Current short-term forecast models for Cape Town point to a maximum temperature near 18–21 °C on August 4, reflecting typical Southern Hemisphere winter conditions under the moderating influence of the cold Benguela Current and Atlantic air masses. Light northerly winds and limited cloud cover could enhance daytime heating through greater solar insolation, while any strengthening onshore flow or increased marine layer would suppress the high by several degrees. Ensemble guidance shows tight clustering around these values, with small differences in model resolution of frontal positioning and boundary-layer mixing creating the narrow spread among the leading market outcomes. Updated runs from agencies such as the South African Weather Service will refine these variables ahead of resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Cape Town on August 4?
21°C 25%
22°C 20%
20°C 19%
19°C 18%
18°C or below
14%
19°C
18%
20°C
19%
21°C
25%
22°C
20%
23°C
5%
24°C
3%
25°C
5%
26°C
1%
27°C
1%
28°C or higher
1%
21°C 25%
22°C 20%
20°C 19%
19°C 18%
18°C or below
14%
19°C
18%
20°C
19%
21°C
25%
22°C
20%
23°C
5%
24°C
3%
25°C
5%
26°C
1%
27°C
1%
28°C or higher
1%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Cape Town International Airport Station, available here: https://www.wunderground.com/history/daily/za/matroosfontein/FACT.
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 2, 2026, 1:04 AM ET
Resolution Source
https://www.wunderground.com/history/daily/za/matroosfontein/FACTResolver
0x69c47De9D...The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Cape Town International Airport Station, available here: https://www.wunderground.com/history/daily/za/matroosfontein/FACT.
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/za/matroosfontein/FACTResolver
0x69c47De9D...Current short-term forecast models for Cape Town point to a maximum temperature near 18–21 °C on August 4, reflecting typical Southern Hemisphere winter conditions under the moderating influence of the cold Benguela Current and Atlantic air masses. Light northerly winds and limited cloud cover could enhance daytime heating through greater solar insolation, while any strengthening onshore flow or increased marine layer would suppress the high by several degrees. Ensemble guidance shows tight clustering around these values, with small differences in model resolution of frontal positioning and boundary-layer mixing creating the narrow spread among the leading market outcomes. Updated runs from agencies such as the South African Weather Service will refine these variables ahead of resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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