Highest temperature in Munich on August 18?

Platform comparison

Market context

Munich’s highest temperature on 18 August is set by what the airport station records in Weather Underground’s Daily Observations table, not the headline day high, so the practical task is to monitor the intraday observation feed rather than a forecast tile. With the settlement window ending at 12:00 UTC, the relevant local period is the first part of the day in Munich, when overnight lows, early showers, and any quick late-morning brightening can still move the printed maximum.

The current market pricing at 0% looks detached from the forecast range in circulation, which puts the emphasis on comparables rather than the headline number itself. Nearby public forecasts have differed materially: some point to a cool, showery day in the mid- to high teens Celsius, while others allow a warmer high in the low to mid-20s, showing how sensitive this contract is to cloud breaks and the timing of showers. For a programmatic workflow, the cleanest approach is to poll the Daily Observations table at short intervals, store every new maximum timestamped against CEST/UTC conversion, and alert only when the observed high changes, since the settlement source is the table itself rather than the summary panel.

Traders should watch the overnight and morning precipitation pattern, cloud cover, and wind shift, because those are the immediate dependencies that decide whether Munich Airport reaches a modest early peak before conditions flatten out. If rainfall lingers into the morning, the distribution stays compressed near the lower forecast band; if skies lift sooner, a one-off warmer reading can settle the market quickly.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Review UK, which mirrors the Polymarket order book directly.

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.

UK Frequently Asked Questions

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.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.