The highest expected temperature tomorrow is 34, which is five 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 Thursday, Friday, Saturday and Tuesday.

The chance of rain tomorrow is 5 per cent.

There is a similar chance of showers Friday when the Bureau of Meteorology forecasts a slim (5 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-northwest around 6 km/h in the morning shifting to northeast around 14 km/h in the afternoon.

Details for the next six days:

Thursday, December 4: Sunny. NW winds tending NE Min - 15. Max - 34.

Friday, December 5: Mostly sunny. NW winds tending NE Min - 18. Max - 38.

Saturday, December 6: Mostly cloudy. Fresh NW/NE winds Min - 22. Max - 39.

Sunday, December 7: Mostly cloudy. Clearing shower. W'ly winds tending fresh SE Min - 20. Max - 25.

Monday, December 8: Mostly sunny. SW winds tending NE Min - 16. Max - 27.

Tuesday, December 9: Mostly sunny. NW winds tending E'ly Min - 17. Max - 34.

The previous Parramatta weather article can be viewed here.