Daily brief · Finland

Helsinki Oct 21, 2026

Today's edition is in progress.

Weather-risk signals · signal engine (Open-Meteo)

A heavy rain day could hit

medium

A single day could bring around 6.6mm of rain on 2026-10-26 — close to the local heavy-rain reference for this time of year (around 8.7mm in a day). This comparison adds historical context; it does not assess impacts on a specific activity.

Reading evidence

Reading calculated Oct 21, 2026, 6:00 PM UTC.

Valid until Oct 26, 2026, 12:02 AM UTC.

Source: Open-Meteo.

Forecast period: 2026-10-21 to 2026-10-27.

Forecast source: open-meteo.

Years with usable data: 10 of 10.

Historical dataset: era5.

Samples: 150.

Method: heavy-rain-percentile-max-v1-2026-09-22.

construction · outdoor events · drainage operators · agriculture · livestock

A cold stretch is on the way

extreme

14 days in a row could stay below 15°C, starting 2026-10-21. Longer than this region usually sees at this time of year. Crops in flowering, livestock, and rooftop venues may be exposed.

Reading evidence

Reading calculated Oct 21, 2026, 6:00 PM UTC.

Valid until Oct 24, 2026, 12:02 AM UTC.

Source: Open-Meteo.

crop growers · livestock · outdoor hospitality

Heat is building above the usual range

low

Daily highs may average around 11.4°C over the next week — above the 9.1°C typical for this time of year. Outdoor work, livestock, and crops in flowering can come under stress.

Reading evidence

Reading calculated Oct 21, 2026, 6:00 PM UTC.

Valid until Oct 28, 2026, 12:02 AM UTC.

Source: Open-Meteo.

Forecast period: 2026-10-21 to 2026-10-27.

Forecast source: open-meteo.

Years with usable data: 10 of 10.

Historical dataset: era5.

Samples: 150.

Method: heat-stress-avg-v1-2026-09-22.

outdoor farmers · tourism · energy demand · livestock · construction

What people were seeing · community field reports

No field observations were posted for this place on Oct 21, 2026.