Highest temperature in Munich on June 29?

Platform comparison

Market context

The underlying event is the peak daytime temperature recorded at Munich Airport on 29 June 2026, a metric that will determine the settlement of a weather prediction contract. While one platform shows a 0% implied probability for the "YES" outcome, Polymarket data indicates a 28% chance the temperature hits 30°C, with 29°C as the next most likely outcome at 26%[1]. This stark divergence between the zero-implied line and the 28% probability suggests a significant mispricing or a misunderstanding of the contract terms across platforms, as the crowd clearly anticipates a hot day rather than a cold one.

Historical context frames this probability against a backdrop of extreme heat, as Germany recently recorded a new national high of 41.5°C during a record-breaking heatwave sweeping Western Europe[3]. June averages at Munich International Airport typically see daily highs between 68°F and 72°F, rarely exceeding 83°F, yet recent years have shown spikes up to 90°F, with the 2023 average high reaching 73.1°F[5][6]. The current market odds appear to ignore the accelerating trend of climate-driven temperature extremes, which scientists note have made such night-time temperatures 100 times more likely than two decades ago[3].

Traders should monitor the real-time updates from the national weather service (DWD) and Wunderground, which serve as the official resolution sources for this contract[1]. The ongoing eastward movement of the heatwave into Germany and Poland remains the primary catalyst, with provisional data already confirming temperatures topping 40°C in the region[3]. Any official announcements regarding the peak of this heat event or shifts in atmospheric pressure will directly influence the final temperature reading, making the DWD provisional data a critical dependency for accurate odds assessment[3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Highest temperature in Munich on June 29? 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

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.

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 Best Prediction Markets 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 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.

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.