The highest expected temperature tomorrow is 25, which is two degrees lower 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 Sunday.

The chance of rain tomorrow is 80 per cent.

Showers are less likely Wednesday when the Bureau of Meteorology forecasts a slight (30 per cent) chance of rain.

The UV index is predicted to be 9. There is a very high risk of harm from sun exposure. Skin can be damaged and burn quickly in today’s conditions. Experts suggest avoiding sun exposure around noon and keeping to the shade. General advice is to use eye protection, sunscreen and cover up.

Winds will be east-southeast around 7 km/h in the morning shifting to east-southeast around 13 km/h in the afternoon.

Details for the next six days:

Tuesday, March 11: Mostly cloudy. Rain periods. SE winds Min - 20. Max - 25.

Wednesday, March 12: Morning fog patches. Mostly sunny afternoon. SW winds tending E'ly Min - 19. Max - 27.

Thursday, March 13: Morning fog patches. Sunny afternoon. N/NE winds Min - 19. Max - 32.

Friday, March 14: Morning fog patches. Mostly sunny afternoon. SW winds tending NE Min - 21. Max - 30.

Saturday, March 15: Mostly sunny. NW winds tending NE Min - 20. Max - 34.

Sunday, March 16: Mostly sunny. NW/N'ly winds Min - 21. Max - 38.

The previous Parramatta weather article can be viewed here.