Forecast models for Helsinki on June 15 point to a daytime maximum near 17–18°C under easterly flow, with scattered thundery showers and increased cloud cover expected to limit solar insolation and cap peak heating. This aligns with the market's close contest between 18°C (37%) and 17°C (33.5%), where minor differences in predicted shower timing, cloud thickness, or boundary-layer mixing could easily shift the observed high by 1°C. Typical mid-June climatology supports highs around 17–19°C, but the active weather pattern introduces uncertainty resolved only by final station observations. Traders weigh the latest model consensus against historical analogs for similar synoptic setups.
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 15?
Highest temperature in Helsinki on June 15?
18°C 39%
17°C 34%
19°C 19%
16°C 7%
NEW
$12,841 Vol.
NEW
$12,841 Vol.
Jun 15, 2026
11°C or below
<1%
12°C
<1%
13°C
<1%
14°C
1%
15°C
2%
16°C
7%
17°C
34%
18°C
39%
19°C
19%
20°C
2%
21°C or higher
1%
18°C 39%
17°C 34%
19°C 19%
16°C 7%
NEW
$12,841 Vol.
NEW
$12,841 Vol.
Jun 15, 2026
11°C or below
$309 Vol.
<1%
12°C
$193 Vol.
<1%
13°C
$362 Vol.
<1%
14°C
$1,195 Vol.
1%
15°C
$1,891 Vol.
2%
16°C
$2,532 Vol.
7%
17°C
$1,383 Vol.
34%
18°C
$922 Vol.
39%
19°C
$1,377 Vol.
19%
20°C
$1,239 Vol.
2%
21°C or higher
$1,519 Vol.
1%
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 15 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.Forecast models for Helsinki on June 15 point to a daytime maximum near 17–18°C under easterly flow, with scattered thundery showers and increased cloud cover expected to limit solar insolation and cap peak heating. This aligns with the market's close contest between 18°C (37%) and 17°C (33.5%), where minor differences in predicted shower timing, cloud thickness, or boundary-layer mixing could easily shift the observed high by 1°C. Typical mid-June climatology supports highs around 17–19°C, but the active weather pattern introduces uncertainty resolved only by final station observations. Traders weigh the latest model consensus against historical analogs for similar synoptic setups.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 15 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 13, 2026, 12:10 AM ET
Volume
$12,841End Date
Jun 15, 2026Market Opened
Jun 13, 2026, 12:10 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 15 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.Forecast models for Helsinki on June 15 point to a daytime maximum near 17–18°C under easterly flow, with scattered thundery showers and increased cloud cover expected to limit solar insolation and cap peak heating. This aligns with the market's close contest between 18°C (37%) and 17°C (33.5%), where minor differences in predicted shower timing, cloud thickness, or boundary-layer mixing could easily shift the observed high by 1°C. Typical mid-June climatology supports highs around 17–19°C, but the active weather pattern introduces uncertainty resolved only by final station observations. Traders weigh the latest model consensus against historical analogs for similar synoptic setups.
This market will resolve to the temperature range that contains the highest temperature recorded at the Helsinki Vantaa Airport Station in degrees Celsius on 15 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
$12,841End Date
Jun 15, 2026Market Opened
Jun 13, 2026, 12:10 AM ETResolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Forecast models for Helsinki on June 15 point to a daytime maximum near 17–18°C under easterly flow, with scattered thundery showers and increased cloud cover expected to limit solar insolation and cap peak heating. This aligns with the market's close contest between 18°C (37%) and 17°C (33.5%), where minor differences in predicted shower timing, cloud thickness, or boundary-layer mixing could easily shift the observed high by 1°C. Typical mid-June climatology supports highs around 17–19°C, but the active weather pattern introduces uncertainty resolved only by final station observations. Traders weigh the latest model consensus against historical analogs for similar synoptic setups.
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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