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Semily Weather Forecast - 7 to 16 days - 21st April 2026

Semily Weather

ECMWF IFS
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Weather Forecast for Semily (984ft to 1,476ft)

Weather Outlook from 21 April.

Semily Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Semily Weather Forecast updated at 17:45 PDT, next update expected 23:00 PDT.

Long-range Snow Outlook for Semily

 
Snowfall

 
Snow Line

Max 58°F
Min 29°F

Snow unlikely

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Semily Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Semily from OpenMeteo(ECMWF IFS)
BaseSnow and WeatherTemp
Town
Tue
21
Lt Rain

Light rain showers.

Max 53°F
Min 33°F
Wed
22
Mixed

Clear spells.

Max 57°F
Min 30°F
Thu
23
Clear

Clear sky.

Max 58°F
Min 38°F
Fri
24
Mixed

Clear spells.

Max 54°F
Min 42°F
Sat
25
Cloud

Cloudy.

Max 54°F
Min 40°F
Sun
26
Lt Drizzle

Light drizzle.

Max 47°F
Min 35°F
Mon
27
Mixed

Clear spells.

Max 49°F
Min 29°F

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 trail 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 Weather Forecast updated at 17:45 PDT, next update expected 23:00 PDT.

Current Snow

For current snow depths and skiing conditions, see our Current Snow Report for Semily.

For more information about this Czech Ski Resort, See Also Skiing and Snowboarding in Semily .

Off-Piste Safety in Semily

Before skiing or snowboarding off-piste in Semily, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.