From Tuesday, the Hunter is forecast to receive a few days of rain.

Cloud cover will increase as Tuesday progresses, with a 90 per cent chance of rain in the afternoon and evening.

There is high chance of showers about the Lower Hunter, and a medium chance elsewhere.

The rain will continue on Wednesday, with heavy falls possible and a chance of thunderstorm.

Overnight temperatures in Maitland are expected to fall to about 17 degrees, with daytime temperatures not exceeding 23 degrees.

Those planning coastal activities should be aware that large and powerful surf conditions are expected in the afternoon and evening.

Thursday will bring another high chance of showers, with a likelihood of thunderstorms in the morning and evening about the Lower Hunter.

Possible rainfall levels between 10 to 25 mm are predicted, and Maitland can expect a top of 24 degrees.