Highest temperature in Atlanta on May 22?

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Market context

Atlanta has spent the last day looking set to stay below the hottest May outcomes. The National Weather Service forecast for 22 May points to a high in the low-to-mid 80s Fahrenheit, with mostly cloudy skies and scattered afternoon showers, while market pricing has already settled on the 86–87°F bracket and gives the higher bands no meaningful chance. With the settlement window closing at noon UTC, the key question is whether the airport station can squeeze out enough warming before the day’s peak is fixed.

The historical picture also points towards a moderate outcome rather than an extreme one. Atlanta’s average May high is about 82–83°F, and the monthly distribution usually sits in the upper 70s to mid 80s, with 90°F-plus readings uncommon for late May. The city has produced much hotter May days in the past, including a 94°F record for the month, but those are outliers rather than a baseline. On that framing, a result in the low-to-mid 80s would be far more typical than a run into the upper 80s, which helps explain why the market is not leaning towards the top bands.

Traders will be watching the latest airport observations and any short-term forecast updates from the National Weather Service through the remainder of the morning in Atlanta. The main dependencies are cloud cover, shower timing and whether any brief sunshine allows temperatures to tick up before the settlement cut-off. Because the market resolves on the Hartsfield-Jackson airport reading as reported by Wunderground, a late-morning revision or an early spike in local observations would matter more than the broader city forecast.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Atlanta on May 22? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.