MetService's latest observations from Wellington International Airport station—the market's resolution source—show midday temperatures already reaching 20.2°C under high-pressure dominance delivering clear skies, light winds, and ample sunshine, driving trader consensus to a 99.9% implied probability for a 20°C high on April 2. Forecast models align on a daytime maximum of 19–20°C with developing northerlies preventing cooler sea breezes, consistent with NIWA's seasonal outlook for near- or above-average autumn temperatures in the region. Realistic challenges include an unforeseen marine stratus layer or sudden southerly shift capping temps at 19°C or below, though current atmospheric stability and solar heating make this improbable as the afternoon peak approaches.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Wellington on April 2?
Highest temperature in Wellington on April 2?
20°C 99.8%
17°C <1%
21°C or higher <1%
$193,924 Vol.
$193,924 Vol.
17°C
<1%
20°C
100%
21°C or higher
<1%
20°C 99.8%
17°C <1%
21°C or higher <1%
$193,924 Vol.
$193,924 Vol.
17°C
<1%
20°C
100%
21°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 by the Forecast for the Wellington Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/nz/wellington/NZWN.
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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Market Opened: Mar 29, 2026, 2:25 PM ET
Resolution Source
https://www.wunderground.com/history/daily/nz/wellington/NZWNResolver
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 by the Forecast for the Wellington Intl Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/nz/wellington/NZWN.
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 to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Resolution Source
https://www.wunderground.com/history/daily/nz/wellington/NZWNResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
MetService's latest observations from Wellington International Airport station—the market's resolution source—show midday temperatures already reaching 20.2°C under high-pressure dominance delivering clear skies, light winds, and ample sunshine, driving trader consensus to a 99.9% implied probability for a 20°C high on April 2. Forecast models align on a daytime maximum of 19–20°C with developing northerlies preventing cooler sea breezes, consistent with NIWA's seasonal outlook for near- or above-average autumn temperatures in the region. Realistic challenges include an unforeseen marine stratus layer or sudden southerly shift capping temps at 19°C or below, though current atmospheric stability and solar heating make this improbable as the afternoon peak approaches.
Experimental AI-generated summary referencing Polymarket data · Updated
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