Steam’s next listed event is Auto-Battler RPG Fest on November 16–23, followed by the Winter Sale on December 17–January 4.

Valve’s current calendar also lists these 2027 events:

• Seasonal sales: Spring, March 18–25; Summer, June 24–July 8. Autumn dates are not yet announced. • Themed fests: Desktop Companion, January 14–18; Shop Keeper, January 25–February 1; Sheep, February 4–8; Couch Co-Op, February 8–15; Rhythm, March 8–15; Dinos vs. Robots, March 29–April 5; Racing, April 12–19; Witch, April 22–26; Fighting, April 26–May 3; Real-Time Strategy, May 10–17; Mountaineering, May 31–June 3. • Next Fest, a showcase of upcoming-game demos rather than a storewide sale: February 22–March 1 and June 14–21. The February edition runs 10 a.m. PST to 10 a.m. PST, equivalent to 1 p.m. EST on both dates.

Winter’s event page gives 10 a.m. Pacific for its December 17–January 4 dates; the calendar does not specify times for the other dates above. Participating games and discounts vary; the calendar does not establish individual prices.

Sources: Steam’s event calendar, Winter Sale, February Next Fest.