See which way the wind is blowing
Definition 1 of 2
Pro Tip 1/3Decision Timing
Use this phrase to emphasize the importance of timing decisions with care. 
Investors always try to see which way the wind is blowing before buying stocks.
Pro Tip 2/3Cautious Approach
It suggests a careful approach, understanding all factors before acting. 
As a journalist, she had to see which way the wind was blowing before publishing the article.
Pro Tip 3/3Indirect Inquiry
It's used when gathering information indirectly, without asking directly. 
The manager tried to see which way the wind was blowing by observing employees' discussions.