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Semily 7-Day Snow Forecast - 20th September 2026

Semily Snow Forecast - 7 day

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Updated 21 September 2026 00:17 IST

7-Day Snow Forecast for Semily

1-week from 20 September.

For Forecast detail, see below.

Semily 7-Day Snow Forecast Highlights

When will there be fresh snow in Semily?

Semily Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (375m)
Next Snow?
There is no snow currently in the forecast for Semily.

7-Day Snow Outlook for Semily

 
Snowfall

 
Snow Line

Max 21℃
Min 5℃

Snow unlikely

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Semily 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 21℃
Min 11℃

Valley temperatures from an overnight low of 11℃ to daytime highs around 21℃

Temperature at BaseTemp at Base

Sun
20

Snow unlikely

CloudCloudShwrsClear

Cloudy, rain showers, clear sky later.

Forecast times for Semily are in Prague (Europe/Prague) time zone.

Max 14℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 14℃

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

CloudLt DrizzleLt DrizzleLt Drizzle

Cloudy early, then light drizzle later.

Forecast times for Semily are in Prague (Europe/Prague) time zone.

Max 14℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 14℃

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

MixedCloudFairMixed

Clear spells first, cloudy then fair, clear spells later.

Forecast times for Semily are in Prague (Europe/Prague) time zone.

Max 15℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

MixedClearFairFair

Clear spells, clear sky, fair later.

Forecast times for Semily are in Prague (Europe/Prague) time zone.

Max 13℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 13℃

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

CloudLt DrizzleMixedFair

Cloudy first, light drizzle then clear spells, fair later.

Forecast times for Semily are in Prague (Europe/Prague) time zone.

Max 17℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 17℃

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

CloudLt RainShwrsCloud

Cloudy first, light rain showers then rain showers, cloudy later.

Forecast times for Semily are in Prague (Europe/Prague) time zone.

Max 19℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 19℃

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Semily are in Prague (Europe/Prague) time zone.

No significant snowfall is forecast for this period.

This Snow Forecast for Semily, Czech Republic 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 Semily, 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.

Semily Snow Forecast updated at 00:17 IST, next update expected 05:30 IST.

Snow Reliability

Semily has a reliable snow record, typically boasting a snow depth of 60-100 cm during peak season. With consistent snowfall from December to March, it's advisable to check the latest snow conditions on J2Ski for current updates.