Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the ScopePress weather desk. Data from national met services via Open-Meteo.
For practical weather observation, a cloud chart groups cloud types by altitude range (low, medium, high) and appearance (cumulus, stratus, cirrus). This classification, based on the World Meteorological Organization’s system, helps you identify cloud cover, assess incoming weather, and understand conditions at a glance.
What are the main cloud groups and their altitude ranges?
Low-level clouds (surface to 2,000 m) include cumulus, stratus, and stratocumulus. Medium-level clouds (2,000–6,000 m) are altocumulus and altostratus. High-level clouds (above 6,000 m) feature cirrus, cirrocumulus, and cirrostratus. Cloud charts also note vertical-development clouds (cumulonimbus and towering cumulus) that can span multiple layers. A printable cloud chart or cloud chart PDF is useful for field reference; a cloud chart poster makes a clear visual guide.
Why does cloud type matter for a UK forecast?
In the UK, low stratus often brings drizzle and overcast conditions; cumulonimbus signals heavy rain or thunderstorms. High cirrus typically indicates fair weather but may precede a warm front within 12–24 hours. Medium-level altostratus often thickens into rain-bearing nimbostratus. Using a word cloud chart (or a cloud chart PDF) helps readers link what they see overhead to the next few hours of weather. Check the UK weather hub for live conditions, or see the 10 Day Weather Forecast UK for expected cloud changes.
Where can I find a cloud chart PDF for printing?
The Met Office offers a free cloud chart PDF on its website under the “Learning” section. Many weather-education sites also provide a printable cloud chart suitable for laminating.
How is a cloud chart different from a cloud chart poster?
A cloud chart poster typically includes larger illustrations and minimal text, designed for display in classrooms or offices. A standard cloud chart is more compact, often with detailed labels and altitude markers for quick field use.
What is the best cloud chart for UK weather?
The Met Office cloud chart, which uses the WMO classification, is the most authoritative for the UK. It covers all common types from stratocumulus to cirrus and is available as a cloud chart poster or PDF.