Recent ensemble forecasts from the Finnish Meteorological Institute and ECMWF highlight modest uncertainty in peak heating for Helsinki on July 27, with model spreads centered near 19–20 °C. Southerly flow may briefly advect slightly warmer continental air, yet persistent cloud cover, scattered showers, and the moderating influence of the still-cool Baltic Sea surface (around 12–14 °C) limit strong diurnal warming. Subtle differences in the timing of any frontal passage or convective development can shift the daily maximum by 1–2 °C, which is why market-implied probabilities remain closely balanced among the 18–21 °C outcomes while colder or much warmer scenarios stay low-probability outliers.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateHighest temperature in Helsinki on July 27?
20°C 36%
19°C 27%
21°C 21%
18°C 12%
12°C or below
<1%
13°C
<1%
14°C
<1%
15°C
1%
16°C
2%
17°C
7%
18°C
12%
19°C
27%
20°C
36%
21°C
21%
22°C or higher
5%
20°C 36%
19°C 27%
21°C 21%
18°C 12%
12°C or below
<1%
13°C
<1%
14°C
<1%
15°C
1%
16°C
2%
17°C
7%
18°C
12%
19°C
27%
20°C
36%
21°C
21%
22°C or higher
5%
The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.
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.
Binuksan ang Market: Jul 25, 2026, 12:04 AM ET
Resolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
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 Helsinki Vantaa Airport Station, available here: https://www.wunderground.com/history/daily/fi/vantaa/EFHK.
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/fi/vantaa/EFHKResolver
0x69c47De9D...Recent ensemble forecasts from the Finnish Meteorological Institute and ECMWF highlight modest uncertainty in peak heating for Helsinki on July 27, with model spreads centered near 19–20 °C. Southerly flow may briefly advect slightly warmer continental air, yet persistent cloud cover, scattered showers, and the moderating influence of the still-cool Baltic Sea surface (around 12–14 °C) limit strong diurnal warming. Subtle differences in the timing of any frontal passage or convective development can shift the daily maximum by 1–2 °C, which is why market-implied probabilities remain closely balanced among the 18–21 °C outcomes while colder or much warmer scenarios stay low-probability outliers.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update



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