Forecast models from sources including the South African Weather Service and international guidance indicate Cape Town highs on June 22 near 17–20 °C amid typical austral winter conditions, with the market favoring 19–20 °C outcomes due to uncertainty around cloud cover, wind direction, and any transient warm advection. The winter solstice on June 21 marks peak seasonal cooling, yet variable Atlantic high-pressure ridging or weak frontal passages can produce 2–4 °C daily swings at the official airport station. Historical June maxima average near 18 °C, with rare excursions above 22 °C tied to berg wind events or clearer subsidence. Traders weigh latest ensemble runs showing modest warming potential against persistent marine-layer stratus that caps afternoon temperatures, creating tight spreads among the 18–21 °C bins until the final observational window.
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 June 22?
Highest temperature in Cape Town on June 22?
20°C 27%
19°C 22%
18°C 17%
21°C 14%
NEW
NEW
Jun 22, 2026
13°C or below
<1%
14°C
<1%
15°C
1%
16°C
3%
17°C
9%
18°C
17%
19°C
22%
20°C
27%
21°C
14%
22°C
9%
23°C or higher
7%
20°C 27%
19°C 22%
18°C 17%
21°C 14%
NEW
NEW
Jun 22, 2026
13°C or below
$0 Vol.
<1%
14°C
$10 Vol.
<1%
15°C
$10 Vol.
1%
16°C
$39 Vol.
3%
17°C
$0 Vol.
9%
18°C
$0 Vol.
17%
19°C
$0 Vol.
22%
20°C
$0 Vol.
27%
21°C
$16 Vol.
14%
22°C
$11 Vol.
9%
23°C or higher
$33 Vol.
7%
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 22 Jun '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.Forecast models from sources including the South African Weather Service and international guidance indicate Cape Town highs on June 22 near 17–20 °C amid typical austral winter conditions, with the market favoring 19–20 °C outcomes due to uncertainty around cloud cover, wind direction, and any transient warm advection. The winter solstice on June 21 marks peak seasonal cooling, yet variable Atlantic high-pressure ridging or weak frontal passages can produce 2–4 °C daily swings at the official airport station. Historical June maxima average near 18 °C, with rare excursions above 22 °C tied to berg wind events or clearer subsidence. Traders weigh latest ensemble runs showing modest warming potential against persistent marine-layer stratus that caps afternoon temperatures, creating tight spreads among the 18–21 °C bins until the final observational window.
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 22 Jun '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.
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: Jun 20, 2026, 1:04 AM ET
Volume
$78End Date
Jun 22, 2026Market Opened
Jun 20, 2026, 1:04 AM ETResolution 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 22 Jun '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.Forecast models from sources including the South African Weather Service and international guidance indicate Cape Town highs on June 22 near 17–20 °C amid typical austral winter conditions, with the market favoring 19–20 °C outcomes due to uncertainty around cloud cover, wind direction, and any transient warm advection. The winter solstice on June 21 marks peak seasonal cooling, yet variable Atlantic high-pressure ridging or weak frontal passages can produce 2–4 °C daily swings at the official airport station. Historical June maxima average near 18 °C, with rare excursions above 22 °C tied to berg wind events or clearer subsidence. Traders weigh latest ensemble runs showing modest warming potential against persistent marine-layer stratus that caps afternoon temperatures, creating tight spreads among the 18–21 °C bins until the final observational window.
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 22 Jun '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.
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.
Volume
$78End Date
Jun 22, 2026Market Opened
Jun 20, 2026, 1:04 AM ETResolution Source
https://www.wunderground.com/history/daily/za/matroosfontein/FACTResolver
0x69c47De9D...Forecast models from sources including the South African Weather Service and international guidance indicate Cape Town highs on June 22 near 17–20 °C amid typical austral winter conditions, with the market favoring 19–20 °C outcomes due to uncertainty around cloud cover, wind direction, and any transient warm advection. The winter solstice on June 21 marks peak seasonal cooling, yet variable Atlantic high-pressure ridging or weak frontal passages can produce 2–4 °C daily swings at the official airport station. Historical June maxima average near 18 °C, with rare excursions above 22 °C tied to berg wind events or clearer subsidence. Traders weigh latest ensemble runs showing modest warming potential against persistent marine-layer stratus that caps afternoon temperatures, creating tight spreads among the 18–21 °C bins until the final observational window.
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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