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Red sky at night? Rain on St Swithuns Day? Find out more about weather sayings in the UK.
16-20 July - Check the weather forecast for Lord's Cricket Ground before heading to London for the Second Test of the 2015 Ashes series.
There are three different ways of turning moist air into cloud, so that it rains or snows.
Find out more about UV levels and how ozone anomalies may affect them.
We provide pollen forecasts up to five days ahead.
Updated: 15 Jul 2015
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