Highest temperature in Taipei on August 10?

Platform comparison

Market context

Taipei’s peak temperature on 10 August is usually set by late-morning heating and whether afternoon convection or showers arrive early enough to cap the day. Forecast pages for today point to a hot, humid setup around the low-to-mid 30s Celsius, with highs clustered near 32–34°C and a meaningful chance of thunderstorms or showers later in the day.[2][4][7][8]

For a programmatic read, the current **0% YES** looks inconsistent with both climatology and the live forecast stack. August in Taipei typically delivers average highs around 32.5–33°C, with record highs above 38°C, so the market’s settlement bands are being priced against a distribution where 33–36°C is plausible rather than extreme.[2][8][14][15] In practical terms, an automated trader would watch the forecast drift in Celsius, not Fahrenheit, and map each new update against the market’s bracket structure and the Weather Underground Daily Observations feed used for resolution.

The main catalysts are short-term forecast revisions, radar trends, and the timing of rainfall around Taiwan’s summer convective pattern. Weather Underground’s resolution method matters here: the Daily Observations table is primary, so a late-afternoon spike in the observed station high can matter even if the summary high-low panel lags or differs. If you are wiring alerts or conditional orders, the useful trigger is any shift in the expected daily maximum before the first next-day datapoint appears, because that is when a correction to the station record is still likely to be reflected in the final settlement source.[12]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Taipei on August 10? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

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

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.