Highest temperature in Tokyo on July 7?

Platform comparison

Market context

The real-world event determining this market is the peak daytime temperature recorded at Tokyo Haneda Airport on 7 July 2026, a date falling within Japan’s lingering rainy season when cloud cover often suppresses heat. While the current crowd-implied probability for a “YES” outcome sits at 0%, historical precedents in similar weather prediction markets suggest this figure may be premature; for instance, Polymarket currently assigns a 50% chance to 26°C and 30% to 25°C, indicating traders expect moderate highs rather than extreme heat [1]. Comparable cases like Eurovision’s 50/50 jury-and-televote split or the Oscars’ preferential ballot for Best Picture demonstrate how public sentiment can diverge sharply from expert consensus, often correcting only as new data emerges [2].

Traders should monitor announcements regarding the Tsuyu frontal activity or any stalled low-pressure systems, which could keep Tokyo’s maximum temperature below 27°C and push outcomes toward the 25°C range [9]. The Mitama Matsuri festival in Tokyo, running from 13 to 16 July with over 30,000 lanterns at Yasukuni Shrine, may also influence local weather patterns through increased humidity [2]. Recent forecasts from the Japan Meteorological Agency predict cloudy conditions with frequent scattered showers for 7 July, reinforcing the likelihood of suppressed temperatures [7]. As July is part of the rainy season, average precipitation in Tokyo reaches approximately 156mm, further supporting the expectation of milder highs [3].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Entertainment-specific comparison page for Highest temperature in Tokyo on July 7?. Polymarket's live quote (Polygon order book) shows the award probability. For awards markets, Polymarket usually has the deepest liquidity; Betfair runs comparable markets for Oscars/Emmys; Manifold for Eurovision.

Resolution & payout

Entertainment markets settle on official award ceremony or show end. Polymarket uses UMA Optimistic Oracle with a source URL to the official award website. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

How accurate are award predictions?

Variable. Industry-predictable awards (Oscar Best Picture) have high market accuracy (Brier ~0.15). Reality-TV outcomes with small markets carry more noise. Eurovision is notorious for market upsets due to bloc voting.

What was the top Oscar 2025 market?

Best Picture, with ~$2.8M volume on Polymarket. "Anora" started as an underdog at ~8% and closed at ~62% before the ceremony — the biggest single Oscar market swing since 2019.

Who can trade Eurovision markets?

Polymarket is globally accessible but geo-blocked in select jurisdictions — traders there use broker frontends with a different geo footprint to reach the order book. Eurovision markets have strong European liquidity; German/Austrian/Swiss flow often drives consensus.

Are there politics-entertainment crossover markets?

Yes — e.g. "Will X be parodied on SNL?", "Who will host the next Oscars?". These have thinner liquidity but offer alpha for traders who read pop-culture and political worlds together.

Is entertainment trading worth the effort?

Niche, but lucrative for experts. Award markets have fewer informed traders than political markets; combining industry expertise (film, music) with active research often surfaces mispricings. Volume cap: large bets move the market.