Strong’s Greek
G2105 — eudia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
εὐδία
eudia — pronounced yoo-dee'-ah
feminine from 2095 and the alternate of 2203 (as the god of the weather); a clear sky, i.e. fine weather:--fair weather. see GREEK for 2095 see GREEK for 2203
1 occurrence in the KJV.
Matthew 16:2
He answered and said unto them, When it is evening, ye say, It will be fair weather: for the sky is red.