Saturday will have heavy and thundery rain, downpours, and a risk of HAIL and lightning.

Might be sunnier in the afternoon. Likely to get to 19 degrees still. A good day to spend indoors at Watford’s Got Talent in Watford Central Library.

Sunday will be less humid but still cloudy and there is a chance of a shower between sunny spells. Should be 22 degrees by 4pm.