Outside, it may be cold and dreary. But these weekend deals are bright and cheery...

John Varvatos: The fall-winter collection is 40 percent off through Tuesday. Visit the San Francisco store in Union Square or use online code F09PRS.

Martha Davis: Tonight from 6 p.m. to 9 p.m. at Hayes Valley’s Gimme Shoes, meet the local shoe designer and receive 25 percent off her collection while perusing special holiday styles. Can’t make it? Shop online and use code Martha25 for the discount.

Artillery: A one-day sale goes down today at this Mission destination for apparel and footwear. DJ TeaMore will be on the turbtables from 6 to 8 p.m. Everything in the store will be 10 percent off during the sale, but select items will be up to 30 percent off and there’s a special deal on shoes: buy two pairs and the second is 30 percent off.

Goodwill: Attention thrifters, all brand name clothing is going for $2 per piece on Friday and Saturday at San Francisco locations. To top it off, all clothing in the West Portal Goodwill Boutique will be 50 percent off on Sunday.

Thread: We’ve already mentioned 7 reasons to go to Thread this weekend, but we’ll reiterate one today: up to 80 percent off apparel and accessories by local and independent designers.

Heidi Says: Select designer brands are on sale for 20 percent off during the Pacific Heights trio of boutiques’ pre-Thanksgiving sales. Stop by the shoe salon for deals on Guiseppe Zanotti and Missoni, the casual boutique for TBags and Rachel Pally and the original shop for M Missoni and DVF.

Beyond the Alley: A pre-Thanksgiving sale at this Chestnut Street shop means 50 percent off all scarves, hats and gloves today and tomorrow.

GAMA GO: An online-only, 48-hour sale starts today at 11:30 a.m. and runs through Sunday at the same time. In keeping with the theme, all tees, hoodies, bags, wallets and coin purses from the SoMa company will be 48 percent off.