Recent South African Weather Service outlooks highlight fine and warm conditions across much of the Western Cape for August 22–23, with partly cloudy skies and only isolated showers possible along the southwest coast. These conditions support maximum temperatures near the long-term August average of 17–18 °C at Cape Town International, where Mediterranean winter patterns typically feature moderate insolation tempered by onshore winds and variable cloud cover. Current model consensus and historical analogs favor a narrow range around 18–19 °C as the most probable outcome, with traders assigning the highest implied probabilities to these bins. Any shift toward clearer skies or stronger offshore flow could briefly elevate readings toward 20 °C, while increased cloud or stronger marine influence would likely keep maxima at or below 18 °C. Updated SAWS guidance and short-range model runs ahead of the date remain the key near-term catalysts.
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 23?
19°C 44%
18°C 23%
20°C 22%
17°C 7%
13°C or below
<1%
14°C
<1%
15°C
1%
16°C
3%
17°C
7%
18°C
23%
19°C
44%
20°C
22%
21°C
6%
22°C
5%
23°C or higher
1%
19°C 44%
18°C 23%
20°C 22%
17°C 7%
13°C or below
<1%
14°C
<1%
15°C
1%
16°C
3%
17°C
7%
18°C
23%
19°C
44%
20°C
22%
21°C
6%
22°C
5%
23°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 23 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 21, 2026, 12:58 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 23 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 South African Weather Service outlooks highlight fine and warm conditions across much of the Western Cape for August 22–23, with partly cloudy skies and only isolated showers possible along the southwest coast. These conditions support maximum temperatures near the long-term August average of 17–18 °C at Cape Town International, where Mediterranean winter patterns typically feature moderate insolation tempered by onshore winds and variable cloud cover. Current model consensus and historical analogs favor a narrow range around 18–19 °C as the most probable outcome, with traders assigning the highest implied probabilities to these bins. Any shift toward clearer skies or stronger offshore flow could briefly elevate readings toward 20 °C, while increased cloud or stronger marine influence would likely keep maxima at or below 18 °C. Updated SAWS guidance and short-range model runs ahead of the date remain the key near-term catalysts.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
Beware of external links.
Beware of external links.
Frequently Asked Questions