Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Morning Times weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for today’s conditions. Kos has a hot-summer Mediterranean climate, meaning long, dry summers and mild, wet winters. Plan beach days between June and September for the most reliable sunshine.
What is the weather in Kos like right now?
The live forecast above gives the most accurate view for today and the coming days. In summer, daytime highs reach around 30°C with clear skies and a light sea breeze. Evenings stay warm, around 22°C. Spring and autumn are pleasant for sightseeing, with temperatures in the low 20s. For those checking the kos weather forecast 21 days, long-range models suggest typical Mediterranean patterns, though shorter-term forecasts are more reliable.
When is the best time to visit Kos?
May to October offers the most dependable sunshine. July and August are hottest, ideal for swimming and sunbathing. If you prefer fewer crowds, June or September still give warm weather. For weather in kos next 14 days, the live forecast above is updated regularly. Monthly averages – kos weather by month – show July as the hottest, January the coolest and wettest.
Does Kos have a rainy season?
Yes, winter (November to February) sees most rain, but showers are usually short and followed by sun. Summer months are almost completely dry. For a kos weather 30 days outlook, check trusted long-range sources.
Is Kos windy?
The Meltemi wind can affect July and August, especially on eastern coasts. It brings a refreshing breeze but can whip up the sea. Check the kos weather radar for real-time wind patterns if you plan water activities.
What about humidity?
Summer humidity is moderate, around 60%, making the heat feel comfortable. Coastal breezes help. For a kos weather 25 day forecast, long-range models give general trends, but short-term updates are more accurate.
Sources
For comparison, see our UK weather hub or the Crete Weather page. If you need weather in kos 10 days, the live forecast above is the most reliable source. For a kos weather forecast 15 day outlook, consult the Met Office long-range guidance.