Are these sentences OK?
It's clear through today.
It's sunshine through today.
The injured were treated and later released. (in a crash etc.)
We're going to do everything we want to do.
We're going to do everything we wanted to do
He's not showing up on none of the cameras (a thief etc.)

Question

Are these sentences OK?
It's clear through today.
  It's sunshine through today.
  The injured  were treated and later released. (in a crash etc.)
  We're going to do everything we want to do.
  We're going to do everything we wanted to do
  He's not showing up on none of the cameras  (a thief etc.)

Answer

It's clear today.
  It's sunny today. Or There is a lot of sunshine today. Or The sun is shining today.
  The injured were treated and later released. (in a crash etc.)\
perfect
  We're going to do everything we want to do.
perfect
  We're going to do everything we wanted to do
perfect
  He's not showing up on ANY of the cameras  (a thief etc.)