**Forecast models from Argentine meteorological sources and international numerical weather prediction systems indicate a modest daily maximum near 12–13°C for Buenos Aires on August 18, driven by persistent cloud cover, light southerly flow, and limited solar insolation typical of Southern Hemisphere winter.** Recent observations show highs of 15–18°C earlier in the week giving way to cooler conditions, with model consensus pointing to suppressed afternoon warming under overcast skies and possible light precipitation. The tight clustering of market-implied probabilities around 13–14°C reflects trader assessment of forecast spread—small differences in boundary-layer mixing, timing of any clearing, or sea-breeze effects can shift the peak by 1–2°C—while historical August averages near 15–17°C provide context for the current cooler anomaly. New model runs and official updates from the Servicio Meteorológico Nacional remain the key near-term catalysts for any repricing.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Buenos Aires on August 18?
14°C 40%
13°C 33%
15°C 14%
12°C 11%
8°C or below
<1%
9°C
1%
10°C
1%
11°C
5%
12°C
11%
13°C
33%
14°C
40%
15°C
14%
16°C
3%
17°C
1%
18°C or higher
1%
14°C 40%
13°C 33%
15°C 14%
12°C 11%
8°C or below
<1%
9°C
1%
10°C
1%
11°C
5%
12°C
11%
13°C
33%
14°C
40%
15°C
14%
16°C
3%
17°C
1%
18°C or higher
1%
This market will resolve to the temperature range that contains the highest temperature recorded at the Minister Pistarini Intl Airport Station in degrees Celsius on 18 Aug '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 Minister Pistarini Intl Airport Station, 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 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.
Market Opened: Aug 16, 2026, 9:55 PM ET
Resolution Source
https://www.wunderground.com/history/daily/ar/ezeiza/SAEZResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Minister Pistarini Intl Airport Station in degrees Celsius on 18 Aug '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 Minister Pistarini Intl Airport Station, 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 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.
Resolution Source
https://www.wunderground.com/history/daily/ar/ezeiza/SAEZResolver
0x69c47De9D...**Forecast models from Argentine meteorological sources and international numerical weather prediction systems indicate a modest daily maximum near 12–13°C for Buenos Aires on August 18, driven by persistent cloud cover, light southerly flow, and limited solar insolation typical of Southern Hemisphere winter.** Recent observations show highs of 15–18°C earlier in the week giving way to cooler conditions, with model consensus pointing to suppressed afternoon warming under overcast skies and possible light precipitation. The tight clustering of market-implied probabilities around 13–14°C reflects trader assessment of forecast spread—small differences in boundary-layer mixing, timing of any clearing, or sea-breeze effects can shift the peak by 1–2°C—while historical August averages near 15–17°C provide context for the current cooler anomaly. New model runs and official updates from the Servicio Meteorológico Nacional remain the key near-term catalysts for any repricing.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated


Beware of external links.
Beware of external links.
Frequently Asked Questions