Friday: Canary Wharf Jazz Festival starts tonight at 7pm in Canada Square Park and goes on all weekend, free admission Let's hope it stays dry.
It's also Renaissance Night at the National Gallery this evening, from 5.30-9pm with live music, bar, tours and events and free entry.
Saturday: Watch the 10km Marathon Swimming Olympic test event in Hyde Park. Find your spot by the Serpentine for a day of amazing swimming, women's race at 10am, men's race at 2pm - free.
Lea Valley White Water Centre opens its doors for a free activity day between 11am-5pm. Take the kids and try climbing, Parkour, welly wanging, cycling and canoeing.
Comedian Mark Steel opens Crystal Palace Overground Festival at 11.45am in Westow Park followed by an afternoon of fun.
Shepherds Bush Festival brings the community out onto the green in W12 with lots of food, live music and DJs all day, craft stalls and activity workshops from 1-7pm.
Sunday: The London-Surrey Cycle Classic is another Olympic test event, this time out on the roads. It's a 140km route that starts and finishes on the Mall, whizzing through Fulham, Putney, Richmond, Hampton Court - out to Surrey - and back via Kingston and is free to watch.
Live and Unamplified at the Book Club is a free entry acoustic night from 7.30pm.
Tuesday: Get down to the Camden Fringe and see a stand-up show for just £5 with Mark Restuccia: Kiss Yourself at 9.30pm. Includes puppet and mild breakdown.
Wednesday: It's dance week at the free Watch This Space festival outside the National Theatre. Urban outfit Avant Garde Dance do Taxi! at 11.15am and 6.30pm. dANTE or dIE do La Fille à la Mode at 2pm, 3,30 and 5pm.
NB Elephant and Nun finale events have been postponed on advice of police. It is hoped they'll be rescheduled for 17-18 September.