The Silicon Valley city, San Francisco is the tech hub of the United States. Interestingly San Francisco is known for its mouth- watering cuisine and technological innovations. The city is home to a little bit of everything. Whether you’re a first time visitor or a frequent local, San Francisco’s Golden Gates welcome all. Museums, parks, universities and trams, the city is a perfect mix of old amalgamated into modern. Visit the Golden Gate Bridge, Alcatraz Island, Fisherman’s Wharf, Golden Gate Park and much more. Book flights to San Francisco Today. Summer (Jun–Aug) is warm and dry, with chilly fog in the mornings and evenings. Winter (Dec–Feb) is cool and rainy.