Here's what you can expect with tomorrow's Penrith weather

As winter sets in what can locals expect tomorrow? We have the latest word from the Weather Bureau.

Weather forecasts are updated on the hour, sourced from WeatherZone.

Tomorrow's forecast is mostly cloudy; rain periods; sw winds.

The highest expected temperature tomorrow is 16, which is one degree lower than today's max.

Today's maximum will be topped on Wednesday, but cooler conditions are expected on five of the next six days.

The chance of rain tomorrow is 80 per cent.

Showers are less likely Saturday 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 south-southwest around 8 km/h in the morning shifting to south around 11 km/h in the afternoon.

Details for the next six days:

Friday, July 5: Mostly cloudy. Rain periods. SW winds Min - 10. Max - 16.

Saturday, July 6: Mostly cloudy. Showers. SW/SE winds Min - 9. Max - 16.

Sunday, July 7: Morning fog patches. Mostly sunny afternoon. SW winds tending S'ly Min - 7. Max - 17.

Monday, July 8: Mostly cloudy. SW winds tending NE Min - 8. Max - 17.

Tuesday, July 9: Morning fog patches. Possible shower. NW winds tending NE Min - 10. Max - 17.

Wednesday, July 10: Morning fog patches. Mostly sunny afternoon. SW winds tending N'ly Min - 8. Max - 19.

The previous Penrith weather article can be viewed here.