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Northern lights in Stockholm

Tonight's aurora chance in Stockholm — Kp index, darkness and cloud cover hour by hour.

Updated 02:00 · next refresh in about 1 min

These are the last known values — too old to describe conditions right now.

Kp right now

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Highest Kp tonight

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Needed here

Kp 5

What is Kp?

  • Kp is a 0–9 scale for how disturbed the Earth's magnetic field is. The higher the Kp, the further south the aurora reaches.
  • Here in Stockholm you normally need about Kp 5 for the aurora to reach the sky.
  • Clouds beat everything: with an overcast sky even a strong storm stays invisible.
Chance unavailableClouds: 66%

Chance hour by hour tonight

01:00

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100 % clouds

02:00

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99 % clouds

03:00

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98 % clouds

04:00

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88 % clouds

20:00

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85 % clouds

21:00

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79 % clouds

22:00

–

66 % clouds

23:00

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76 % clouds

00:00

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69 % clouds

Full forecast

What do the numbers mean?

Cloud cover

The percentage is tonight's lowest cloud cover. Lower numbers mean a clearer sky.

?Aurora chance

The badge combines Kp index, latitude and cloud cover.

NoneSmallPossibleGoodVery good

Clouds are decisive: even a strong storm stays invisible under an overcast sky.

All places

Clouds = percentage, badge = aurora chance.