Should weather be a part of tournament play? I remember it in DBM .Thought it was cool 😎

I remember playing it too.   My Mitanni blazed a trail through the puddles to reach charge distance on Mark Taylor's HYW English bows just in time for the rain to stop and to do a fair impression of a giant hedgehog!

Yes, who could forget weather type 5, risk of thirst

QuoteCombat disadvantage after the side's 6th bound unless it has a river, lake or other feature depicting fresh water or friendly BUA closer to its base table edge than is the rear of its most forward element.

A joy to behold of the English language ... 

Just needs a ,or if shooting at the end

It is up to the tournament organiser.  The issue with playing weather is that it can distort the game, giving one side little chance purely due to a random factor.

It's a game ...after all

I believe it will depends on the tournament location.
How is the weather like this is Manchester for Britcon ?

QuoteHow is the weather like this is Manchester for Britcon ?

between 3 and 5

I recommend not for most tournaments.
It can have a huge swing in army match ups - so basically turns a 10,000pt even game into and 11k vs 9k battle.

But an occasional one for fun between consenting adults ... by all means.