These weather forecasts are generated by the Met Office Weather Widget. Click "More details" (as per screenshot on the right) for hour by hour forecasts.
Current forecast relevant to Day 1.
Current forecast relevant to Days 2 and 3. NB the forecast is for a position 5 km south of the arena and nearly 100m lower in altitude. Winds will be stronger in the arena and temperatures are likely to be about 1C lower too.
Current forecast relevant to Day 4. NB the forecast is for a position 1.5 km south of the arena and at about the same height.