What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 27.94°C. It's safe to say that the water is comfortably warm for various water-related activities.

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.

82.3

°F

December 21, 11:01

Trend:

decreasing

Yesterday:

82.3°F

Tomorrow:

82.1°F

Sunrise:

06:02

Sunset:

17:24

Day Length:

11 h. 22 min.

San Francisco in December

Minimum:

78.6°F

Average:

80.9°F

Maximum:

82.6°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 82.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.3°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 fall 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 82.9°F on 2022, while the historical minimum was 81.0°F on 2015.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 81.9°F, the minimum temperature may reach 81.7°F, and the maximum might stay at 82.1°F.

Daily water temperature in San Francisco

Date	Current Year actual* / forecast**	last year	10 years average
Dec 7	83.8°F	83.0°F	82.7°F
Dec 8	83.6°F	83.1°F	82.6°F
Dec 9	83.2°F	82.9°F	82.5°F
Dec 10	83.0°F	82.7°F	82.4°F
Dec 11	82.6°F	83.0°F	82.5°F
Dec 12	82.4°F	82.8°F	82.4°F
Dec 13	82.5°F	82.8°F	82.7°F
Dec 14	82.5°F	83.1°F	82.7°F
Dec 15	82.4°F	83.1°F	82.6°F
Dec 16	82.4°F	82.8°F	82.5°F
Dec 17	82.4°F	82.7°F	82.4°F
Dec 18	82.3°F	82.5°F	82.2°F
Dec 19	82.4°F	82.5°F	82.3°F
Dec 20	82.3°F	82.4°F	82.1°F
Dec 21	82.3°F	82.3°F	82.0°F
Dec 22	82.1°F	82.2°F	81.8°F
Dec 23	81.9°F	81.9°F	81.7°F
Dec 24	81.9°F	81.7°F	81.6°F
Dec 25	81.9°F	81.5°F	81.6°F
Dec 26	81.8°F	81.4°F	81.6°F
Dec 27	81.8°F	81.2°F	81.5°F
Dec 28	81.7°F	81.0°F	81.4°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 13, 2015, dipping to 78.2°F. The average readings by season are 81.1°F in Winter, 83.6°F in Spring, 85.6°F in Summer, and 84.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Padang	82.9°F	13mi
Santo Domingo	82.9°F	14mi
San Francisco	83.2°F	19mi
San Francisco	82.0°F	23mi
Barcelona	83.6°F	27mi
San Jose	81.7°F	31mi

* current water temperature in this city

** straight line distance from San Francisco