今日啲天氣唔係幾好呀所以呢就
The weather is not so good today, so why not?

Cantonese Sentence Breakdown

今日 gam1 jat6
(adverb) nowadays; today
啲 dit1
only a little bit
天氣 tin1 hei3
weather
唔係 m4 hai6
(phrase
adverb
noun) no, not.
幾 gei2
how much
how many
several
a few
quite
shortly thereafter
好 hou3
to like
to love
to be fond of
to be liable to
to be likely to
呀 haa1
(particle equivalent to 啊 after a vowel, expressing surprise or doubt)
所以 so2 ji5
hence
呢 ni1
this
就 zau6
at once
right away
only
just (emphasis)
as early as
already
as soon as
then
in that case
as many as
even if
to approach
to move towards
to undertake
to engage in
to suffer
subjected to
to accomplish
to take advantage of
to go with (of foods)
with regard to
concerning
to yield oneself to
to compromise
will do
no other
to let
allow something be a certain way
according to
supposing
either…or
exactly
precisely
definitely
to accommodate
has
have been
to give in