This weekend is set to be another warm, muggy one - and next weekend may be much the same.

More thunderstorms expected in the territory this week before a drenching of up 100 millimetres of rain.

Canberrans can expect a cool change from Monday after a warm and windy weekend.

Forecasters predict heavy rain, strong winds and increasing swells.

After a year of driving global temperatures to unprecedented warmth, the giant El Nino weather event in the Pacific is officially over, raising hopes that drought-hit regions may be in for some relief in Australia and elsewhere.