saturday
20 december

min.-1° max.+5°
Clear

Clear

Clear night

-1°

Clear morning

+3°

Clear day

+4°

Overcast evening

+3°

Precipitation probability, %

-

-

-

-

Wind speed, m/s

1.2

0.1

1.5

2.2

sunday
21 december

min.+1° max.+10°
Overcast

Overcast

Clear night

+4°

Cloudy morning

+8°

Partly cloudy day

+8°

Clear evening

Precipitation probability, %

-

-

-

-

Wind speed, m/s

1.8

1.3

2.1

2

monday
22 december

min.-2° max.+3°
Overcast

Overcast

Clear night

-2°

Cloudy morning

+1°

Partly cloudy day

+1°

Partly cloudy evening

Precipitation probability, %

-

-

-

-

Wind speed, m/s

1.9

1.9

0.8

0.4

Geomagnetic activity,
Kp-index for three days

01:00 04:00 07:00 10:00 13:00 16:00 19:00 22:00
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