Forecast models from the Finnish Meteorological Institute and global ensembles currently favor a daily maximum of 20–22 °C in Helsinki on August 5, driven by a weak high-pressure ridge and light southerly flow that limits strong warming or cooling. Early-August climatology places average highs near 19–21 °C, providing a tight baseline against which small shifts in cloud cover, wind speed, or frontal timing can move the outcome between 20 °C and 22 °C. With market-implied odds clustered tightly around these three outcomes, traders are weighing the latest model runs for any sign of a brief clearing that could push readings to 22 °C versus increased marine influence or evening showers that would cap the peak at 20 °C. Updated short-range guidance and station observations over the next 48 hours will likely resolve the remaining spread before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Helsinki on August 5?
21°C 35%
22°C 27%
20°C 23%
19°C 12%
17°C or below
1%
18°C
3%
19°C
12%
20°C
23%
21°C
35%
22°C
27%
23°C
5%
24°C
2%
25°C
1%
26°C
<1%
27°C or higher
<1%
21°C 35%
22°C 27%
20°C 23%
19°C 12%
17°C or below
1%
18°C
3%
19°C
12%
20°C
23%
21°C
35%
22°C
27%
23°C
5%
24°C
2%
25°C
1%
26°C
<1%
27°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 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.
Market Opened: Aug 3, 2026, 12:08 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...Forecast models from the Finnish Meteorological Institute and global ensembles currently favor a daily maximum of 20–22 °C in Helsinki on August 5, driven by a weak high-pressure ridge and light southerly flow that limits strong warming or cooling. Early-August climatology places average highs near 19–21 °C, providing a tight baseline against which small shifts in cloud cover, wind speed, or frontal timing can move the outcome between 20 °C and 22 °C. With market-implied odds clustered tightly around these three outcomes, traders are weighing the latest model runs for any sign of a brief clearing that could push readings to 22 °C versus increased marine influence or evening showers that would cap the peak at 20 °C. Updated short-range guidance and station observations over the next 48 hours will likely resolve the remaining spread before resolution.
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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