The highest expected temperature tomorrow is 29, which is four degrees higher than today's max.

Warmer conditions are expected on four of the next six days, with the mercury climbing above today's maximum on Monday, Tuesday, Wednesday and Saturday.

The chance of rain tomorrow is 20 per cent.

Showers are more likely on Tuesday when the Bureau of Meteorology forecasts a medium (50 per cent) chance of rain.

The UV index is predicted to be 11. There is an extreme risk of harm from sun exposure. Unprotected skin can burn within minutes in today's conditions. Experts suggest looking for shade and avoiding sun exposure around noon. General advice is to take all precautions such as using eye protection, sunscreen and covering up.

Winds will be north-northeast around 10 km/h in the morning shifting to east-northeast around 19 km/h in the afternoon.

Details for the next six days:

Monday, December 8: Mostly cloudy. Fresh N/NE winds Min - 17. Max - 29.

Tuesday, December 9: Morning fog patches. Sunny afternoon. NW winds tending SE Min - 18. Max - 36.

Wednesday, December 10: Mostly cloudy. Clearing shower. SW/SE winds Min - 19. Max - 26.

Thursday, December 11: Mostly cloudy. Clearing shower. Fresh SE winds Min - 17. Max - 22.

Friday, December 12: Morning fog patches. Possible shower. SW winds tending E'ly Min - 16. Max - 24.

Saturday, December 13: Morning fog patches. Late shower. NW winds tending NE Min - 17. Max - 30.

The previous Parramatta weather article can be viewed here.