South San Francisco Weather

United States, North America

Updated: 04:30 PMVerified DataReal-time

South San Francisco

United States, United States of America

Saturday, 30 May 2026 at 17:06

20°

Sunny

Feels like 20°C

Humidity

59%

Wind

22 km/h WNW

Visibility

10 km

Pressure

1019 mb

Weather Forecast for South San Francisco

21°/ 11°

Partly Cloudy

Updated now

Rain Chance

Humidity

79%

Max Wind

22 km/h

Avg Temp

15°C

Sunrise

05:50 AM

Sunset

08:23 PM

Hourly Breakdown

Morning (6AM - 12PM)

13°C

06:00 am

12°

07:00 am

12°

08:00 am

13°

09:00 am

14°

10:00 am

15°

11:00 am

15°

Afternoon (12PM - 6PM)

19°C

12:00 pm

16°

01:00 pm

17°

02:00 pm

19°

03:00 pm

20°

04:00 pm

20°

05:00 pm

19°

Evening (6PM - 12AM)

15°C

06:00 pm

19°

07:00 pm

16°

08:00 pm

15°

09:00 pm

14°

10:00 pm

13°

11:00 pm

12°

Night (12AM - 6AM)

11°C

12:00 am

12°

01:00 am

12°

02:00 am

12°

03:00 am

12°

04:00 am

11°

05:00 am

11°

Hourly Forecast

Extended Forecast

Today

Partly Cloudy

22 km/h

21°11°

Sun, 31 May

Sunny

Other US Locations

View All

New York

15°C

Sunny

H: 16°L: 11°

Los Angeles

25°C

Sunny

H: 28°L: 12°

Chicago

21°C

Sunny

H: 23°L: 14°

Houston

33°C

Partly cloudy

H: 35°L: 23°

Phoenix

32°C

Sunny

H: 36°L: 18°

Philadelphia

18°C

Sunny

H: 20°L: 13°

About South San Francisco Weather

South San Francisco is located in the United States with varying weather patterns throughout the year. Plan your visit to South San Franciscowith our accurate weather forecasts, including hourly updates, 7-day predictions, and real-time conditions. Whether you're a local or visitor, stay prepared for whatever weather the United States brings.