Weather Semily week
Weather forecast for Semily for this and next week.
Wednesday, May 20
19 / 8°C
| 0.0 mm | 9 km/h |
| 9 °C | 8 °C | 2 am | |
| 15 °C | 14 °C | 8 am | |
| 19 °C | 18 °C | 2 pm | |
| 15 °C | 15 °C | 8 pm |
sunrise 5:03 am
sunset 8:47 pm
HOURLY
sunset 8:47 pm
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Weather forecast Semily, Czechia extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wednesday 05/20/2026 |
|||||||||||||
| 2 AM
8 PM
| clear | 9 °C 8 °C |
0.0 mm | 1.7 m/s6 km/h east-northeast |
1020 hPa | 82 % | 6 °C | 2 % | 0% | 0% | 2% | 0% | |
| 8 AM
2 AM
| clear | 15 °C 15 °C |
0.0 mm | 0.6 m/s2 km/h east |
1022 hPa | 65 % | 8 °C | 3 % | 0% | 0% | 1% | 1% | |
| 2 PM
8 AM
| overcast | 19 °C 18 °C |
0.0 mm | 2.5 m/s9 km/h west-southwest |
1022 hPa | 48 % | 7 °C | 99 % | 0% | 6% | 54% | 98% | |
| 8 PM
2 PM
| cloudy | 15 °C 15 °C |
0.0 mm | 1.5 m/s5 km/h north |
1022 hPa | 70 % | 9 °C | 58 % | 0% | 0% | 11% | 53% | |
Thursday 05/21/2026 |
|||||||||||||
| 2 AM
8 PM
| cloudy | 10 °C 9 °C |
0.0 mm | 1.2 m/s4 km/h northeast |
1024 hPa | 91 % | 8 °C | 85 % | 0% | 5% | 8% | 83% | |
| 8 AM
2 AM
| rain showers | 15 °C 15 °C |
1.0 mm | 1.6 m/s6 km/h northwest |
1026 hPa | 73 % | 10 °C | 2 % | 0% | 1% | 0% | 0% | |
| 2 PM
8 AM
| rain showers | 19 °C 19 °C |
1.8 mm | 2.2 m/s8 km/h north-northwest |
1027 hPa | 61 % | 11 °C | 77 % | 0% | 63% | 41% | 0% | |
| 8 PM
2 PM
| clear | 16 °C 16 °C |
0.0 mm | 2.3 m/s8 km/h north-northwest |
1027 hPa | 73 % | 11 °C | 1 % | 0% | 0% | 1% | 0% | |
Semily, Czechia - information
State: CzechiaGPS coordinates: 50.6019; 15.3355
Time zone: Europe / Prague
Population: 9 040
Altitude: 321 m
The administrative part:
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Data source
Weather forecast for Semily is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.Weather with Meteobox for your website
Long-term statistical averages
| average | min. | max. | precipit… days |
|
|---|---|---|---|---|
| January | -2.2 °C | -4.7 °C | 0.2 °C | 11 |
| February | -1.0 °C | -3.7 °C | 2.0 °C | 10 |
| March | 2.4 °C | -1.0 °C | 6.4 °C | 11 |
| April | 6.8 °C | 2.3 °C | 12.0 °C | 9 |
| May | 11.9 °C | 6.6 °C | 17.4 °C | 10 |
| June | 14.9 °C | 9.8 °C | 20.3 °C | 12 |
| July | 16.5 °C | 11.3 °C | 21.9 °C | 11 |
| August | 16.1 °C | 11.1 °C | 21.9 °C | 10 |
| September | 12.5 °C | 8.4 °C | 17.6 °C | 9 |
| October | 8.2 °C | 4.9 °C | 12.4 °C | 9 |
| November | 2.8 °C | 0.6 °C | 5.4 °C | 11 |
| December | -0.8 °C | -3.1 °C | 1.5 °C | 13 |
Astronomical information Semily
data are always in the local timeSun and light
May 20, 2026
| Sunrise: | Sunset: |
| 5:03 am | 8:47 pm |
| Noon: | Length of day: |
| 12:55 pm | 15:44 |
| Start of civil twilight*: | End of civil twilight*: |
| 4:21 am | 9:30 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 3:26 am | 10:25 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 2 am | 11:54 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 05/20/2026 8 am | 05/21/2026 1:14 am |
| Next new moon: | Next full moon: |
| 06/14/2026 | 05/31/2026 |
