A sunny spring day in Inkoo on 23 March 2025. LEHTIKUVA
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Finland’s week began with sunshine, but weather conditions will turn unstable as low-pressure systems approach from both the north and south, according to multiple forecasts.
On Monday, skies remained mostly clear across the country, with high clouds scattered in some regions. The Finnish Meteorological Institute (FMI) reported daytime temperatures rising close to 10°C in parts of western Finland. Joonas Koskela, meteorologist at MTV, said temperatures in areas such as Kilpisjärvi and the Tornio Valley reached 6°C and 8°C respectively.
Southern and western inland areas experienced the highest temperatures, while coastal and eastern regions remained cooler. Coastal temperatures hovered around 5°C, with sea winds limiting daytime warmth. In the north, the sun was visible across large areas, though conditions became windier.
Despite the sunshine, the FMI noted increasing cloud cover moving into central and eastern Finland by Monday evening. A low-pressure system from the Arctic Ocean has already started affecting northern areas.
According to Kristian Roine, duty meteorologist at Foreca, a snow-bearing front passed over Northern Ostrobothnia and Lapland on Monday. Roine estimated snowfall at around 5 centimetres in parts of these regions. He said the system brought strong winds, especially in the fells where gusts reached high speeds.
By late Monday, light rainfall reached parts of the southeast, though most of the associated precipitation passed south of the country. Weak showers were also reported in eastern Finland.
Tuesday will begin with continued precipitation in the north as the snow front moves eastward. Roine said snowfall is likely between a line stretching from just north of Kuopio to Kokkola. Meanwhile, weak low pressure over southern Finland may bring light rain or sleet, especially along the southern coastline.
The FMI issued warnings for poor driving conditions from Tuesday morning through the evening across Northern Karelia, Northern Ostrobothnia, Kainuu and Lapland. A marine wind warning also remains in effect in offshore areas. A wildfire warning has been issued for Åland due to dry conditions.
Daytime temperatures will stay mild on Tuesday, similar to Monday. Western areas are forecast to reach up to 8°C again, while temperatures in the north will range from 0°C to 4°C. Eastern Finland is expected to remain closer to 5°C.
Wednesday will mark a shift in conditions. A slight cooling is forecast for northern Finland, with daytime temperatures expected to fall to around freezing. Southern and central regions are likely to remain stable, though overcast skies and scattered precipitation may continue.
According to Eveliina Tuovinen, duty meteorologist at the FMI, a clearer picture of weather patterns will emerge midweek. She said some areas in the south may see continued light rainfall into Wednesday.
Looking ahead to Thursday, Roine said daytime temperatures may reach around 10°C in southern Finland, making it the warmest day of the week. These values are higher than average for this time of year, though night-time temperatures will stay below freezing.
Roine advised against changing to summer tyres due to potential early morning frost and lingering wet conditions. “Especially if you need to drive early in the morning, I’d still be cautious,” he told Foreca’s weather blog.
No significant cold front is expected through the week. By the weekend, another low-pressure area is forecast to pass over the country, possibly bringing rain and snow to the north. Daytime highs will stay near 10°C in the south, while conditions remain unsettled due to the prevailing low-pressure systems.
Westerly and southwesterly winds are expected to dominate from Friday onwards. The FMI anticipates another front arriving late Friday, with rain likely across western and northern regions during the weekend.
Forecast models suggest fluctuating but generally mild spring conditions. While Monday offered a sunny reprieve across much of the country, residents are advised to prepare for wetter and windier conditions by midweek.
HT
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Source: www.helsinkitimes.fi
