You're "under" It If You're Feeling Unwell
This page is the CodyCross answer for the clue below from Space Exploration, Group 917, Puzzle 4 (Caroline Herschel).
Question is: You're "under" It If You're Feeling Unwell
and the answer is: WEATHER
Word Meaning:
WEATHER — The short-term state of the atmosphere at a specific time and place, including the temperature, relative humidity, cloud cover, precipitation, wind, etc.
Definitions from Wiktionary.