Recent forecasts from numerical weather models indicate a warming trend for Cape Town on August 13, driven by a strengthening high-pressure ridge that limits cold air advection from the Southern Ocean and promotes subsidence warming under mostly sunny conditions. With average August highs near 18°C, the market's tight clustering around 26–28°C reflects model consensus on daytime maxima potentially reaching the mid-20s Celsius, tempered by uncertainty in exact wind patterns and boundary-layer mixing that could shave several degrees. South African Weather Service updates and ensemble spreads highlight how small shifts in the approaching frontal system or local orographic effects from Table Mountain could differentiate outcomes between 25°C and 29°C, with resolution depending on official maximum readings at the primary station. Traders weigh these variables against climatological baselines as the short forecast window narrows.
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 13?
27°C 30%
26°C 26%
28°C 21%
29°C 12%
21°C or below
<1%
22°C
1%
23°C
2%
24°C
4%
25°C
9%
26°C
26%
27°C
30%
28°C
21%
29°C
12%
30°C
1%
31°C or higher
1%
27°C 30%
26°C 26%
28°C 21%
29°C 12%
21°C or below
<1%
22°C
1%
23°C
2%
24°C
4%
25°C
9%
26°C
26%
27°C
30%
28°C
21%
29°C
12%
30°C
1%
31°C or higher
1%
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 13 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 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 11, 2026, 1:04 AM ET
Resolution Source
https://www.wunderground.com/history/daily/za/matroosfontein/FACTResolver
0x69c47De9D...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 13 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 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...Recent forecasts from numerical weather models indicate a warming trend for Cape Town on August 13, driven by a strengthening high-pressure ridge that limits cold air advection from the Southern Ocean and promotes subsidence warming under mostly sunny conditions. With average August highs near 18°C, the market's tight clustering around 26–28°C reflects model consensus on daytime maxima potentially reaching the mid-20s Celsius, tempered by uncertainty in exact wind patterns and boundary-layer mixing that could shave several degrees. South African Weather Service updates and ensemble spreads highlight how small shifts in the approaching frontal system or local orographic effects from Table Mountain could differentiate outcomes between 25°C and 29°C, with resolution depending on official maximum readings at the primary station. Traders weigh these variables against climatological baselines as the short forecast window narrows.
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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