Latest forecast models from the Finnish Meteorological Institute indicate a daytime maximum of 16°C in Helsinki today, driven by stable springtime high pressure and moderate southerly flow that limits further warming. This positions 16°C as the clear market consensus, consistent with observed temperatures hovering near that threshold through midday and typical May climatology for the region. Model runs show minimal spread, with only minor variations possible from localized cloud breaks or brief wind shifts. Resolution hinges on official end-of-day readings, so any late-afternoon surge above the current trajectory remains the primary variable that could alter the outcome before markets close.
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 May 20?
Highest temperature in Helsinki on May 20?
16°C 100.0%
14°C or below <1%
15°C <1%
17°C <1%
$41,926 Vol.
$41,926 Vol.
May 20, 2026
14°C or below
No
15°C
No
16°C
Yes
17°C
No
18°C
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C or higher
No
16°C 100.0%
14°C or below <1%
15°C <1%
17°C <1%
$41,926 Vol.
$41,926 Vol.
May 20, 2026
14°C or below
$787 Vol.
No
15°C
$685 Vol.
No
16°C
$15,458 Vol.
Yes
17°C
$9,688 Vol.
No
18°C
$5,798 Vol.
No
19°C
$2,737 Vol.
No
20°C
$2,401 Vol.
No
21°C
$1,701 Vol.
No
22°C
$934 Vol.
No
23°C
$788 Vol.
No
24°C or higher
$948 Vol.
No
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 20 May '26.
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 Helsinki Vantaa Airport Station once information is finalized, 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 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.Latest forecast models from the Finnish Meteorological Institute indicate a daytime maximum of 16°C in Helsinki today, driven by stable springtime high pressure and moderate southerly flow that limits further warming. This positions 16°C as the clear market consensus, consistent with observed temperatures hovering near that threshold through midday and typical May climatology for the region. Model runs show minimal spread, with only minor variations possible from localized cloud breaks or brief wind shifts. Resolution hinges on official end-of-day readings, so any late-afternoon surge above the current trajectory remains the primary variable that could alter the outcome before markets close.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 20 May '26.
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 Helsinki Vantaa Airport Station once information is finalized, 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 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.
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 Helsinki Vantaa Airport Station once information is finalized, 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 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: May 18, 2026, 12:35 AM ET
Volume
$41,926End Date
May 20, 2026Market Opened
May 18, 2026, 12:35 AM ETResolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 20 May '26.
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 Helsinki Vantaa Airport Station once information is finalized, 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 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.Latest forecast models from the Finnish Meteorological Institute indicate a daytime maximum of 16°C in Helsinki today, driven by stable springtime high pressure and moderate southerly flow that limits further warming. This positions 16°C as the clear market consensus, consistent with observed temperatures hovering near that threshold through midday and typical May climatology for the region. Model runs show minimal spread, with only minor variations possible from localized cloud breaks or brief wind shifts. Resolution hinges on official end-of-day readings, so any late-afternoon surge above the current trajectory remains the primary variable that could alter the outcome before markets close.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 20 May '26.
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 Helsinki Vantaa Airport Station once information is finalized, 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 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.
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 Helsinki Vantaa Airport Station once information is finalized, 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 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.
Volume
$41,926End Date
May 20, 2026Market Opened
May 18, 2026, 12:35 AM ETResolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Latest forecast models from the Finnish Meteorological Institute indicate a daytime maximum of 16°C in Helsinki today, driven by stable springtime high pressure and moderate southerly flow that limits further warming. This positions 16°C as the clear market consensus, consistent with observed temperatures hovering near that threshold through midday and typical May climatology for the region. Model runs show minimal spread, with only minor variations possible from localized cloud breaks or brief wind shifts. Resolution hinges on official end-of-day readings, so any late-afternoon surge above the current trajectory remains the primary variable that could alter the outcome before markets close.
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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