- Will the highest temperature in Helsinki be 14°C or below on September 2?<1¢
- Will the highest temperature in Helsinki be 15°C on September 2?<1¢
- Will the highest temperature in Helsinki be 16°C on September 2?<1¢
- Will the highest temperature in Helsinki be 17°C on September 2?<1¢
- Will the highest temperature in Helsinki be 18°C on September 2?<1¢
- Will the highest temperature in Helsinki be 19°C on September 2?11¢
- Will the highest temperature in Helsinki be 20°C on September 2?57¢
- Will the highest temperature in Helsinki be 21°C on September 2?35¢
- Will the highest temperature in Helsinki be 22°C on September 2?2¢
- Will the highest temperature in Helsinki be 23°C on September 2?<1¢
- Will the highest temperature in Helsinki be 24°C or higher on September 2?<1¢
This market will resolve to the temperature range that contains the highest temperature recorded by NOAA at the Helsinki Vantaa Airport Station in degrees Celsius on 2 Sep '26. The resolution source for this market will be information from NOAA, specifically the highest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=efhk If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source. In the event which there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket. To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °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 from sources including the Finnish Meteorological Institute, Yr.no, and others indicate a high temperature in Helsinki on September 2, 2026, most likely reaching 20–21 °C under partly cloudy skies with light northwest to southwest winds. This aligns closely with the market-implied odds, where 20 °C leads at 56.5% and 21 °C follows at 35%, reflecting strong consensus on modest daytime warming. Current conditions on September 1 show highs near 17–20 °C amid stable pressure around 1008 hPa and moderate humidity, with no incoming cold fronts or significant cloud cover expected to suppress insolation on the 2nd. Historical climatology places the average September 2 high at roughly 17.8 °C, so the current setup represents a mild positive anomaly driven by light winds and limited precipitation risk. Model runs show tight agreement on peak values in the low 20s °C, with minimal spread that keeps probabilities concentrated in the 19–21 °C band while assigning negligible odds to outliers below 18 °C or above 22 °C. Updated forecasts tomorrow morning will provide the final inputs for resolution.