Recent National Weather Service and ensemble model guidance from NOAA shows Chicago’s May 19 high centered in the mid-to-upper 70s, driven by southerly flow advecting a warmer air mass under partly sunny skies and weak high pressure. This setup favors strong diurnal heating with minimal cloud interference, yet small differences in wind speed, boundary-layer moisture, and afternoon mixing can shift the peak by 2–3 °F across runs. Historical mid-May normals near 72 °F provide baseline context, while the tight clustering of trader probabilities around 76–79 °F reflects ongoing model spread ahead of the next forecast update cycle.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoLa temperatura più alta di Chicago il 19 maggio?
80-81°F 28%
78-79°F 19%
76-77°F 16%
84°F or higher 11%
65°F or below
1%
66-67°F
1%
68-69°F
1%
70-71°F
2%
72-73°F
5%
74-75°F
14%
76-77°F
16%
78-79°F
25%
80-81°F
28%
82-83°F
8%
84°F or higher
11%
80-81°F 28%
78-79°F 19%
76-77°F 16%
84°F or higher 11%
65°F or below
1%
66-67°F
1%
68-69°F
1%
70-71°F
2%
72-73°F
5%
74-75°F
14%
76-77°F
16%
78-79°F
25%
80-81°F
28%
82-83°F
8%
84°F or higher
11%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Chicago O'Hare Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
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 to "Yes" until all data for this date has been finalized.
The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Mercato aperto: May 17, 2026, 12:04 AM ET
Fonte di risoluzione
https://www.wunderground.com/history/daily/us/il/chicago/KORDThe resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the Chicago O'Hare Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/us/il/chicago/KORD.
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 to "Yes" until all data for this date has been finalized.
The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Fonte di risoluzione
https://www.wunderground.com/history/daily/us/il/chicago/KORDRecent National Weather Service and ensemble model guidance from NOAA shows Chicago’s May 19 high centered in the mid-to-upper 70s, driven by southerly flow advecting a warmer air mass under partly sunny skies and weak high pressure. This setup favors strong diurnal heating with minimal cloud interference, yet small differences in wind speed, boundary-layer moisture, and afternoon mixing can shift the peak by 2–3 °F across runs. Historical mid-May normals near 72 °F provide baseline context, while the tight clustering of trader probabilities around 76–79 °F reflects ongoing model spread ahead of the next forecast update cycle.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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