Highest temperature in Los Angeles on July 26?

Platform comparison

Market context

The relevant event is the highest temperature recorded at Los Angeles International Airport on 26 July, measured in Fahrenheit and settled from Wunderground’s daily history page for KLAX. For a market like this, the key practical task is not forecasting “Los Angeles weather” in the abstract, but mapping the day’s observed maximum at a single station into one of the listed temperature bands, which is exactly the kind of input a programmatic trader can scrape and classify automatically once the daily high is fixed.

The current crowd-implied 0% YES is hard to square with the live market structure, because the quoted contract lines show the front outcomes clustered around **74–75°F** at 49% and **80–81°F** at 50%, with the remainder spread across smaller buckets.[1] July climatology for Los Angeles County is warm and dry, with average highs around 29°C, roughly 84°F, and rainfall close to zero, which means the market is really about where within the summer band the airport station lands rather than whether it gets hot at all.[2] That makes the distribution narrower than a generic city-wide weather bet and easier to model from a single station’s historical range.

A trader watching this programmatically would focus on the forecast-to-observation gap for LAX, because late morning marine layer behaviour, coastal advection and any weak onshore flow can keep the airport cooler than inland neighbourhoods. The cleanest workflow is to pull the forecast and then reconcile it against the settlement source once the day closes, rather than trading off headline city forecasts alone; hourly forecasts for 26 July already pointed to about 29°C daytime conditions in Los Angeles, which broadly aligns with the warmer contract bins.[3]

Sources: 1 · 2 · 3

Methodology

This page reviews Highest temperature in Los Angeles on July 26? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Review UK, which mirrors 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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Review UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.