Recent short-range forecasts from the Finnish Meteorological Institute and ECMWF ensembles indicate a daytime peak of 23–26°C in Helsinki on July 13, driven by a shift to warmer southerly flow, reduced cloud cover, and light winds allowing greater solar heating. This contrasts with cooler maritime conditions earlier in July that capped highs near 20°C. Trader sentiment clusters tightly around 24–26°C outcomes because ensemble spread remains modest on timing of any showers or frontal passage, while historical July averages near 21°C provide baseline context. Updated model runs and official briefings through July 12 will further refine the implied probabilities ahead of resolution based on Helsinki-Vantaa observations.
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 July 13?
Highest temperature in Helsinki on July 13?
25°C 27%
24°C 26%
23°C 14%
22°C 5%
NEW
NEW
Jul 13, 2026
16°C or below
<1%
17°C
<1%
18°C
<1%
19°C
<1%
20°C
1%
21°C
5%
22°C
5%
23°C
14%
24°C
26%
25°C
27%
26°C or higher
52%
25°C 27%
24°C 26%
23°C 14%
22°C 5%
NEW
NEW
Jul 13, 2026
16°C or below
$0 Vol.
<1%
17°C
$0 Vol.
<1%
18°C
$0 Vol.
<1%
19°C
$0 Vol.
<1%
20°C
$5 Vol.
1%
21°C
$5 Vol.
5%
22°C
$6 Vol.
5%
23°C
$0 Vol.
14%
24°C
$5 Vol.
26%
25°C
$0 Vol.
27%
26°C or higher
$47 Vol.
52%
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 13 Jul '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 short-range forecasts from the Finnish Meteorological Institute and ECMWF ensembles indicate a daytime peak of 23–26°C in Helsinki on July 13, driven by a shift to warmer southerly flow, reduced cloud cover, and light winds allowing greater solar heating. This contrasts with cooler maritime conditions earlier in July that capped highs near 20°C. Trader sentiment clusters tightly around 24–26°C outcomes because ensemble spread remains modest on timing of any showers or frontal passage, while historical July averages near 21°C provide baseline context. Updated model runs and official briefings through July 12 will further refine the implied probabilities ahead of resolution based on Helsinki-Vantaa observations.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 13 Jul '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: Jul 11, 2026, 12:03 AM ET
Volume
$68End Date
Jul 13, 2026Market Opened
Jul 11, 2026, 12:03 AM ETResolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 13 Jul '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 short-range forecasts from the Finnish Meteorological Institute and ECMWF ensembles indicate a daytime peak of 23–26°C in Helsinki on July 13, driven by a shift to warmer southerly flow, reduced cloud cover, and light winds allowing greater solar heating. This contrasts with cooler maritime conditions earlier in July that capped highs near 20°C. Trader sentiment clusters tightly around 24–26°C outcomes because ensemble spread remains modest on timing of any showers or frontal passage, while historical July averages near 21°C provide baseline context. Updated model runs and official briefings through July 12 will further refine the implied probabilities ahead of resolution based on Helsinki-Vantaa observations.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 13 Jul '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
$68End Date
Jul 13, 2026Market Opened
Jul 11, 2026, 12:03 AM ETResolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Recent short-range forecasts from the Finnish Meteorological Institute and ECMWF ensembles indicate a daytime peak of 23–26°C in Helsinki on July 13, driven by a shift to warmer southerly flow, reduced cloud cover, and light winds allowing greater solar heating. This contrasts with cooler maritime conditions earlier in July that capped highs near 20°C. Trader sentiment clusters tightly around 24–26°C outcomes because ensemble spread remains modest on timing of any showers or frontal passage, while historical July averages near 21°C provide baseline context. Updated model runs and official briefings through July 12 will further refine the implied probabilities ahead of resolution based on Helsinki-Vantaa observations.
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