Recent ensemble forecasts from the European Centre for Medium-Range Weather Forecasts (ECMWF) and Spain's AEMET agency drive the tight clustering of trader odds around 18–20°C for Madrid's March 23 high, with 19°C leading at 26% implied probability due to a dominant high-pressure ridge ushering mild southerly flows and ample sunshine. Historical late-March norms hover near 17°C, but current model consensus—refined by today's 12Z runs—projects peaks of 18.5–19.5°C amid low precipitation risk, differentiating lower outcomes like 17°C (18.5%) via potential afternoon cloudiness from a weak frontal boundary. Traders eye tomorrow's operational updates, as small shifts in boundary layer mixing could swing the max temp by 1–2°C.
Resumen experimental generado por IA con datos de Polymarket · ActualizadoHighest temperature in Madrid on March 23?
Highest temperature in Madrid on March 23?
17°C 28%
19°C 26%
18°C 24%
20°C 21%
14°C or below
2%
15°C
8%
16°C
13%
17°C
19%
18°C
24%
19°C
26%
20°C
21%
21°C
16%
22°C
12%
23°C
8%
24°C or higher
7%
17°C 28%
19°C 26%
18°C 24%
20°C 21%
14°C or below
2%
15°C
8%
16°C
13%
17°C
19%
18°C
24%
19°C
26%
20°C
21%
21°C
16%
22°C
12%
23°C
8%
24°C or higher
7%
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 Adolfo Suárez Madrid-Barajas Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/es/madrid/LEMD.
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 Celsius (eg, 9°C). 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.
Mercado abierto: Mar 19, 2026, 6:11 AM ET
Resolution Source
https://www.wunderground.com/history/daily/es/madrid/LEMDResolver
0x69c47De9D...Resolution Source
https://www.wunderground.com/history/daily/es/madrid/LEMDResolver
0x69c47De9D...Recent ensemble forecasts from the European Centre for Medium-Range Weather Forecasts (ECMWF) and Spain's AEMET agency drive the tight clustering of trader odds around 18–20°C for Madrid's March 23 high, with 19°C leading at 26% implied probability due to a dominant high-pressure ridge ushering mild southerly flows and ample sunshine. Historical late-March norms hover near 17°C, but current model consensus—refined by today's 12Z runs—projects peaks of 18.5–19.5°C amid low precipitation risk, differentiating lower outcomes like 17°C (18.5%) via potential afternoon cloudiness from a weak frontal boundary. Traders eye tomorrow's operational updates, as small shifts in boundary layer mixing could swing the max temp by 1–2°C.
Resumen experimental generado por IA con datos de Polymarket · Actualizado
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