Current forecasts from agencies including MetService and international models project a daily maximum near or slightly above Wellington’s August climatological average of 13°C, driven by typical winter frontal systems and variable northerly flows rather than strong high-pressure blocking. Recent model runs support highs of 14–15°C on the 13th under partly cloudy skies with limited cooling from cloud cover or southerlies, aligning with the market’s heavy weighting toward those outcomes. Seasonal outlooks from NIWA indicate near-average temperatures are most probable through August, with low odds of extremes given the absence of anomalous circulation patterns. Updated guidance ahead of the date will refine wind and cloud details that can shift the exact maximum by 1°C.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Wellington on August 13?
15°C 54%
14°C 30%
16°C 16%
13°C 3%
9°C or below
<1%
10°C
<1%
11°C
<1%
12°C
1%
13°C
3%
14°C
30%
15°C
54%
16°C
16%
17°C
2%
18°C
<1%
19°C or higher
<1%
15°C 54%
14°C 30%
16°C 16%
13°C 3%
9°C or below
<1%
10°C
<1%
11°C
<1%
12°C
1%
13°C
3%
14°C
30%
15°C
54%
16°C
16%
17°C
2%
18°C
<1%
19°C or higher
<1%
This market will resolve to the temperature range that contains the highest temperature recorded at the Wellington Intl Airport Station in degrees Celsius on 13 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 Wellington Intl Airport Station, 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 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 11, 2026, 12:03 AM ET
Resolution Source
https://www.wunderground.com/history/daily/nz/wellington/NZWNResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Wellington Intl Airport Station in degrees Celsius on 13 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 Wellington Intl Airport Station, 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 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/nz/wellington/NZWNResolver
0x69c47De9D...Current forecasts from agencies including MetService and international models project a daily maximum near or slightly above Wellington’s August climatological average of 13°C, driven by typical winter frontal systems and variable northerly flows rather than strong high-pressure blocking. Recent model runs support highs of 14–15°C on the 13th under partly cloudy skies with limited cooling from cloud cover or southerlies, aligning with the market’s heavy weighting toward those outcomes. Seasonal outlooks from NIWA indicate near-average temperatures are most probable through August, with low odds of extremes given the absence of anomalous circulation patterns. Updated guidance ahead of the date will refine wind and cloud details that can shift the exact maximum by 1°C.
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