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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Frankston’s weather today, as shown in the live forecast above, reflects the typical coastal pattern of the Mornington Peninsula – sea breezes often moderate temperatures and can bring afternoon cloud. Use that live data to decide your next hour; below we unpack why it behaves this way and what to expect over the coming days.
Why does Frankston get its own weather?
Frankston sits on the eastern shore of Port Phillip Bay, roughly 40 kilometres south of Melbourne’s CBD. That coastal position means the bay acts as a natural thermostat: in summer a cool afternoon “sea breeze” often drops temperatures by 4–6°C compared to inland suburbs, while in winter the water keeps overnight minimums milder than the outer eastern suburbs. The nearby Dandenong Ranges also funnel prevailing westerly winds, which can strengthen showers as they rise over the hills – something to watch if you’re checking the weather in Frankston tomorrow or the bom Frankston weather radar.
How reliable are the seven‑day forecasts for Frankston?
For a coastal town, forecast models generally perform well for temperature but struggle with exact wind timing and shower placement. The weather in Frankston 10 days out gives a broad trend – cool change or heatwave – but day‑to‑day specifics often shift 24–48 hours before. Check the live forecast above each morning and combine it with the BOM’s coastal waters forecast for Port Phillip to plan beach or boating trips.
Why is Frankston often windier than Melbourne’s inner suburbs?
Frankston’s open bay exposure means prevailing south‑westerlies and northerlies arrive without much land friction. The local sea‑breeze can also strengthen from mid‑morning, making afternoons gusty – particularly in spring and summer.
Does Frankston get fog in winter?
Yes. Clear, calm winter nights allow the bay’s moisture to condense, creating shallow fog that usually lifts by mid‑morning. It’s most common between June and August and can reduce visibility on the Nepean Highway.
How do I check the latest radar for Frankston?
The BOM’s Melbourne radar at Yarrawonga covers Frankston well. For precise rain timing, use the bom Frankston weather page or a radar loop – the 64‑km range shows approaching showers from the west and south‑west.
Sources
For broader Victorian conditions, visit our Australia weather hub or the Melbourne Weather page. If a severe storm or heatwave is forecast, check Severe Weather Warning updates.