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

As autumn 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 sunny; sw winds.

The highest expected temperature tomorrow is 20, .

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

The chance of rain tomorrow is 40 per cent.

Showers are less likely Friday when the Bureau of Meteorology forecasts a slight (20 per cent) chance of rain.

The UV index is predicted to be 4. There is a moderate risk of harm from sun exposure. Experts suggest covering up, using sunscreen outside and avoiding the sun around noon.

Winds will be southwest around 17 km/h in the morning shifting to south around 17 km/h in the afternoon.

Details for the next six days:

Thursday, May 1: Mostly sunny. SW winds Min - 12. Max - 20.

Friday, May 2: Mostly sunny. SW/SE winds Min - 12. Max - 21.

Saturday, May 3: Mostly sunny. SW winds tending SE Min - 11. Max - 23.

Sunday, May 4: Mostly sunny. W'ly winds tending E'ly Min - 11. Max - 23.

Monday, May 5: Morning fog patches. Mostly sunny afternoon. W'ly winds tending NE Min - 13. Max - 25.

Tuesday, May 6: Morning fog patches. Mostly sunny afternoon. NW winds tending N'ly Min - 12. Max - 26.

The previous Penrith weather article can be viewed here.