Highest temperature in Los Angeles on August 17?

Platform comparison

Market context

Los Angeles experiences peak summer heat in mid-August, with the 17th falling during the warmest weeks of the year. Historical August temperatures at Los Angeles International Airport typically range between 75°F and 85°F for daily highs, though occasional heat waves push readings into the low 90s. The 0% crowd probability suggests traders are pricing in an expectation that temperatures will fall within a lower range than the market's available options, or that the specific resolution methodology via Weather Underground's Daily Observations table creates uncertainty about which readings will be captured.

August 2025 saw Los Angeles experience several days exceeding 90°F during a heat dome event in early-to-mid month, establishing that such temperatures are plausible during this period. The National Weather Service monitors conditions closely during summer months, and any significant heat event would likely be documented consistently across weather stations. The resolution mechanism's reliance on the Daily Observations table rather than summary high-low figures introduces a technical distinction that could affect outcomes if intraday temperature spikes occur outside standard reporting windows.

Traders should monitor long-range forecasts from the National Weather Service in late July and early August 2026, as these typically become more reliable within two weeks of the target date. El Niño or La Niña conditions, which influence Pacific coast weather patterns, will shape seasonal temperature expectations. Any atmospheric blocking patterns or heat dome developments in the western United States during mid-August would be critical catalysts for reconsidering current probability assessments.

Methodology

Sports-specific comparison page for Highest temperature in Los Angeles on August 17?. 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 or Manifold.

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.

UK Frequently Asked Questions

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.

Can I bet on individual matches?

Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.

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%.