Preview at WWDC likely in June, followed by September launch.
No NFC in Next-Generation iPhone
As part of an extensive analysis of likely features for the next iPhone, AnandTech laid out the case for why NFC is unlikely to appear in the device.
Given the primarily metal backside of the new iPhone, it's highly unlikely that NFC is in the cards for this generation. In fact, given the very little space at top and bottom dedicated to those glass RF windows, you can almost entirely rule it out.
Next-generation iPhone front panel with feature incorrectly claimed to be for NFC (boxed in red)
The well-connected Jim Dalrymple has now added his perspective on the matter, sharing a simple "Yep" confirming that AnandTech was correct in its conclusion: There will be no NFC capabilities in the forthcoming iPhone.