Highest temperature in Kuala Lumpur on July 30?

Platform comparison

Market context

Kuala Lumpur International Airport’s highest temperature on 30 July will be read off the Wunderground station page, so the practical question is whether the day’s peak lands inside a low or high Celsius band before the settlement cut-off at 12:00 UTC. With the current crowd pricing at 0% YES, the market is implying that the outcome is either viewed as already inaccessible or not yet credibly measurable by participants, which is unusual for a daily weather range contract and makes the exact station timestamp logic more important than the citywide headline forecast.

Comparable July guidance for Kuala Lumpur points to daytime highs around 32–33°C, with some services showing peaks up to 33–34°C and short-lived rain or thunderstorms rather than a strong cooling regime.[1][5][10][16] That matters because a programmatic trader would normally model this kind of market by pulling the station’s observed high, checking the local calendar day against the UTC settlement window, and then mapping the result into the contract’s temperature interval rather than relying on generic city forecasts. In other words, the edge is in the data pipeline: station identifier, time zone handling, and the day’s final maximum.

For catalysts, the main variables are whether afternoon convective rain arrives early enough to cap the maximum, and whether forecast updates continue to hold the high in the low-30s Celsius band through the trading day.[2][5][12] The Malaysian Meteorological Department’s district forecast for Kuala Lumpur has recently pointed to isolated thunderstorms with a maximum near 34°C, while third-party forecast desks have shown mixed rain chances and highs in the low 30s, so any update that shifts precipitation timing or cloud cover could move the expected peak temperature materially before settlement.[15][10][12]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Kuala Lumpur on July 30? 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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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 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.