Highest temperature in Atlanta on August 1?

Platform comparison

Market context

Atlanta’s early-August heat is the real-world driver here: the highest temperature at Hartsfield-Jackson on 1 August will depend on whether the city gets a typical sticky summer climb into the upper 80s or a capped afternoon under cloud and showers. Long-run climate data suggest 1 August normally reaches about 89.6°F in Atlanta, with a record high of 99°F for that date in the 1930–2024 series, so a 0% implied chance on one outcome looks more like a market mispricing than a signal that the day cannot run hot.[1]

That history matters because Atlanta’s August highs usually sit close to the upper 80s, with the month’s average high around 88°F on climate pages and recent summers still producing 95–100°F peaks when the ridge holds.[14][12] Against that backdrop, traders should read the market as a weather-range bet rather than a binary call: small shifts in afternoon cloud cover, storm coverage, or southerly flow can move the airport reading by several degrees and decide whether the top value lands in the low, mid, or upper 80s.[2][15]

The main catalyst to watch is the forecast path into the day itself, especially National Weather Service guidance, short-range model runs, and any late revisions as convection develops over north Georgia. Polymarket’s own market description notes that revisions to temperatures within the settlement window are counted until the first datapoint for the following date is published, so the final Wunderground observation at KATL, not the midday forecast, will settle the range.[2]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Highest temperature in Atlanta on August 1? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.

FAQ

How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

What resolution source is used for elections?

Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.

How fast do political markets react to news?

High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.

Are political prediction markets legal in my country?

It varies. They sit in legal gray areas in most jurisdictions. Polymarket is geo-blocked from US/UK/EU; some broker frontends have a different geo footprint. Trade only with capital you can afford to lose, and only if you understand the legal status in your jurisdiction.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.