The highest expected temperature tomorrow is 18, which is one degree higher than today's max.

Warmer conditions are expected on two of the next six days, with the mercury climbing above today's maximum on Sunday and Friday.

The chance of rain tomorrow is 20 per cent.

Showers are more likely on Monday when the Bureau of Meteorology forecasts a high (70 per cent) chance of rain.

The UV index is predicted to be 2. While there is a low risk of harm from sun exposure. Experts suggest using eye protection, sunscreen and covering up, especially people with sensitive skin who burn easily.

Winds will be west-northwest around 6 km/h in the morning shifting to south-southwest around 3 km/h in the afternoon.

Details for the next six days:

Sunday, June 29: Morning fog patches. Mostly sunny afternoon. NW winds tending SE Min - 5. Max - 18.

Monday, June 30: Mostly sunny. SW/S'ly winds Min - 7. Max - 17.

Tuesday, July 1: Cloudy. Rain periods. Fresh SW winds Min - 9. Max - 15.

Wednesday, July 2: Mostly cloudy. Possible shower. Fresh SW winds Min - 11. Max - 16.

Thursday, July 3: Mostly cloudy. Late shower. SW winds Min - 10. Max - 17.

Friday, July 4: Mostly sunny. W'ly winds tending NE Min - 5. Max - 18.

The previous Parramatta weather article can be viewed here.