Recent forecasts from global and regional models indicate a post-frontal regime over the Western Cape, with high pressure building after mid-June cold front passages expected to keep daytime maxima clustered near 18–19°C on June 16. Key variables include the strength of onshore flow from the Benguela Current, residual cloud cover versus rapid clearing, and the precise timing of any coastal low that could enhance or suppress insolation. Historical June climatology shows average highs around 18°C with a standard deviation of roughly 2°C, supporting the tight market spread between 18°C and 19°C. Traders are monitoring the next ECMWF and SAWS model runs for refinements in boundary-layer moisture and wind direction ahead of the short-range resolution 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 16?
19°C 38%
18°C 35%
20°C 16%
17°C 10%
14°C or below
<1%
15°C
<1%
16°C
2%
17°C
10%
18°C
35%
19°C
38%
20°C
16%
21°C
2%
22°C
<1%
23°C
<1%
24°C or higher
<1%
19°C 38%
18°C 35%
20°C 16%
17°C 10%
14°C or below
<1%
15°C
<1%
16°C
2%
17°C
10%
18°C
35%
19°C
38%
20°C
16%
21°C
2%
22°C
<1%
23°C
<1%
24°C or higher
<1%
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 14, 2026, 1:09 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 forecasts from global and regional models indicate a post-frontal regime over the Western Cape, with high pressure building after mid-June cold front passages expected to keep daytime maxima clustered near 18–19°C on June 16. Key variables include the strength of onshore flow from the Benguela Current, residual cloud cover versus rapid clearing, and the precise timing of any coastal low that could enhance or suppress insolation. Historical June climatology shows average highs around 18°C with a standard deviation of roughly 2°C, supporting the tight market spread between 18°C and 19°C. Traders are monitoring the next ECMWF and SAWS model runs for refinements in boundary-layer moisture and wind direction ahead of the short-range resolution 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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