Australia Day begins warm before a hot mid-week spike across the Mornington Peninsula and Frankston, with UV expected to stay high to extreme. A cooler change is forecast for the weekend, with light showers possible on Saturday.
Warmer weather returns this week, but so does the wind. Here’s the BOM outlook for Frankston and the Mornington Peninsula, plus key safety notes on UV and marine conditions.
Conditions are mixed across Frankston and the Mornington Peninsula for the week starting 12 January 2026, with water quality a key consideration, Very High to Extreme UV levels early in the week, and a midweek shift to stronger winds, showers and possible thunderstorms.
VicEmergency has issued an Advice for extreme heat across Victoria ahead of Wednesday 7 January. This report outlines expected conditions for Frankston and the Mornington Peninsula, including local temperature ranges, fire risk and practical safety reminders.
As at 04/01/26, the week ahead (05/01/26–10/01/26) starts mostly sunny with Extreme UV, peaks with midweek heat, then turns more changeable with showers and wind later in the week. Includes water quality and safety reminders.
