This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 29 Jun '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the London City Airport Station, available here: https://www.wunderground.com/history/daily/gb/london/EGLC. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve until the first data point for the following date has been published on the resolution source. The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Key risk: revisions to historical temperature data post-resolution
AI updated 6/27/2026, 11:30:19 AM
| Provider | Score | Accuracy | On this market |
|---|---|---|---|
| fincept | 1 | — | Active |
| mistral | — | — | Active |
| oryn_db | — | — | Active |
| polymarket | — | — | Active |
| news | 1 | — | Global only |
| social | 1 | — | Global only |
| economic_calendar | 1 | — | Global only |
| trends | 1 | — | Global only |
| google_trends | 1 | — | Global only |
This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 29 Jun '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the London City Airport Station, available here: https://www.wunderground.com/history/daily/gb/london/EGLC. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve until the first data point for the following date has been published on the resolution source. The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Crowd Consensus
4%
ORYN Consensus
4%
Signal Score
-0.1
Opportunity
0.0
ORYN is polling its model network — Claude, GPT, Gemini and more — for this market. The consensus and per-model dissent will appear here.
Regime: — · Confidence: 0%
The market assigns a 4.40% probability that London City Airport's highest temperature on June 29, 2026, will reach 27°C. Historical climatological data suggests this is an unlikely outcome given London's typical June temperatures.
A sustained high-pressure system over the UK could drive temperatures above the seasonal average. Unusual atmospheric conditions, such as a Saharan air intrusion or prolonged sunshine, may push readings toward 27°C. Late-season heatwaves in June are historically rare but not unprecedented.
London's June climate is typically mild, with average highs around 20-22°C. Persistent cloud cover, maritime influence, or unseasonably cool air masses would likely suppress temperatures below 27°C. Climate trends suggest no significant warming spike is expected for this date.
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Will the highest temperature in London be 27°C on June 29? is tracked on ORYN with data sourced from polymarket. Current market-implied probability is 4.5% while ORYN AI estimates 4.4%.
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