Official observations from Cape Town International Airport confirm the highest temperature reached 16°C on April 19, 2026, aligning with trader consensus at 100% implied probability for this outcome. A strong cold front that made landfall over the southwestern Cape on April 18 persisted into the next day, delivering widespread cloud cover, scattered showers, and gusty winds that limited solar heating and daytime warming, as reported by the South African Weather Service (SAWS). This marked a sharp departure from April climatological averages of 22–23°C highs, driven by southerly airflow and frontal boundary effects. While market-implied odds reflect verified airport data via standard meteorological stations, a realistic challenge could arise from rare post hoc revisions by SAWS if discrepancies emerge in quality-controlled records.
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 April 19?
Highest temperature in Cape Town on April 19?
16°C 100.0%
12°C or below <1%
13°C <1%
14°C <1%
$36,408 Vol.
$36,408 Vol.
Apr 19, 2026
12°C or below
No
13°C
No
14°C
No
15°C
No
16°C
Yes
17°C
No
18°C
No
19°C
No
20°C
No
21°C
No
22°C or higher
No
16°C 100.0%
12°C or below <1%
13°C <1%
14°C <1%
$36,408 Vol.
$36,408 Vol.
Apr 19, 2026
12°C or below
$1,544 Vol.
No
13°C
$2,328 Vol.
No
14°C
$3,112 Vol.
No
15°C
$2,380 Vol.
No
16°C
$5,866 Vol.
Yes
17°C
$2,014 Vol.
No
18°C
$3,489 Vol.
No
19°C
$8,644 Vol.
No
20°C
$2,219 Vol.
No
21°C
$3,092 Vol.
No
22°C or higher
$1,721 Vol.
No
This market will resolve to the temperature range that contains the highest temperature recorded at the Cape Town International Airport Station in degrees Celsius on 19 Apr '26.
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 Cape Town International Airport Station once information is finalized, 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 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.Official observations from Cape Town International Airport confirm the highest temperature reached 16°C on April 19, 2026, aligning with trader consensus at 100% implied probability for this outcome. A strong cold front that made landfall over the southwestern Cape on April 18 persisted into the next day, delivering widespread cloud cover, scattered showers, and gusty winds that limited solar heating and daytime warming, as reported by the South African Weather Service (SAWS). This marked a sharp departure from April climatological averages of 22–23°C highs, driven by southerly airflow and frontal boundary effects. While market-implied odds reflect verified airport data via standard meteorological stations, a realistic challenge could arise from rare post hoc revisions by SAWS if discrepancies emerge in quality-controlled records.
This market will resolve to the temperature range that contains the highest temperature recorded at the Cape Town International Airport Station in degrees Celsius on 19 Apr '26.
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 Cape Town International Airport Station once information is finalized, 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 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.
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 Cape Town International Airport Station once information is finalized, 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 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: Apr 17, 2026, 12:18 AM ET
Volume
$36,408End Date
Apr 19, 2026Market Opened
Apr 17, 2026, 12:18 AM ETResolution Source
https://www.wunderground.com/history/daily/za/matroosfontein/FACTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
This market will resolve to the temperature range that contains the highest temperature recorded at the Cape Town International Airport Station in degrees Celsius on 19 Apr '26.
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 Cape Town International Airport Station once information is finalized, 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 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.Official observations from Cape Town International Airport confirm the highest temperature reached 16°C on April 19, 2026, aligning with trader consensus at 100% implied probability for this outcome. A strong cold front that made landfall over the southwestern Cape on April 18 persisted into the next day, delivering widespread cloud cover, scattered showers, and gusty winds that limited solar heating and daytime warming, as reported by the South African Weather Service (SAWS). This marked a sharp departure from April climatological averages of 22–23°C highs, driven by southerly airflow and frontal boundary effects. While market-implied odds reflect verified airport data via standard meteorological stations, a realistic challenge could arise from rare post hoc revisions by SAWS if discrepancies emerge in quality-controlled records.
This market will resolve to the temperature range that contains the highest temperature recorded at the Cape Town International Airport Station in degrees Celsius on 19 Apr '26.
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 Cape Town International Airport Station once information is finalized, 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 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.
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 Cape Town International Airport Station once information is finalized, 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 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.
Volume
$36,408End Date
Apr 19, 2026Market Opened
Apr 17, 2026, 12:18 AM ETResolution Source
https://www.wunderground.com/history/daily/za/matroosfontein/FACTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official observations from Cape Town International Airport confirm the highest temperature reached 16°C on April 19, 2026, aligning with trader consensus at 100% implied probability for this outcome. A strong cold front that made landfall over the southwestern Cape on April 18 persisted into the next day, delivering widespread cloud cover, scattered showers, and gusty winds that limited solar heating and daytime warming, as reported by the South African Weather Service (SAWS). This marked a sharp departure from April climatological averages of 22–23°C highs, driven by southerly airflow and frontal boundary effects. While market-implied odds reflect verified airport data via standard meteorological stations, a realistic challenge could arise from rare post hoc revisions by SAWS if discrepancies emerge in quality-controlled records.
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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