Recent numerical weather prediction guidance from global and regional models indicates a modest warming trend for Cape Town on July 31, with daytime maxima most likely in the 22–23°C range under partly cloudy conditions and light northerly flow. Traders assign the highest implied probabilities to these outcomes because ensemble spreads remain narrow yet show sensitivity to cloud cover and boundary-layer mixing, which can suppress or enhance peak readings by 1–2°C. Typical July climatology centers near 17–21°C, so any departure above average reflects transient high-pressure ridging that limits marine air intrusion. With only two days until resolution, fresh model runs and official South African Weather Service updates will be the decisive inputs as forecast confidence intervals tighten.
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 31?
24°C 31%
23°C 30%
22°C 20%
21°C 14%
17°C or below
2%
18°C
2%
19°C
2%
20°C
11%
21°C
14%
22°C
20%
23°C
30%
24°C
20%
25°C
10%
26°C
2%
27°C or higher
2%
24°C 31%
23°C 30%
22°C 20%
21°C 14%
17°C or below
2%
18°C
2%
19°C
2%
20°C
11%
21°C
14%
22°C
20%
23°C
30%
24°C
20%
25°C
10%
26°C
2%
27°C or higher
2%
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 29, 2026, 12:05 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...Recent numerical weather prediction guidance from global and regional models indicates a modest warming trend for Cape Town on July 31, with daytime maxima most likely in the 22–23°C range under partly cloudy conditions and light northerly flow. Traders assign the highest implied probabilities to these outcomes because ensemble spreads remain narrow yet show sensitivity to cloud cover and boundary-layer mixing, which can suppress or enhance peak readings by 1–2°C. Typical July climatology centers near 17–21°C, so any departure above average reflects transient high-pressure ridging that limits marine air intrusion. With only two days until resolution, fresh model runs and official South African Weather Service updates will be the decisive inputs as forecast confidence intervals tighten.
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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