Measurements:
°C
°F
CURRENT WEATHER
08:24
San Francisco
62°F
NE 3 mph
Feels like: 62°F
Precip: 0%
World Resorts USA San Francisco Weather

7 Day Weather Forecast

05.14
thu
DAY
72°F
E 8 mph
precip
0%
NIGHT
56°F
NE 4 mph
precip
0%
05.15
fri
DAY
64°F
E 9 mph
precip
0%
NIGHT
54°F
E 9 mph
precip
0%
05.16
sat
DAY
64°F
SE 9 mph
precip
0%
NIGHT
54°F
SE 3 mph
precip
0%
05.17
sun
DAY
64°F
E 6 mph
precip
0%
NIGHT
58°F
NE 3 mph
precip
0%
05.18
mon
DAY
68°F
E 6 mph
precip
0%
NIGHT
56°F
NE 6 mph
precip
0%
05.19
tue
DAY
68°F
E 7 mph
precip
0%
NIGHT
56°F
NE 6 mph
precip
0%
05.20
wed
DAY
66°F
NE 8 mph
precip
0%
NIGHT
58°F
NE 5 mph
precip
0%

San Francisco Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for San Francisco was 14.7°F. The maximum and minimum values were 13.4°F and 15.4°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 63.0 °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