Semily 48-Hour Snow Forecast
Updated 20 September 2026 12:47 PDT
2-Day Forecast for Semily
48-hours from 21 September.
See below for forecast detail
Semily Snow Forecast updated at 12:47 PDT, next update expected 18:00 PDT.
Forecast for today in Semily
Max 56°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 56°F
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Cloudy, light drizzle, rain showers later.
Forecast times for Semily are in Prague (Europe/Prague) time zone.
Forecast for tomorrow in Semily
Max 58°F
Min 47°F
Valley temperatures from an overnight low of 47°F to daytime highs around 58°F
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Cloudy, light drizzle, clear sky later.
Forecast times for Semily are in Prague (Europe/Prague) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Mon | 00:00 |  | Clear sky. | 52°F | NW Breeze | 70% | |
| Mon | 01:00 | | Clear sky. | 51°F | NW Breeze | 30% | |
| Mon | 02:00 | | Clear sky. | 49°F | NW Breeze | 0% | |
| Mon | 03:00 | | Clear sky. | 49°F | NW Breeze | 0% | |
| Mon | 04:00 |  | Fair. | 49°F | NW Breeze | 0% | |
| Mon | 05:00 | | Clear spells. | 49°F | NW Breeze | 0% | |
| Mon | 06:00 | | Cloudy. | 49°F | NW Breeze | 5% | |
| Mon | 07:00 | | Cloudy. | 50°F | NW Breeze | 10% | |
| Mon | 08:00 | | Cloudy. | 51°F | NW Breeze | 20% | |
| Mon | 09:00 | | Light drizzle. | 51°F | NW Breeze | 40% | |
| Mon | 10:00 | | Light drizzle. | 53°F | NW Breeze | 65% | |
| Mon | 11:00 | | Light drizzle. | 55°F | NW Breeze | 85% | |
| Mon | 12:00 | | Light drizzle. | 55°F | NW Breeze | 90% | |
| Mon | 13:00 | | Light drizzle. | 55°F | NW Breeze | 90% | |
| Mon | 14:00 | | Drizzle. | 55°F | NW Breeze | 90% | |
| Mon | 15:00 | | Light drizzle. | 56°F | NW Breeze | 90% | |
| Mon | 16:00 | | Light drizzle. | 56°F | NW Breeze | 95% | |
| Mon | 17:00 | | Light drizzle. | 56°F | NW Breeze | 95% | |
| Mon | 18:00 | | Drizzle. | 52°F | NW Breeze | 90% | |
| Mon | 19:00 | | Light drizzle. | 51°F | NW Breeze | 80% | |
| Mon | 20:00 | | Light drizzle. | 50°F | NW Breeze | 65% | |
| Mon | 21:00 | | Clear sky. | 49°F | NW Light | 50% | |
| Mon | 22:00 | | Clear spells. | 49°F | NW Light | 35% | |
| Mon | 23:00 | | Clear spells. | 49°F | NW Light | 20% | |
| Tue | 00:00 | | Light drizzle. | 49°F | NW Light | 15% | |
| Tue | 01:00 | | Light drizzle. | 48°F | NW Light | 15% | |
| Tue | 02:00 | | Cloudy. | 48°F | NW Light | 10% | |
| Tue | 03:00 | | Cloudy. | 48°F | NW Light | 10% | |
| Tue | 04:00 | | Cloudy. | 49°F | NW Breeze | 10% | |
| Tue | 05:00 | | Clear spells. | 49°F | NW Breeze | 5% | |
| Tue | 06:00 | | Cloudy. | 48°F | NW Breeze | 5% | |
| Tue | 07:00 | | Clear spells. | 49°F | NW Breeze | 0% | |
| Tue | 08:00 | | Cloudy. | 49°F | NW Breeze | 0% | |
| Tue | 09:00 | | Light drizzle. | 50°F | NW Breeze | 0% | |
| Tue | 10:00 | | Cloudy. | 51°F | NW Breeze | 0% | |
| Tue | 11:00 | | Cloudy. | 52°F | NW Breeze | 0% | |
| Tue | 12:00 | | Light drizzle. | 54°F | NW Breeze | 5% | |
| Tue | 13:00 | | Light drizzle. | 56°F | NW Breeze | 15% | |
| Tue | 14:00 | | Light drizzle. | 57°F | NW Breeze | 20% | |
| Tue | 15:00 | | Light drizzle. | 57°F | NW Breeze | 15% | |
| Tue | 16:00 | | Light drizzle. | 58°F | NW Breeze | 5% | |
| Tue | 17:00 | | Fair. | 57°F | NW Breeze | 0% | |
| Tue | 18:00 | | Fair. | 56°F | NW Breeze | 0% | |
| Tue | 19:00 | | Fair. | 54°F | NW Light | 0% | |
| Tue | 20:00 | | Fair. | 52°F | NW Light | 0% | |
| Tue | 21:00 | | Clear sky. | 50°F | NW Light | 0% | |
| Tue | 22:00 | | Clear sky. | 48°F | NW Light | 0% | |
| Tue | 23:00 | | Clear sky. | 47°F | NW Light | 0% | |
Snow Forecast near Semily
Snow forecasts for nearby ski areas.
Snow Forecasts for other Ski Resorts near Semily are not available.
Semily Snow
For current snow depths and skiing conditions, see our Current Snow Report for Semily.
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.
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.