Highest temperature in Los Angeles on August 14?

Platform comparison

Market context

Los Angeles International Airport was running well below the normal mid-August heat profile on 14 August, with the forecast and live observations pointing to a modest afternoon high rather than a heat spike. Weather Underground’s daily observations already showed 78°F by 12:53 pm, while the site’s forecast page had the day at 83°F/64°F, implying the final peak was likely to land in the upper 70s to low 80s rather than far outside the main bins.

That leaves the 0% Yes pricing looking like a stale or unresolved read rather than a statement of high conviction. The market resolves from the Daily Observations table at LAX, so the key number is the highest observed temperature there before the settlement window closes, not the summary “Day High & Low” figure. August climatology for LAX is usually anchored by a normal maximum near 77°F, and the day’s observed values fit that pattern closely, which keeps the sensible resolution ranges concentrated around 76–79°F or 80–83°F.

For traders, the only real catalysts are the final observation prints from the station and any late-day weather shift affecting coastal marine layer depth, onshore flow, or inland warming. NWS Los Angeles on 14 August described temperatures broadly cooler than normal across the region, which supports a capped upside. In prediction-market terms, this is a straightforward USDC-settled weather contract with no BTC or ETH macro sensitivity unless broader crypto liquidity conditions affect positioning around the market itself.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reads Highest temperature in Los Angeles on August 14? on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

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