Trader consensus heavily favors a 17°C high in Cape Town on June 13 due to consistent short-range forecasts from regional models showing typical mid-winter conditions over the Western Cape. Daytime maxima are expected near the seasonal average of 17°C under partly cloudy skies with light southerly winds, as a weak coastal low brings only modest marine influence without significant warming or cooling. Official guidance aligns closely on this narrow range, with limited model spread and no incoming fronts capable of shifting temperatures outside 16–18°C. A rapid shift in steering flow or stronger onshore winds could push readings to 18°C or drop them to 15°C, though both remain low-probability outcomes given the current atmospheric setup.
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 13?
17°C 100.0%
10°C or below <1%
11°C <1%
12°C <1%
$27,641 Vol.
$27,641 Vol.
10°C or below
No
11°C
No
12°C
No
13°C
No
14°C
No
15°C
No
16°C
No
17°C
Yes
18°C
No
19°C
No
20°C or higher
No
17°C 100.0%
10°C or below <1%
11°C <1%
12°C <1%
$27,641 Vol.
$27,641 Vol.
10°C or below
No
11°C
No
12°C
No
13°C
No
14°C
No
15°C
No
16°C
No
17°C
Yes
18°C
No
19°C
No
20°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: Jun 11, 2026, 12:25 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
Trader consensus heavily favors a 17°C high in Cape Town on June 13 due to consistent short-range forecasts from regional models showing typical mid-winter conditions over the Western Cape. Daytime maxima are expected near the seasonal average of 17°C under partly cloudy skies with light southerly winds, as a weak coastal low brings only modest marine influence without significant warming or cooling. Official guidance aligns closely on this narrow range, with limited model spread and no incoming fronts capable of shifting temperatures outside 16–18°C. A rapid shift in steering flow or stronger onshore winds could push readings to 18°C or drop them to 15°C, though both remain low-probability outcomes given the current atmospheric setup.
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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