Wet or showery (5)
I believe the answer is:
rainy
This clue is a double definition.
'wet' is the first definition.
(similar in meaning)
'showery' is the second definition.
(synonyms)
(Other definitions for rainy that I've seen before include "Save your money for this damp day" , "(Of weather) wet" , "Save your money for a . . . . . day - to buy an umbrella?" , "Wet, showery" , "Pluvial" .)