Sydney has recorded its wettest August in almost a decade, as a massive cloud bank roughly the size of Western Australia is set to soak millions over the weekend.

Competitors in the City2Surf hoping to dry off after the soggy race were disappointed to see their bags of dry clothes had also been drenched in the downpour.

A cold and wet week across NSW will culminate this weekend in heavy rain, strong winds and powerful surf along the coast.

WEEKEND: Highs will be back near 90 both day with a mix of sun and clouds. Rain chance each afternoon is very isolated. Lows ...

Heavy rainfall, damaging winds and large surf are expected across much of the north coast and adjacent areas. Minor flooding ...

A 26-year-old woman is still missing in floodwaters and evacuation orders have been issued for flooding in parts of New South ...

Persistent rain is expected to continue for New South Wales with towns from Sydney to Newcastle in the firing line for heavy ...