Until Sunday, however, the temperature was expected to hover around 27C, with overnight temperatures hitting 17 to 18C.
Ferris said frequent clouds, with occasional rain, could be expected for much of the week.
But he said the rain was hit and miss for the region.
"It's not going to hit every area. Some will get it, some won't."
On Wednesday showers in the afternoon, some potentially heavy were expected.
"Light winds and sea breezes will be sticking around for much of the week."
Reprieve will be in sight on Sunday, with a southerly breeze cooling the temperature down to the low 20s.