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

As autumn moves towards winter 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; showers, mostly later; sw/se winds.

The highest expected temperature tomorrow is 21, which is two degrees lower than today's max.

Today's maximum is the highest the mercury will climb over the next seven days, according to the forecast.

The chance of rain tomorrow is 80 per cent.

Showers are less likely Friday when the Bureau of Meteorology forecasts a high (70 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 8 km/h in the morning shifting to south-southeast around 12 km/h in the afternoon.

Details for the next six days:

Thursday, May 15: Mostly cloudy. Showers, mostly later. SW/SE winds Min - 13. Max - 21.

Friday, May 16: Mostly cloudy. Possible shower. SW winds tending SE Min - 15. Max - 21.

Saturday, May 17: Morning fog patches. Late shower. W'ly winds tending SE Min - 11. Max - 22.

Sunday, May 18: Mostly cloudy. Late shower. SW winds Min - 11. Max - 18.

Monday, May 19: Mostly cloudy. Heavy showers. S'ly winds Min - 11. Max - 17.

Tuesday, May 20: Cloudy. Rain periods. S'ly winds Min - 12. Max - 19.

The previous Blacktown weather article can be viewed here.