Recent official forecasts from the Finnish Meteorological Institute and ensemble models indicate a highest temperature near 20–22°C for Helsinki on June 22, driven by moderate southwesterly flow, partial cloud cover limiting insolation, and typical June maritime influences keeping values close to climatological norms. Trader emphasis on 23–24°C outcomes reflects minor upward model bias in some runs and uncertainty in afternoon peak timing or localized clearing. Differentiation among closely matched probabilities hinges on short-range variability in boundary-layer mixing, wind speed, and exact cloud evolution, with resolution depending on the official daily maximum recorded at the Helsinki observation site.
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 22?
Highest temperature in Helsinki on June 22?
23°C 100.0%
17°C or below <1%
18°C <1%
19°C <1%
$42,463 Vol.
$42,463 Vol.
Jun 22, 2026
17°C or below
No
18°C
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
Yes
24°C
No
25°C
No
26°C
No
27°C or higher
No
23°C 100.0%
17°C or below <1%
18°C <1%
19°C <1%
$42,463 Vol.
$42,463 Vol.
Jun 22, 2026
17°C or below
$165 Vol.
No
18°C
$275 Vol.
No
19°C
$640 Vol.
No
20°C
$7,666 Vol.
No
21°C
$4,084 Vol.
No
22°C
$6,874 Vol.
No
23°C
$9,149 Vol.
Yes
24°C
$7,238 Vol.
No
25°C
$4,397 Vol.
No
26°C
$953 Vol.
No
27°C or higher
$1,022 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 22 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 official forecasts from the Finnish Meteorological Institute and ensemble models indicate a highest temperature near 20–22°C for Helsinki on June 22, driven by moderate southwesterly flow, partial cloud cover limiting insolation, and typical June maritime influences keeping values close to climatological norms. Trader emphasis on 23–24°C outcomes reflects minor upward model bias in some runs and uncertainty in afternoon peak timing or localized clearing. Differentiation among closely matched probabilities hinges on short-range variability in boundary-layer mixing, wind speed, and exact cloud evolution, with resolution depending on the official daily maximum recorded at the Helsinki observation site.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 22 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 20, 2026, 12:14 AM ET
Volume
$42,463End Date
Jun 22, 2026Market Opened
Jun 20, 2026, 12:14 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 22 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 official forecasts from the Finnish Meteorological Institute and ensemble models indicate a highest temperature near 20–22°C for Helsinki on June 22, driven by moderate southwesterly flow, partial cloud cover limiting insolation, and typical June maritime influences keeping values close to climatological norms. Trader emphasis on 23–24°C outcomes reflects minor upward model bias in some runs and uncertainty in afternoon peak timing or localized clearing. Differentiation among closely matched probabilities hinges on short-range variability in boundary-layer mixing, wind speed, and exact cloud evolution, with resolution depending on the official daily maximum recorded at the Helsinki observation site.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 22 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
$42,463End Date
Jun 22, 2026Market Opened
Jun 20, 2026, 12:14 AM ETResolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Recent official forecasts from the Finnish Meteorological Institute and ensemble models indicate a highest temperature near 20–22°C for Helsinki on June 22, driven by moderate southwesterly flow, partial cloud cover limiting insolation, and typical June maritime influences keeping values close to climatological norms. Trader emphasis on 23–24°C outcomes reflects minor upward model bias in some runs and uncertainty in afternoon peak timing or localized clearing. Differentiation among closely matched probabilities hinges on short-range variability in boundary-layer mixing, wind speed, and exact cloud evolution, with resolution depending on the official daily maximum recorded at the Helsinki observation site.
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