Recent short-range forecasts from models and agencies indicate a typical mid-winter pattern over Cape Town, with partly cloudy skies, light northwesterly winds, and limited daytime heating moderated by the cold Benguela Current. This setup supports a maximum temperature most likely between 16–18 °C, aligning with the tightly clustered market-implied odds around those outcomes. Key differentiating factors include subtle variations in cloud cover and onshore flow strength, which can suppress or allow modest warming; historical July averages near 17 °C provide climatological context, while the absence of strong frontal systems or clear-sky radiative heating keeps extremes improbable. Updated model runs in the next 24–48 hours will refine the precise peak before 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 July 18?
16°C 100.0%
12°C or below <1%
13°C <1%
14°C <1%
$44,684 Vol.
$44,684 Vol.
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%
$44,684 Vol.
$44,684 Vol.
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
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: Jul 16, 2026, 1:05 AM ET
Resolution Source
https://www.wunderground.com/history/daily/za/matroosfontein/FACTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
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...Outcome proposed: No
No dispute
Final outcome: No
Recent short-range forecasts from models and agencies indicate a typical mid-winter pattern over Cape Town, with partly cloudy skies, light northwesterly winds, and limited daytime heating moderated by the cold Benguela Current. This setup supports a maximum temperature most likely between 16–18 °C, aligning with the tightly clustered market-implied odds around those outcomes. Key differentiating factors include subtle variations in cloud cover and onshore flow strength, which can suppress or allow modest warming; historical July averages near 17 °C provide climatological context, while the absence of strong frontal systems or clear-sky radiative heating keeps extremes improbable. Updated model runs in the next 24–48 hours will refine the precise peak before 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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