Trader consensus on Polymarket closely splits between 13°C (33.5%) and 14°C (31.5%) for Helsinki's highest temperature on May 14, driven by uncertainty in short-range forecast models amid a cool maritime air mass over the Baltic Sea. The Finnish Meteorological Institute's May 12 update projects a maximum of 12°C under partly cloudy conditions with southerly winds at 4-6 m/s (gusts to 10 m/s) and low precipitation risk (<20%), reflecting persistent cool advection following recent highs near 14°C on May 11. Differentiating factors include potential for greater diurnal solar heating if morning clouds dissipate, as hinted in some ensemble spreads, versus sea-breeze moderation capping warmth; historical May 14 averages hover around 14°C. Watch FMI's May 13 briefing for refined guidance ahead of resolution via official station data.
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 14?
Highest temperature in Helsinki on May 14?
14°C 38%
13°C 35%
15°C 17%
16°C 6.9%
$10,674 Vol.
$10,674 Vol.
9°C or below
<1%
10°C
<1%
11°C
1%
12°C
5%
13°C
35%
14°C
38%
15°C
17%
16°C
7%
17°C
1%
18°C
1%
19°C or higher
1%
14°C 38%
13°C 35%
15°C 17%
16°C 6.9%
$10,674 Vol.
$10,674 Vol.
9°C or below
<1%
10°C
<1%
11°C
1%
12°C
5%
13°C
35%
14°C
38%
15°C
17%
16°C
7%
17°C
1%
18°C
1%
19°C or higher
1%
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 12, 2026, 12:23 AM ET
Resolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...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.
Resolution Source
https://www.wunderground.com/history/daily/fi/vantaa/EFHKResolver
0x69c47De9D...Trader consensus on Polymarket closely splits between 13°C (33.5%) and 14°C (31.5%) for Helsinki's highest temperature on May 14, driven by uncertainty in short-range forecast models amid a cool maritime air mass over the Baltic Sea. The Finnish Meteorological Institute's May 12 update projects a maximum of 12°C under partly cloudy conditions with southerly winds at 4-6 m/s (gusts to 10 m/s) and low precipitation risk (<20%), reflecting persistent cool advection following recent highs near 14°C on May 11. Differentiating factors include potential for greater diurnal solar heating if morning clouds dissipate, as hinted in some ensemble spreads, versus sea-breeze moderation capping warmth; historical May 14 averages hover around 14°C. Watch FMI's May 13 briefing for refined guidance ahead of resolution via official station data.
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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