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 30.08°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.

Philippines > San Francisco

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.

86.1

°F

May 16, 00:13

Trend:

stable

Yesterday:

86.4°F

Tomorrow:

86.5°F

Sunrise:

05:29

Sunset:

18:08

Day Length:

12 h. 39 min.

San Francisco in May

Minimum:

81.8°F

Average:

82.9°F

Maximum:

83.8°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 86.1°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 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 closely matches the previous two weeks' average, indicating a stable trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 87.8°F on 2024, while the historical minimum was 85.9°F on 2021.

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 minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 86.4°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
May 2	85.9°F	86.5°F	86.1°F
May 3	85.9°F	86.5°F	86.2°F
May 4	85.7°F	86.7°F	86.4°F
May 5	85.8°F	86.7°F	86.3°F
May 6	85.6°F	86.5°F	86.3°F
May 7	86.3°F	85.9°F	86.3°F
May 8	86.3°F	85.9°F	86.4°F
May 9	86.2°F	86.6°F	86.4°F
May 10	85.5°F	86.5°F	86.3°F
May 11	85.8°F	86.6°F	86.4°F
May 12	86.5°F	86.8°F	86.6°F
May 13	87.2°F	87.0°F	86.8°F
May 14	86.7°F	87.0°F	86.8°F
May 15	86.4°F	87.0°F	86.9°F
May 16	86.1°F	86.9°F	86.7°F
May 17	86.5°F	87.1°F	87.0°F
May 18	86.5°F	87.7°F	87.1°F
May 19	86.4°F	87.8°F	87.0°F
May 20	86.4°F	87.5°F	87.0°F
May 21	86.4°F	87.4°F	86.9°F
May 22	86.3°F	87.3°F	86.9°F
May 23	86.4°F	86.5°F	86.9°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 February 16, 2019, dipping to 79.3°F. The average readings by season are 82.6°F in Winter, 84.7°F in Spring, 85.6°F in Summer, and 85.0°F in Autumn.