HELP! I'm going to San Diego on August 21 for 10 days. What should I pack for the weather?

Well it's dead of summer in southern California so I'd pack for warm weather.

Any activites you'll be doing that you need special clothes for (sailing, hiking, etc.) or just normal tourist walking around?

Whenever I go to CA I always pack a comfortable pair of yoga pants, flip flops, a couple of long sleeve t's (one white, one black) a denim or khaki skirt, a pair of shorts and a jean jacket.

Unless I need to get to get dressed up for something, this is pretty much all that I need. Oh yes, maybe a bathing suit & cute little cover up that can also double as a cute sundress.

SF weather is so unpredictable! I've experienced warmer temps in May than Aug. Packing clothes that can be layered seems best. Plan for 2 seasons, and you should be fine. Have a great time!

Sometimes you can freeze at night in San Diego close to the water. Bring along a warm sweater or jacket.

I've heard San Diego is 70 all the time. That's what they say on the east coast when it's a beautiful 70 degree day and you wish everyday was like that. Also check weather.com for 10 day in advance weather. Have a good time!

Oops - hit the send button before realizing your post said San Diego, not San Francisco! Apologies - it's been a looonng day (I worked) and I'm a bit distracted by gymnastics on TV!

In any case, I'd still recommend layers in case evenings are cool, as well as bathing suit and shorts for warmer days.

I would go with sandals, capris, tshirt type top, plus lightweight sweater or jacket for layering.

I would definitely bring shorts and a bathing suit.

If you're going to be out in a boat on the water, that's different.

It's been perfect weather here the last couple of weeks.

The suggestion to pack something a little warmer if you plan to go out on a boat or stay by the water is a good one. Barring that, dress for warm weather. Unless we're in for a very unusual summer, it'll just get hotter.

I think it’s a good idea to bring along a light weight cotton shirt with sleeves if you’re planning to wear a tank top in the sun for a long time. Especially if you tend to burn. Don’t forget sunscreen and sun glasses. Comfortable shoes if your going to the zoo and Balboa Park. And a cover up for the beach.

BTW, if you’re planning to go to the zoo, it’s open until 9 pm in the summer. If you want to see the big cats they get active in the evening. Get your hand stamped and go have happy hour at the Prado in Balboa Park before going back into the zoo.

Evenings can cool down, but only a light sweater/jacket/or long sleeves is necessary. I was on Shelter Island last night and was comfortable in a sleeveless top and capris. Tonight in La Jolla, it was pleasant. We can get very warm late Aug/early Sept. where it can be 90's+ just 10 miles inland from the coast, perhaps hotter. Aim for comfort! Casual is fine.