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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.
Sea temperature in San Francisco now

85.6

°F

June 23, 11:25

Trend:

stable

Yesterday:

85.9°F

Tomorrow:

85.8°F

Sunrise:

05:20

Sunset:

18:01

Day Length:

12 h. 41 min.

San Francisco in June

Minimum:

81.1°F

Average:

82.2°F

Maximum:

83.1°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 85.6°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 0.4°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 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 86.1°F on 2019, while the historical minimum was 84.6°F on 2018.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 85.7°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
Jun 9 86.1°F 85.4°F 85.4°F
Jun 10 86.8°F 85.3°F 85.5°F
Jun 11 86.1°F 85.2°F 85.4°F
Jun 12 86.3°F 85.3°F 85.5°F
Jun 13 87.2°F 85.3°F 85.6°F
Jun 14 86.9°F 85.3°F 85.6°F
Jun 15 86.4°F 85.0°F 85.5°F
Jun 16 86.6°F 84.9°F 85.6°F
Jun 17 86.7°F 85.3°F 85.6°F
Jun 18 86.4°F 85.1°F 85.5°F
Jun 19 86.3°F 85.5°F 85.6°F
Jun 20 86.0°F 85.2°F 85.6°F
Jun 21 86.2°F 85.4°F 85.5°F
Jun 22 85.9°F 85.2°F 85.5°F
Jun 23 85.6°F 85.1°F 85.3°F
Jun 24 85.8°F 85.5°F 85.4°F
Jun 25 85.7°F 84.9°F 85.4°F
Jun 26 85.7°F 84.8°F 85.3°F
Jun 27 85.6°F 85.0°F 85.2°F
Jun 28 85.6°F 85.0°F 85.2°F
Jun 29 85.8°F 85.0°F 85.4°F
Jun 30 85.9°F 85.0°F 85.5°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

January

February

March

April

May

June

July

August

September

October

November

December

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 February 23, 2019, dipping to 79.2°F. The average readings by season are 82.1°F in Winter, 82.9°F in Spring, 85.3°F in Summer, and 85.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
San Francisco 84.8°F 18mi
Madrid 86.3°F 37mi
San Francisco 84.6°F 43mi
San Jose 85.7°F 45mi
Santa Monica 86.1°F 51mi
Burgos 86.3°F 51mi
Medina 86.0°F 53mi
San Juan 84.8°F 55mi

* current water temperature in this city

** straight line distance from San Francisco