Measurements:
°C
°F
CURRENT WEATHER
14:54
San Francisco
74°F
E 11 mph
Feels like: 74°F
Precip: 16%
World Resorts USA San Francisco Weather

7 Day Weather Forecast

08.25
tue
DAY
68°F
E 11 mph
precip
23%
NIGHT
60°F
NE 7 mph
precip
25%
08.26
wed
DAY
64°F
E 7 mph
precip
20%
NIGHT
64°F
E 7 mph
precip
10%
08.27
thu
DAY
66°F
E 8 mph
precip
13%
NIGHT
60°F
E 9 mph
precip
9%
08.28
fri
DAY
62°F
E 12 mph
precip
8%
NIGHT
58°F
E 14 mph
precip
15%
08.29
sat
DAY
62°F
E 12 mph
precip
9%
NIGHT
58°F
E 16 mph
precip
21%
08.30
sun
DAY
62°F
E 14 mph
precip
14%
NIGHT
58°F
E 14 mph
precip
12%
08.31
mon
DAY
62°F
E 16 mph
precip
7%
NIGHT
60°F
E 11 mph
precip
9%

San Francisco Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for San Francisco was 18.0°F. The maximum and minimum values were 16.7°F and 19.3°F respectively.

San Francisco on the Weather Map

Best Time to Visit San Francisco
The most sunny months:
June 18 days
October 18 days
April 17 days
The most warm months:
August 67.2 °F
September 66.7 °F
October 65.7 °F
Warmest sea temperature:
September 63.4 °F
August 63.2 °F
October 61.8 °F
The most cold months:
December 54.8 °F
January 55.3 °F
February 56.3 °F
The most rainy months:
March 4 days
December 4 days
January 4 days
The most windy months:
May 9 mph
June 9 mph
April 9 mph
more details