São Paulo weather markets: station SBGR

Polymarket weather markets for São Paulo settle on the official reading from SBGR. The settlement day runs midnight to midnight in America/Sao_Paulo, and buckets are one degree Celsius wide.

Settlement source cited in the current market rules (checked 30 September 2026): weather.gov timeseries (SBGR).

What PollyWetter shows for São Paulo

• The official SBGR reading and the running daily extreme so far.
• A calibrated live estimate beside the official figure, never instead of it.
• Implied probability for each bucket from the live order book.
• Our own forecast accuracy for SBGR, so the estimate can be judged.

Before you trade São Paulo

Every other city and the station that settles it is listed on the settlement station table.

Check the market rules for the station, because the settlement station is the market's decision and can change. Remember the day boundary is America/Sao_Paulo: a market titled for one date can still be open while it is the previous day where you are.

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