freakish

changeable

• “a capricious summer breeze”
• “freakish weather”

characteristic of a freak

• “a freakish extra toe”

conspicuously or grossly unconventional or unusual

• “restaurants of bizarre design--one like a hat, another like a rabbit”
• “famed for his eccentric spelling”
• “a freakish combination of styles”
• “his off-the-wall antics”
• “the outlandish clothes of teenagers”
• “outre and affected stage antics”