Here's what you can expect with tomorrow's Hornsby 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 morning fog patches; showers; 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 90 per cent.

Showers are less likely Friday when the Bureau of Meteorology forecasts a high (80 per cent) chance of rain.

The UV index is predicted to be 3. 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 6 km/h in the morning shifting to south around 7 km/h in the afternoon.

Details for the next six days:

Thursday, May 15: Morning fog patches. Showers. SW/SE winds Min - 13. Max - 21.

Friday, May 16: Mostly cloudy. Showers. SW/S'ly winds Min - 14. Max - 21.

Saturday, May 17: Morning fog patches. Late shower. W/S'ly winds Min - 12. Max - 21.

Sunday, May 18: Mostly cloudy. Rain periods. SW winds Min - 12. Max - 18.

Monday, May 19: Mostly cloudy. Heavy showers. Fresh S'ly winds Min - 11. Max - 18.

Tuesday, May 20: Cloudy. Heavy showers. S'ly winds Min - 12. Max - 20.

The previous Hornsby weather article can be viewed here.