Weather for three days

Cortland

Determine location

saturday
20 december

min.-7° max.+2°
Overcast

Overcast

Partly cloudy night

-6°

Overcast morning

-2°

Overcast day

+1°

Overcast evening

Precipitation probability, %

-

-

-

-

Wind speed, m/s

0.8

1.4

1.5

1.6

sunday
21 december

min.-5° max.-1°
Overcast

Overcast

Fog night

-2°

Overcast morning

-1°

Overcast day

-3°

Overcast evening

-5°

Precipitation probability, %

-

-

-

-

Wind speed, m/s

1.3

1.9

1.5

1.1

monday
22 december

min.-7° max.-1°
Partly cloudy

Partly cloudy

Partly cloudy night

-7°

Cloudy morning

-4°

Overcast day

-2°

Partly cloudy evening

-2°

Precipitation probability, %

-

-

-

-

Wind speed, m/s

0.5

0.5

0.7

1

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