Measurements:
°C
°F
CURRENT WEATHER
09:07
San Francisco
58°F
S 4 mph
Feels like: 60°F
Precip: 0%
World Resorts USA San Francisco Weather

7 Day Weather Forecast

04.23
thu
DAY
66°F
SE 3 mph
precip
0%
NIGHT
54°F
E 7 mph
precip
0%
04.24
fri
DAY
58°F
NE 10 mph
precip
0%
NIGHT
54°F
E 9 mph
precip
0%
04.25
sat
DAY
56°F
NE 9 mph
precip
100%
NIGHT
54°F
NE 7 mph
precip
100%
04.26
sun
DAY
58°F
NE 8 mph
precip
67%
NIGHT
54°F
E 7 mph
precip
0%
04.27
mon
DAY
60°F
N 9 mph
precip
100%
NIGHT
58°F
NE 2 mph
precip
69%
04.28
tue
DAY
60°F
NW 4 mph
precip
100%
NIGHT
56°F
S 4 mph
precip
100%
04.29
wed
DAY
60°F
SE 5 mph
precip
82%
NIGHT
54°F
E 14 mph
precip
0%

San Francisco Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for San Francisco was 15.2°F. The maximum and minimum values were 13.7°F and 16.5°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