The phrase "fickle weather" means that the weather changes frequently and is unpredictable.
Sentences with «fickle weather»
When visiting destinations with fickle weather, like Norway, it's always best to bring layers — even when visiting in the summer months. (ordinarytraveler.com)
No matter how fickle the weather outside, spring was most certainly in bloom — and safely indoors — this past Sat., Apr. 21st with local star students of the CUNY in... (manhattantimesnews.com)
This ensures fickle weather and lush vegetation, including amazing wildflower displays. (wanderlust.co.uk)