saturday
20 december

min.+4° max.+15°
Clear

Clear

Clear night

+4°

Clear morning

+9°

Clear day

+12°

Clear evening

+4°

Precipitation probability, %

-

-

-

-

Wind speed, m/s

2.5

1.7

2

1.9

sunday
21 december

min. max.+13°
Partly cloudy

Partly cloudy

Partly cloudy night

Cloudy morning

+6°

Clear day

+8°

Overcast evening

+8°

Precipitation probability, %

-

-

-

-

Wind speed, m/s

1.1

1.6

1

1.7

monday
22 december

min.+7° max.+17°
Overcast

Overcast

Overcast night

+8°

Overcast morning

+11°

Overcast day

+14°

Cloudy evening

+13°

Precipitation probability, %

-

-

-

-

Wind speed, m/s

1.5

1.9

1.5

1.5

Geomagnetic activity,
Kp-index for three days

00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
20.12.2025
Saturday
2
2
2
1
2
2
2
2
21.12.2025
Sunday
2
1
1
1
1
2
2
2
22.12.2025
Monday
2
3
4
4
4
5
-
-
– Small disturbances
– Weak storms
– Strong storms
– Extreme storms