January Jones, 48, Stuns in Timeless Bikini as Summer Ends

WHO:

NY Post - January Jones, 48, actress known for her role in "Mad Men"

US Magazine - January Jones, 48, actress and social media personality

WHAT:

NY Post - January Jones showcased a classic black-and-white bikini in an end-of-summer photo.

US Magazine - January Jones posted a picture on Instagram displaying her bikini body, wearing a green-and-peach bikini top with thin straps and green cups, underneath a sheer cover-up with lace embellishments and delicate buttons.

WHEN:

US Magazine - January Jones posted the bikini photo on Wednesday, September 16.

WHY:

NY Post - January Jones expressed that it is not yet time for sweaters, indicating her enjoyment of summer.

HOW:

US Magazine - January Jones utilized Instagram to share her bikini photo with her followers.

(UPDATED September 18, 2026 04:00 UTC)

Actress January Jones, known for her role in "Mad Men," recently shared a stunning bikini photo on Instagram, showcasing her bikini body in a green-and-peach bikini top paired with a sheer cover-up. In her post, she expressed that it's not yet time for sweaters, highlighting her enjoyment of the summer season. The photo was shared on Wednesday, September 16, as she celebrated the end of summer with a classic black-and-white bikini look.