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Porvoo 7-Day Snow Forecast - 20th September 2026

Porvoo Snow Forecast - 7 day

ECMWF IFS
GFS

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Updated 21 September 2026 07:41 NZST

7-Day Snow Forecast for Porvoo

1-week from 20 September.

For Forecast detail, see below.

Porvoo 7-Day Snow Forecast Highlights

When will there be fresh snow in Porvoo?

Porvoo Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (33m)
Next Snow?
There is no snow currently in the forecast for Porvoo.

7-Day Snow Outlook for Porvoo

 
Snowfall

 
Snow Line

Max 18℃
Min 7℃

Snow unlikely

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Porvoo Medium-Range (7-Day) Snow Forecast Detail

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

Max 18℃
Min 11℃

Valley temperatures from an overnight low of 11℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Sun
20

Snow unlikely

ShwrsFairFairClear

Rain showers, fair, clear sky later.

Forecast times for Porvoo are in Helsinki (Europe/Helsinki) time zone.

Max 16℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 16℃

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ClearShwrsLt DrizzleClear

Clear sky first, rain showers then light drizzle, clear sky later.

Forecast times for Porvoo are in Helsinki (Europe/Helsinki) time zone.

Max 15℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

ClearClearMixedClear

Clear sky, clear spells, clear sky later.

Forecast times for Porvoo are in Helsinki (Europe/Helsinki) time zone.

Max 15℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

ClearCloudLt DrizzleCloud

Clear sky first, cloudy then light drizzle, cloudy later.

Forecast times for Porvoo are in Helsinki (Europe/Helsinki) time zone.

Max 16℃
Min 11℃

Valley temperatures from an overnight low of 11℃ to daytime highs around 16℃

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

CloudLt DrizzleDrizzleCloud

Cloudy first, light drizzle then drizzle, cloudy later.

Forecast times for Porvoo are in Helsinki (Europe/Helsinki) time zone.

Max 15℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

ClearLt DrizzleLt DrizzleLt Drizzle

Clear sky early, then light drizzle later.

Forecast times for Porvoo are in Helsinki (Europe/Helsinki) time zone.

Max 14℃
Min 7℃

Valley temperatures from an overnight low of 7℃ to daytime highs around 14℃

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

CloudCloudLt DrizzleMixed

Cloudy, light drizzle, clear spells later.

Forecast times for Porvoo are in Helsinki (Europe/Helsinki) time zone.

No significant snowfall is forecast for this period.

This Snow Forecast for Porvoo, Finland gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Porvoo, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Porvoo Snow Forecast updated at 07:41 NZST, next update expected 13:00 NZST.

Snow Reliability

Porvoo generally enjoys reliable snow conditions, with an average snow depth of 30-50 cm during peak season. For the latest snow information, including current conditions, be sure to visit J2Ski.