Days marked “Forecast” show a predicted crowd level. Predictions are a guide only, so use your own judgement and contact us if anything seems off. Always check the official opening hours before you visit.

Very quiet 0–24% Quieter than over three quarters of days here

Quiet 25–49% Quieter than over half of days here

Busy 50–74% Busier than at least half of days here

Very busy 75–100% Busier than at least three quarters of days here

The percentage ranks each day against all of this park's days, so 60% means busier than 60% of them.

Opening hours
Public holiday
Rainy day
Light rain
Cold day
Hot day
Sunny day
Partly cloudy day
Cloudy day
Oktoberfest
Tricks and Treats

Public holidays in September 2026

Date	Holiday
September 07, 2026	Labor Day

When is the best time to visit Six Flags Discovery Kingdom?

Quietest day: Thursday (38%, compared with 64% on Saturday). On average, weekdays are 15 percentage points quieter than weekends.
If you can only go at the weekend: Sunday is usually quieter (49% compared with 64% on Saturday).
Quietest month: January (27%). The busiest month is May (65%).

These notes are based on crowd levels from 1,396 open days since 2018. To get the most out of your day we recommend arriving early and leaving late. Make sure to check the live queue times on our site throughout the day to stay ahead of the crowds.