Highest temperature in Los Angeles on May 26?

Platform comparison

Active sub-markets

Market context

Los Angeles will experience some form of peak temperature on 26 May 2026, and this market captures which range that reading will fall into when measured at LAX airport station. The settlement hinges on Wunderground's historical data archive, which records daily highs with sufficient granularity to distinguish between narrow temperature bands. Unlike some weather markets that rely on preliminary forecasts, this one resolves only after the day concludes and data is finalised—a structural advantage for traders seeking clarity over speculation.

May temperatures at LAX typically cluster between 68°F and 78°F, with historical records showing the airport rarely breaches 85°F during this month. The current 0% crowd probability across all ranges suggests either extreme illiquidity, a technical listing issue, or genuine uncertainty about which specific band will resolve. Kalshi's binary structure differs materially from Polymarket's multi-outcome format here; Kalshi would require separate YES/NO contracts per range, whereas Polymarket consolidates them into a single order book. Betfair's decimal odds framework and Smarkets' fractional pricing would both display the same underlying probabilities differently, though none currently reflect meaningful trading activity. The absence of any probability mass across ranges is unusual for a deterministic event with historical precedent, indicating traders may be awaiting closer proximity to the settlement date before committing capital.

Traders monitoring this market should track National Weather Service forecasts beginning in early May, as seasonal patterns and any anomalous weather systems would shift expected ranges. Historical LAX data from Wunderground itself provides the baseline: reviewing May 2024 and 2025 highs offers concrete anchors for calibrating position sizes.

Methodology

This page compares Highest temperature in Los Angeles on May 26? specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to Kalshi Alternative UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). Kalshi Alternative UK routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.

FAQ

Is this market available outside the US?

Kalshi Alternative UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi Alternative UK triggers a quick verification flow that finishes in minutes.

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.