There is a term for the unsettled conditions which can develop at this time of the year - the “European Monsoon”. It describes the strengthening of westerly winds in June and July which often bring unsettled and wet weather. The most likely period for it to occur is around the time of the Glastonbury festival. Despite that, records show that many years were not washouts by any stretch of the imagination.
There are no guarantees with the weather in the UK. However, a range of features provide a more in-depth view of the prospects than is often the case with web site or app-based forecasts and they can help you prepare for all eventualities.
The easiest and quickest option which updates 4 times daily.
Gives an hour by hour view and allows you to change the computer model data used at the tap of a button to check for forecast consistency. Also, the rain and storm percentage chance is available.
Uses multiple computer models to give a percentage chance of rain falling on a given day.
Uses multiple computer models to give a percentage chance of thunder on a given day.
Uses multiple computer models to give a percentage chance of temperatures exceeding different thresholds on a given day.
Ensembles forecast graphs showing upper air temperatures, rain, temperatures, pressure, mean wind speeds and gust wind speeds.
Ensembles forecast graphs showing upper air temperatures, rain, temperatures, and pressure.
Despite the in-depth forecasts and use of multiple computer models, it is important to remember that showery rain in the summer months can be very localised. The upshot is conditions can vary a lot over even short distances.
If you'd like to dig even deeper and check things out for yourself, using the charts and data sets from a wide range of computer models is the best approach. Check out the Model Inventory.
Going ad free on the web site will also give you access to features. See Advert free access on our website for the latest information.
What are the 35 day charts currently suggesting? At the time of publication they point towards pressure dipping and the risk of rain increasing as the festival begins. Don't worry! They fully update each day and at this range there are bound to be big variations from run to run.
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