εὐδία G2105
eudía · yoo-dee'-ah · Noun Feminine
feminine from εὖ and the alternate of Ζεύς (as the god of the weather); a clear sky, i.e. fine weather:--fair weather.
1 Occurrence in the King James Bible
Matthew 16:2He answered and said unto them, When it is evening, ye say, It will be fair weather: for the sky is red.