Record Your Observation
To take part in Weather Watchers UK just complete the form below and your observations will be added to our database and displayed on this web site.
Note: In meteorology, an okta is a unit of measurement used to describe the amount of cloud cover at any given time. It ranges from 0 oktas - completely clear sky to 8 oktas - completely overcast. Use the table below to help you complete this form.
If you have any suggestions or questions then do not hesitate to Contact Us.
Cloud Coverage - Cloud amount is measured by dividing the sky up into eights, known as oktas, and estimating how much is covered by cloud. If there are lots of patches of individual cloud, estimate how much of the sky they would cover if they were all put together. If you cannot see the sky because it is obscured by fog, this is reported as 9 oktas.
| Cloud Types | |
|---|---|
| 0 oktas | Clear skies |
| 1 okta | Almost clear skies, just the odd cloud |
| 2 oktas | Mostly clear skies, only a quarter of the sky covered by cloud |
| 3 oktas | Partly cloudy, just over half the sky is cloudless |
| 4 oktas | Partly cloudy, half of the sky covered by cloud |
| 5 oktas | More than half the sky covered by cloud |
| 6 oktas | Mostly cloudy, only a quarter of the sky showing |
| 7 oktas | Almost overcast, just a small amount of sky showing |
| 8 oktas | Overcast, no sky showing |
| 9 oktas | Sky obscured by fog |