2 But he answered, and said to them: When it is evening ye say, It will be fair weather; for the heavens are red.
Matthew 16:2 Cross References - Murdock
Luke 12:54-56
54 And he said to the multitudes: When you see a cloud rising out of the west, ye at once say: Rain is coming; and it is so.
55 And when a south wind bloweth, ye say: It will be hot: and it is so.
56 Ye hypocrites, ye know how to distinguish the aspect of the heavens and the earth; and why can ye not distinguish the present time?