Highest temperature in Manila on August 10?

Platform comparison

Market context

Manila’s daytime heat on 10 August is likely to be capped by monsoon rain and thunderstorms rather than pushed into an extreme range, with forecasts clustering around the high 20s to low 30s Celsius and several services showing showers or thunderstorm risk through the day.[2][3][11][12] Weather Underground’s Manila page is already showing rain before local morning, while PAGASA has flagged Metro Manila for occasional rains under the southwest monsoon, which matters more here than the headline “feels like” temperature because the market resolves off the highest temperature in Weather Underground’s Daily Observations table at Ninoy Aquino International Airport Station.[10][12]

For framing, this is a market where the current 0% YES crowd view is not the same thing as a literal impossibility; on Polymarket, Kalshi, Betfair and Smarkets, the same outlook would be expressed differently because some venues quote implied probability, while exchange-style books surface decimal odds and take commission from winnings rather than embedding the full cost in the price. The historical analogue is a humid, rainy August in Manila: long-run climate averages put August highs around the upper 20s to low 30s Celsius, with daily swings often modest and rain a recurring suppressor of the afternoon peak.[1][8][9][16]

The key catalysts are the timing of convection, any weakening or strengthening of the southwest monsoon, and whether thunderstorms clear long enough for the airport station to print a brief higher reading before midday. Traders should watch PAGASA advisories and the Weather Underground station feed, because a single short-lived break in rainfall can move the day’s recorded maximum even if the broader forecast remains wet.[10][11][12] On platform differences, Kalshi-style regulated access typically requires tighter KYC, while Betfair and Smarkets can be more flexible on account opening depending on jurisdiction, but their weather betting is usually less directly tied to a single named airport observation source than this market is.[12]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page compares Highest temperature in Manila on August 10? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Alternative, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.

Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.

FAQ

Polymarket vs Kalshi — which is better?

Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.

What does Polymarket cost vs Kalshi?

Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.

Which platform is accessible globally?

Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.

Are all these platforms regulated?

No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.

Which platform supports Klarna/SOFORT?

Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.