Highest temperature in Los Angeles on July 9?

Platform comparison

Market context

The real-world event is the daily high temperature recorded at Los Angeles International Airport on 9 July 2026, which will determine the settlement of a weather prediction market. Current crowd-implied probability for the lowest range sits at 0%, reflecting a near-certainty that temperatures will exceed 67°F.

Historical patterns and comparable forecasts strongly support this low probability for the bottom range. AccuWeather’s July 2026 forecast for Los Angeles indicates daily highs between 79°F and 90°F, with an average high of 85°F[3]. Recent heatwave activity on 8 July saw inland temperatures spike significantly, reinforcing the expectation of scorching conditions[5]. Market data from Polymarket and Lines.com similarly assigns the highest probability to ranges between 74°F and 77°F, with 74–75°F leading at 56% on one platform and 76–77°F at 43% on another[1][6]. These figures align with the 0% probability for the lowest range, as the climate consistently delivers far warmer readings in early July.

Traders should monitor official heat alerts, scheduled weather declarations, and any campaign-finance disclosures that might influence regional infrastructure spending on cooling centres. Officials routinely issue alerts via phone, TV, and radio during extreme heat, advising residents to avoid outdoor work and stay hydrated[5]. While no specific political debate is scheduled for 9 July, the market leans heavily on the prevailing heatwave catalyst rather than political events. Recent news from weather authorities confirms that cooling centres are being activated and free bus rides provided, underscoring the severity of the current thermal conditions[5]. The primary driver remains the meteorological trend, not political manoeuvring.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Highest temperature in Los Angeles on July 9? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

How accurate are political prediction markets?

Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.

What resolution source is used for elections?

Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.

Which platform has the deepest political liquidity?

Polymarket — by far. US 2024 presidential volume was ~$3.5B vs Kalshi (~$200M) and Betfair (~$120M). Where Polymarket is geo-blocked, brokers like Trump Prediction route into the same order book at 0% fees.

How fast do political markets react to news?

High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.

Why do Polymarket and Kalshi differ on elections?

Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.