Trend:

increasing

Yesterday:

85.3°F

Tomorrow:

85.6°F

Sunrise:

05:40

Sunset:

18:16

Day Length:

12 h. 36 min.

San Francisco in August

Minimum:

80.8°F

Average:

82.4°F

Maximum:

83.5°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 85.5°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 1.0°F higher 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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 85.0°F on 2016, while the historical minimum was 83.6°F on 2018.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 85.5°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 21	84.5°F	84.9°F	85.1°F
Jul 22	84.5°F	84.8°F	85.2°F
Jul 23	84.5°F	84.8°F	85.3°F
Jul 24	84.6°F	84.9°F	85.4°F
Jul 25	84.6°F	84.8°F	85.3°F
Jul 26	84.5°F	84.8°F	85.3°F
Jul 27	84.4°F	85.2°F	85.3°F
Jul 28	84.5°F	85.0°F	85.1°F
Jul 29	84.4°F	85.0°F	85.1°F
Jul 30	84.4°F	85.4°F	85.0°F
Jul 31	84.9°F	85.2°F	84.8°F
Aug 1	84.7°F	84.9°F	84.7°F
Aug 2	85.0°F	84.8°F	84.5°F
Aug 3	85.3°F	84.7°F	84.3°F
Aug 4	85.5°F	84.7°F	84.5°F
Aug 5	85.6°F	84.7°F	84.5°F
Aug 6	85.6°F	84.7°F	84.6°F
Aug 7	85.5°F	84.6°F	84.5°F
Aug 8	85.6°F	84.9°F	84.5°F
Aug 9	85.4°F	85.0°F	84.4°F
Aug 10	85.5°F	85.0°F	84.5°F
Aug 11	85.5°F	85.1°F	84.5°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 May 23, 2024, reaching a 88.5°F. While the coldest temperature occurred on January 26, 2015, dipping to 79.0°F. The average readings by season are 82.5°F in Winter, 84.6°F in Spring, 85.6°F in Summer, and 85.0°F in Autumn.