Here's what you can expect with tomorrow's Mt Barker weather

As summer 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; possible shower; fresh sw winds.

The highest expected temperature tomorrow is 23, which is 13 degrees lower than today's max.

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

The chance of rain tomorrow is 50 per cent.

Showers are less likely Thursday when the Bureau of Meteorology forecasts a slim (10 per cent) chance of rain.

The UV index is predicted to be 12. There is an extreme risk of harm from sun exposure. Unprotected skin can burn within minutes in today's conditions. Experts suggest looking for shade and avoiding sun exposure around noon. General advice is to take all precautions such as using eye protection, sunscreen and covering up.

Winds will be west-southwest around 21 km/h in the morning increasing to southwest around 25 km/h in the afternoon.

Details for the next six days:

Wednesday, January 15: Mostly cloudy. Possible shower. Fresh SW winds Min - 16. Max - 23.

Thursday, January 16: Mostly cloudy. SW winds Min - 12. Max - 24.

Friday, January 17: Mostly sunny. SE winds Min - 12. Max - 27.

Saturday, January 18: Sunny. NE/SE winds Min - 14. Max - 34.

Sunday, January 19: Mostly sunny. NE winds tending S'ly Min - 15. Max - 36.

Monday, January 20: Mostly cloudy. E'ly winds tending SW Min - 17. Max - 37.

The previous Mt Barker weather article can be viewed here.