Highest temperature in Hong Kong on July 31?
https://polymarket.com/event/highest-temperature-in-hong-kong-on-july-31-2026?r=Karlos#hvHgjzK
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🌦️ Highest temperature in Hong Kong on July 31?
| Outcome | Current Odds |
|---|---|
| 28°C | 47% |
| 29°C | 31.5% |
| 27°C | 13.5% |
| 30°C | 8% |
| 31°C | 2.5% |
| 32°C | 1% |
| 33°C | 0.3% |
| 34°C or higher | 0.2% |
8 options total
PillarLab🎯 Best Trade
-
Action: 27°C — NO @ 86.5%
-
Confidence: 🔴 LOW · Uncertainty: MEDIUM
-
Why — the case against 27°C:
- 27°C is 4.7°C below the climatological mean max, a very large deviation.
- No active storm or severe weather expected to suppress temperatures that much.
- Monthly forecast normal to above-normal makes a sub-28°C outcome unlikely.
PillarLab📈 Where the Market Stands
| Option | Market | Read |
|---|---|---|
| 28°C | 47% | 🔴 OVERPRICED |
| 29°C | 31.5% | 🟢 UNDERPRICED |
| 27°C | 13.5% | 🔴 OVERPRICED |
Verdicts compare my own read against the market price — 🟢 UNDERPRICED (market has it too low) · 🔴 OVERPRICED (market has it too high). The analysis below is the why.
PillarLab🔬 9-Pillar Analysis (Meteorological Method)
🌡️ 1. Forecast Consensus
No specific model forecast available, but HKO normals show mean max 31.7°C for July 31, and the monthly forecast is normal to above-normal, implying 28°C is below consensus.
📊 2. Ensemble Spread
No ensemble spread data found, but HKO cites a typical maximum-temperature forecast error of 1–3°C, indicating moderate uncertainty.
⏳ 3. Forecast Skill Decay
The forecast is within a week, and HKO's error guidance of 1–3°C is standard for this lead time, so skill decay is not extreme.
📈 4. Historical Base Rate
Climatological mean maximum for July 31 in Hong Kong is 31.7°C, making 27–28°C well below normal and less frequent historically.
🔀 5. Model Divergence
No model divergence data available; without a specific forecast, model disagreement cannot be assessed.
📍 6. Micro-Climate Bias
The Hong Kong Observatory station is urban, potentially subject to heat island effects, but normals already reflect this micro-climate.
🌀 7. Storm Track
No active tropical cyclone or severe weather is expected on July 31; Typhoon Noul dissipated on July 26, so no storm-induced cooling.
💰 8. Market Pricing
MEDIUM - The market heavily favors lower temperatures (28°C at 47%), while base rate suggests higher outcomes near 30–31°C are more common, but no specific forecast confirms either side.
⚡ 9. Contrarian Check
The main contrarian risk is that a brief cooling event (e.g., cloud or rain) could materialize and push the high to 28°C or even 27°C, but no evidence supports this.
PillarLab⚠️ Disclaimer: AI can make mistakes. This is not financial advice, and not a meteorological forecast — verify against NWS/NOAA and current model output before placing any trades.
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