There's a very high (90 per cent) chance of showers this evening and the possibility of a thunderstorm as well.

Winds will be northerly 20 to 25 km/h becoming light in the evening then north-westerly 15 to 20 km/h in the late evening.

At 7am in Warrnambool it was 12.5 degrees and felt like 8.3.

Warrnambool is expecting a top of 20 degrees, Hamilton 19, Colac 17, Ararat 18, Casterton 20, Mortlake 19, Heywood 19, Portland 19, Port Fairy 20, Terang 18 and Camperdown 18.

There's aalso a strong marine warning for the West Coast.

A cold front approaching from the West will reach western Victoria late this afternoon, crossing the remainder of the state during Wednesday morning.

Another front will reaching southwestern Victoria late on Wednesday.

This front will move into the Tasman Sea during Thursday.

For the week ahead - Wednesday rain 14, Thursday mostly cloudy 13, Friday showers 14, Saturday showers 14, Sunday partly cloudy 14, Monday partly cloudy 15 and Tuesday mostly cloudy 15.

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