Highest temperature in Seoul on July 2?

Platform comparison

Market context

Seoul is currently bracing for the peak of summer heat and monsoon humidity, with the Korea Meteorological Administration reporting a heatwave feel of 29°C this morning despite mostly cloudy skies[8]. In the last 24 hours, rain has spread across southern Korea from Jeju, yet Seoul and surrounding areas remain locked in hot, humid conditions through the weekend, defying the 0% crowd-implied probability that the temperature will stay low[4]. The underlying reality is that July is one of the hottest months in Korea, marking the start of the Jangma monsoon season where daily highs frequently approach 30°C and humidity pushes the felt temperature over 34°C[2].

Historical patterns and comparable cases frame how to read this current probability. Seoul’s July 2026 forecast shows daily highs ranging from 81°F to 91°F (27°C to 33°C), with an average high of 85°F (29°C)[1]. This aligns with data showing Seoul warms to between 21°C and 28°C in July, while the wettest month of the year sees humidity levels above 80%[2][3]. The 0% YES probability appears inconsistent with these baselines, as similar markets for July 1 saw the 30°C bracket surge to nearly 70% probability just hours before resolution[6].

Traders should monitor the immediate short-range forecast updates from the Korea Meteorological Administration, which currently indicate a 20% precipitation probability with light southern winds[8]. Watch for any sudden shifts in the monsoon front; while heavy rain is concentrated in central inland cities like Seoul, the rain clears periodically to reveal bright, sunny days that create a steamy, rising-temperature effect[2]. The primary dependency is the timing of the rain clearing, as lingering moisture combined with sun exposure can rapidly elevate temperatures beyond the 28°C average[2]. No major festival announcements are scheduled for July 2, but the Sinchon Water Gun Festival in late July remains a future weather-dependent event[2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Highest temperature in Seoul on July 2? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors the Polymarket order book at 0% fees.

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 Prediction Today. 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 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.