The weather is changeable.

Meaning

The weather is unpredictable and changes frequently.

Examples

• John: I'm not sure what to wear today.
• Alice: It's hard to say! <b>The weather is changeable</b>.
• John: Yes, I wish it would make up its mind! <b>The weather is changeable</b>, so frustrating.
• Alice: Let's check the forecast again later.