Weather for three days

Marathon

Determine location

friday
19 december

min.+22° max.+25°
Overcast and showers

Overcast and showers

Fog night

+22°

Fog morning

+23°

Fog day

+22°

Overcast evening

+21°

Precipitation probability, %

86%

-

-

-

Wind speed, m/s

0.6

1.1

1.3

1.5

saturday
20 december

min.+21° max.+22°
Fog

Fog

Overcast night

+20°

Partly cloudy morning

+21°

Cloudy day

+22°

Overcast evening

+21°

Precipitation probability, %

-

-

-

-

Wind speed, m/s

1.9

1.6

1.6

1.5

sunday
21 december

min.+21° max.+22°
Overcast

Overcast

Overcast night

+21°

Overcast morning

+21°

Overcast day

+21°

Cloudy evening

+22°

Precipitation probability, %

-

-

-

-

Wind speed, m/s

1.6

1.6

2.4

2.2

Geomagnetic activity,
Kp-index for three days

01:00 04:00 07:00 10:00 13:00 16:00 19:00 22:00
19.12.2025
Friday
3
2
2
1
1
3
3
3
20.12.2025
Saturday
2
2
2
1
2
2
2
1
21.12.2025
Sunday
1
1
2
1
2
1
-
-
– Small disturbances
– Weak storms
– Strong storms
– Extreme storms