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Do clouds have weight?
Clouds have weight just like the rest of the atmosphere.
Clouds are composed of tiny water droplets and ice crystals. The average-sized cumulus cloud has a density of approximately 0.5 gram per cubic meter and averages 1 km wide by 1 km long by 1 km tall, so you can expect the average cumulus cloud to weigh approximately 500,000 kilograms (1.1 million pounds).