The sun's out and this weekend looks to be a scorcher. But with the British weather so temperamental how can you be sure you have picked the best day for a BBQ? We've rounded up our favourite iPhone weather apps.Related StoriesiPad 5 rumours: the 'magical bezel', Apple's lost discount, release dates and moreApple faces legal battle over iWatch trademark in USEE turns on double-speed 4G in 12 UK cities
