Matthew 16:2

“He answered and said unto them, etc.] Knowing full well their views, and having wrought sufficient miracles to confirm his Messiahship, he thought fit to give them no other answer than this: when it is evening, ye say, it will be fair weather, for the sky is red; when the sun is setting, it is a common thing for you to say, looking up to the heavens, and observing the face and colour of them, that it is like to be fair weather; no rain, that night, nor perhaps the next day, for the sky is red like fire, through the rays of the sun; which show the clouds to be very thin, and so will soon waste away, and consequently fine weather must follow.”

“See also Mark 8:11-12. The Pharisees also, and the Sadducees - See the notes at Matthew 3:7. Tempting - That is, trying him - feigning a desire to see evidence that he was the Messiah, but with a real desire to see him make the attempt to work a miracle and fail, so that they might betray him and ruin him. A sign from heaven - Some miraculous appearance in the sky. Such appearances had been given by the prophets; and they supposed, if he was the Messiah, that his miracles would not all be confined to the earth, but that he was able to give some signal miracle from heaven. Samuel had caused it to thunder 1 Samuel 12:16-18; Isaiah had caused the shadow to go back ten degrees on the dial of…”

“Luk 12:54. Matthew 16:3”

“16:2-3 Jesus made a deliberate play on their words when they sought a “sign from heaven” (16:1). They were able to read the weather in the sky (Greek ouranos, the same word translated “heaven”), but they failed to discern the Messiah despite the many signs already given (see 11:1-6).”

“When: Luk 12:54-56 Matthew 16:3”