San Diego
The mildest weather in the country, with beaches, a bay and Baja next door.
Photo: Unknown (See source)
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Severe Thunderstorm Watch issued October 16 at 3:57PM EDT until October 16 at 8:00PM EDT by NWS State College PA
Severe Thunderstorm Warning issued October 16 at 3:56PM EDT until October 16 at 4:30PM EDT by NWS Binghamton NY
High Wind Warning issued October 16 at 12:54PM PDT until October 18 at 12:00AM PDT by NWS San Diego CA
Good to know
To enter or transit through the US, you must have either an Electronic System for Travel Authorisation (ESTA) or a visa. The US State Department has more information on visas…
To enter the US, your passport must be valid for the length of your planned stay. If you’re travelling through another country on your way to or from the US, check the entry requirements for that country…
The US Customs and Border Protection Trusted Traveller Program (TTP) Global Entry allows pre-approved, low-risk travellers expedited clearance at some US airports. If you’re a British citizen, you can register to get a UK background check…
There are strict rules about goods you can take into or out of the US. You must declare anything that may be prohibited or subject to tax or duty.
Exercise normal security precautions. Latest change: The Health section was updated - travel health information (Public Health Agency of Canada).
Exercise normal security precautions. Latest change: Risk levels section – removed the advisory to avoid non-essential travel to the Northern Gulf coast…
May Gray and June Gloom bring low coastal cloud until early afternoon. It burns off a few kilometres inland.
The Blue Line trolley runs from downtown to the Mexican border at San Ysidro in about 35 minutes.
La Jolla Cove has resident sea lions. Keep the legal distance, the smell is part of the deal.
Balboa Park needs a full day and holds seventeen museums plus the zoo, so buy a multi museum pass.
Frequently asked questions
Three days covers the beaches, Balboa Park and the harbour. Four if you want a Baja or desert day trip.
August to October, when the water reaches around 20 to 22 degrees. Wetsuits are normal the rest of the year.
One of the best in the country. Calm beaches, the zoo, Balboa Park and short driving distances.
It helps outside downtown. The trolley and buses cover the core, but the north county beaches need wheels.
To enter or transit through the US, you must have either an Electronic System for Travel Authorisation (ESTA) or a visa. Source: UK Foreign, Commonwealth & Development Office.
To enter the US, your passport must be valid for the length of your planned stay. Source: UK Foreign, Commonwealth & Development Office.
For details about medical entry requirements and recommended vaccinations, see TravelHealthPro’s US guide. Source: UK Foreign, Commonwealth & Development Office.
There are strict rules about goods you can take into or out of the US. You must declare anything that may be prohibited or subject to tax or duty. Source: UK Foreign, Commonwealth & Development Office.
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Travel information last reviewed 16 October 2026. Compiled from U.S. Department of State, IATA Timatic, Open-Meteo and Tourpublish Travel Intelligence. Always confirm entry rules and safety guidance with official government sources before you travel.
Advisories, entry rules and alerts apply to United States as a whole.
Aggregated from official sources. Content is never rewritten — always display the publisher, publication time and original source link.