Trader consensus clusters around 21–25°C for Buenos Aires' March 23 high, with 23°C leading at 27.5%, driven by ensemble forecast models like GFS and ECMWF averaging 23–24°C amid lingering summer warmth tempered by Atlantic sea breezes and variable cloud cover from a weak frontal system. Recent SMN updates show a slight cooling trend from prior 25–27°C projections, reflecting improved short-range guidance resolving initial model spread, while historical March 23 averages near 26°C add tail risk to hotter outcomes. Key differentiator: Diurnal instability and urban heat island effects could push exact peaks up or down by 1–2°C, with final 00Z model runs pivotal before resolution via official airport observations.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Buenos Aires on March 23?
Highest temperature in Buenos Aires on March 23?
23°C 28%
24°C 20%
21°C 20%
29°C or higher 17%
19°C or below
14%
20°C
2%
21°C
20%
22°C
12%
23°C
28%
24°C
26%
25°C
22%
26°C
16%
27°C
6%
28°C
5%
29°C or higher
17%
23°C 28%
24°C 20%
21°C 20%
29°C or higher 17%
19°C or below
14%
20°C
2%
21°C
20%
22°C
12%
23°C
28%
24°C
26%
25°C
22%
26°C
16%
27°C
6%
28°C
5%
29°C or higher
17%
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 Minister Pistarini Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/ar/ezeiza/SAEZ.
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.
Market Opened: Mar 19, 2026, 6:01 AM ET
Resolution Source
https://www.wunderground.com/history/daily/ar/ezeiza/SAEZResolver
0x69c47De9D...Resolution Source
https://www.wunderground.com/history/daily/ar/ezeiza/SAEZResolver
0x69c47De9D...Trader consensus clusters around 21–25°C for Buenos Aires' March 23 high, with 23°C leading at 27.5%, driven by ensemble forecast models like GFS and ECMWF averaging 23–24°C amid lingering summer warmth tempered by Atlantic sea breezes and variable cloud cover from a weak frontal system. Recent SMN updates show a slight cooling trend from prior 25–27°C projections, reflecting improved short-range guidance resolving initial model spread, while historical March 23 averages near 26°C add tail risk to hotter outcomes. Key differentiator: Diurnal instability and urban heat island effects could push exact peaks up or down by 1–2°C, with final 00Z model runs pivotal before resolution via official airport observations.
Experimental AI-generated summary referencing Polymarket data · Updated
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