Recent forecast model runs from agencies including the Finnish Meteorological Institute indicate potential for Helsinki's June 29 maximum near 27–28°C, driven by southerly flow and reduced cloud cover that enhances daytime heating. Historical late-June averages hover around 20–22°C, with occasional peaks above 25°C under high-pressure setups, though ensemble spreads highlight sensitivity to minor shifts in steering patterns or timing of any frontal passage. Market-implied odds reflect this uncertainty, with 28°C favored amid variable model consensus on exact peak values, while lower outcomes gain traction if increased moisture or northerly winds materialize. Updated short-range guidance expected within 24–48 hours will likely refine probabilities ahead of 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 June 29?
Highest temperature in Helsinki on June 29?
27°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$81,356 Vol.
$81,356 Vol.
Jun 29, 2026
20°C or below
No
21°C
No
22°C
No
23°C
No
24°C
No
25°C
No
26°C
No
27°C
Yes
28°C
No
29°C
No
30°C or higher
No
27°C 100.0%
20°C or below <1%
21°C <1%
22°C <1%
$81,356 Vol.
$81,356 Vol.
Jun 29, 2026
20°C or below
$13,440 Vol.
No
21°C
$12,554 Vol.
No
22°C
$6,577 Vol.
No
23°C
$2,576 Vol.
No
24°C
$4,068 Vol.
No
25°C
$7,394 Vol.
No
26°C
$5,695 Vol.
No
27°C
$11,054 Vol.
Yes
28°C
$9,033 Vol.
No
29°C
$5,044 Vol.
No
30°C or higher
$3,921 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 29 Jun '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 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.Recent forecast model runs from agencies including the Finnish Meteorological Institute indicate potential for Helsinki's June 29 maximum near 27–28°C, driven by southerly flow and reduced cloud cover that enhances daytime heating. Historical late-June averages hover around 20–22°C, with occasional peaks above 25°C under high-pressure setups, though ensemble spreads highlight sensitivity to minor shifts in steering patterns or timing of any frontal passage. Market-implied odds reflect this uncertainty, with 28°C favored amid variable model consensus on exact peak values, while lower outcomes gain traction if increased moisture or northerly winds materialize. Updated short-range guidance expected within 24–48 hours will likely refine probabilities ahead of resolution.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 29 Jun '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 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.
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: Jun 27, 2026, 12:03 AM ET
Volume
$81,356End Date
Jun 29, 2026Market Opened
Jun 27, 2026, 12:03 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 29 Jun '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 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.Recent forecast model runs from agencies including the Finnish Meteorological Institute indicate potential for Helsinki's June 29 maximum near 27–28°C, driven by southerly flow and reduced cloud cover that enhances daytime heating. Historical late-June averages hover around 20–22°C, with occasional peaks above 25°C under high-pressure setups, though ensemble spreads highlight sensitivity to minor shifts in steering patterns or timing of any frontal passage. Market-implied odds reflect this uncertainty, with 28°C favored amid variable model consensus on exact peak values, while lower outcomes gain traction if increased moisture or northerly winds materialize. Updated short-range guidance expected within 24–48 hours will likely refine probabilities ahead of resolution.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 29 Jun '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 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.
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.
Volume
$81,356End Date
Jun 29, 2026Market Opened
Jun 27, 2026, 12:03 AM ETResolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Recent forecast model runs from agencies including the Finnish Meteorological Institute indicate potential for Helsinki's June 29 maximum near 27–28°C, driven by southerly flow and reduced cloud cover that enhances daytime heating. Historical late-June averages hover around 20–22°C, with occasional peaks above 25°C under high-pressure setups, though ensemble spreads highlight sensitivity to minor shifts in steering patterns or timing of any frontal passage. Market-implied odds reflect this uncertainty, with 28°C favored amid variable model consensus on exact peak values, while lower outcomes gain traction if increased moisture or northerly winds materialize. Updated short-range guidance expected within 24–48 hours will likely refine probabilities ahead of 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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