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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the BritainNow weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Kefalonia is enjoying the conditions shown in the live forecast above – a pleasant mix of sunshine and light winds typical for this time of year. If you’re planning a trip or just curious, here’s what you need to know about the weather in the coming days and weeks.
What’s the weather in Kefalonia likely to be over the next week or two?
The Ionian island tends to stay mild through autumn, with sea breezes keeping things comfortable. For a detailed outlook, the bbc weather kefalonia 7 days forecast gives a reliable day-by-day picture. If you’re thinking further ahead, the weather in kefalonia next 21 days will show general trends – often a mix of clear skies and occasional showers as winter approaches. For a more focused window, check the bbc weather kefalonia 14 days and weather in kefalonia 10 days predictions.
How does Kefalonia’s climate compare to other Mediterranean destinations?
It’s slightly cooler than southern Crete or Cyprus in winter, but the sea retains warmth well into October. The live forecast above gives you the current conditions, while our Crete Weather and Cyprus Weather pages offer comparisons. For a UK perspective, see our 10 Day Weather Forecast UK.
Is it safe to swim in Kefalonia in October?
Yes – sea temperatures often stay above 22°C until late October. Always check the live forecast above for wind and any local warnings, but most beaches remain pleasant for swimming.
Does Kefalonia get a lot of rain?
Winter sees the most rain – December averages around 160mm. Summer months are very dry. The bbc weather kefalonia 7 days forecast will tell you if any rain is expected during your stay.
What’s the best time to visit for guaranteed sunshine?
June to September deliver the most reliable sun, with daytime highs around 28–32°C. For a quieter trip, late May or early October still offer good weather without the crowds.