Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via توقعات كورة) Pick polygram.ink (preferred broker) |
42% | 58% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
42% | 58% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 30°C | 42% |
| 31°C | 38% |
| 29°C | 12% |
| 32°C | 5% |
| 33°C | 1% |
| 25°C or below | 0% |
| 26°C | 0% |
| 27°C | 0% |
| 28°C | 0% |
| 34°C | 0% |
| 35°C or higher | 0% |
Market context
London’s 3 August temperature market is effectively a call on whether the capital reaches the low 30s Celsius at London City Airport before the settlement cut-off. The crowd has already priced a very high likelihood of a top-end summer reading, but the market is concentrated around 30–31°C rather than anything materially hotter, which makes the exact midday-to-afternoon peak more important than the morning start. Polymarket’s own market page currently shows 30°C as the leading outcome at 40%, with 31°C next at 31%, while the latest Met Office-linked commentary points to a forecast maximum of 31–32°C under sunny conditions and limited upside beyond that[1].
Historically, London’s August highs are often respectable rather than extreme, which matters because the resolution is tied to the single highest reading at London City Airport, not a city-wide average. August climatology in London is much lower than today’s consensus level, so a 30°C-plus outcome already sits well above normal seasonal conditions, and a 33°C print would require a noticeably stronger warm-up than the current forecast spread suggests[9][10]. Recent summer reporting also shows how quickly London can spike when synoptic conditions align: Kew Gardens reached 26.6°C earlier in 2026, which was then the warmest day of the year, but later UK-wide heat saw much higher readings in the south-east, underlining that the ceiling is weather-pattern driven rather than fixed by seasonality[4][14][15].
The key catalysts are the final Met Office updates, the timing of any afternoon sun or cloud cover, and whether inland heat develops enough to push the airport above the rest of London. Traders should watch for changes to the forecast high and to any temperature revisions at London City Airport, because the market only settles on the recorded peak and revisions are only relevant until the first datapoint for the following day is published[1]. A modest forecast shift of 1°C matters here: if the day holds near 31°C, the 30–31°C band remains the most likely settlement zone, but a stronger-than-expected warm sector or less cloud than forecast would be the main route to an upset[1].
Methodology
Football-specific comparison page for توقع: Highest temperature in London on August 3?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
Trade توقع: Highest temperature in London on August 3? on توقعات كورة
Live order book, 0% fees, USDC settlement in seconds.
Open live market →