GTA: How does the weather work?

1 min read
24 November 2023

Every in-game hour, the next weather type is picked from a table. The table is 40 (or maybe 34, can't quite remember) entries long. If it is raining now, it will be raining again in 40 in-game hours.

The visual effects for the weather type will transition over the hour.

For instance:

At 2:00 it would be 100% sunny.

At 2:15 it would be 75% sunny and 25% overcast

At 2:30 it would be 50/50

etc

The table frequently has the same weather type for several hours so the weather isn't always in-flux.

There are script commands to override the weather type. This allows the level designers to force the weather type for a particular mission or cut-scene.

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May I 63
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