Morning fog, however not bone-chilling, is expected to clear to a top of 18 degrees in the afternoon, mostly sunny.
Winds northerly 20 to 30 km/h becoming light in the evening then increasing to 15 to 20 km/h in the late evening.
Police have nothing to report from overnight.
May is Reduce Vehicle Theft month and an illuminated warning sign is in Webster Street to remind drivers to remove valuable and lock their cars at night.
Paramedics had nothing of interest to report.
Fire crews attended a grass and scrub fire just after 6pm on Tuesday night at the intersection of Yankee Flat Road and Gear Avenue, near Mt Helen.
They also attended a false alarm on Grant Street, Sebastopol.
A track fault at Sunshine has held up trains just after 6am but no further reports of delays.
Due to Regional Rail Link works, coaches will replace trains between Melbourne and Ballarat from Friday 30 May to Sunday 1 June. Trains will continue to operate between Ballarat and Ararat/Maryborough.