@Phoenix Lincs - Good luck tomorrow, looks like you will have light and heavy showers in Nottingham between 7 am and 4pm so take along some light rain gear (gillet or pacamac, and maybe a skullcap if you have one). Dont take anything too heavy as I found during the London To Brighton when you add extra rain layers on and its quite light showers you really get too toasty.
May I suggest you wear sealskinz socks instead of standard ones if the predictions don't change (although they often do on the BBC!)
Go prepared I should say, stuff those rain bits in one of your pockets or wear from the outset if it is really miserable.
Hope it holds out for you.