Kefalonia weather for today, tomorrow and the next 14 days, compared across three independent forecast sources so you can see where they agree before you plan your day. Right now it is 14°C and sunny in Kefalonia. Tomorrow's forecast: highs of 24°C, lows of 13°C.
Sources: Open-Meteo, OpenWeather, WeatherAPI · Updated every 12 hours
KefaloniaGreece
Updated 08:00 AM
Sunny
Feels like 14°
Forecast Comparison
See how independent weather sources forecast the same location right now.
Forecast agreement
Sources are closely alignedTemperature range
14° – 15°
Rain probability
0% – 1%
Wind speed
2 km/h – 7 km/h
Temperature by provider
Hourly forecast
16-day forecast
Rain forecast
Precipitation probability: 0%Hourly precipitation timeline
Wind
Direction: E
Current wind
2 km/h
Gusts
9 km/h
Hourly wind
Daily wind
Weather alerts
No active weather alerts.
Weather map
Visiting Kefalonia
The largest Ionian island, with mountains, underground lakes and some of Greece's most photographed beaches.
Best time to visit: June and September for warm weather and sea; spring is green and good for hiking.
Landmarks & highlights
- Myrtos Beach
A white-pebble beach between steep cliffs.
- Melissani Cave
An underground lake lit by sunlight through a collapsed roof.
- Assos
A fishing village beside a Venetian fortress.
- Mount Ainos
A national park with fir forests and hiking trails.
Local tip: Visit Melissani around midday, when sunlight shines straight into the cave.
Getting around: A hire car is almost essential; buses are limited outside Argostoli.
Good to know: The Ionian islands are greener and get more winter rain than the Aegean islands.
Read the full Kefalonia best-time-to-visit guide →
Kefalonia this time of year
- Seasonally, October counts as mid-autumn in Kefalonia.
- Just 100 km apart, but Kefalonia runs about 2°C warmer than Patras this month.
- There's little difference between day and night (around 3°C).
Planning a trip to Kefalonia? Save or share this forecast.
Kefalonia weather overview: climate, seasons and what to expect
Kefalonia, in Ionian Islands, Greece, sits at approximately 38.17°N, 20.57°E and is home to about 36,000 people. This page compares forecasts from three independent weather providers — Open-Meteo, OpenWeather and WeatherAPI — so you can see at a glance where they agree and where they differ. The data refreshes every 12 hours via ISR.
Kefalonia has a Mediterranean climate: dry, warm to hot summers and mild, wetter winters. The warmest month is August, with highs around 29°C; the coolest is January, when nights average 11°C. December is usually the wettest month (about 134 mm). Close to Kefalonia, you can also check Zakynthos (52 km), Lefkada (74 km) and Patras (102 km).
Frequently asked questions
- What is the weather in Kefalonia today?
- Right now Kefalonia shows sunny conditions at around 14°C (feels like 14°C), based on OpenWeatherMap. The chance of rain today is about 0%. Compare this with the other sources above for a fuller picture.
- What is the weather in Kefalonia tomorrow?
- Tomorrow in Kefalonia: expect a high of 24°C and a low of 13°C, with a 0% chance of rain. See the hourly breakdown above for more detail.
- Will it rain in Kefalonia today?
- The precipitation probability for Kefalonia is around 0% according to OpenWeatherMap. Check the Rain forecast section for the hour-by-hour breakdown and compare with other sources.
- What is the 14-day forecast for Kefalonia?
- The 14-day forecast above shows daily highs, lows and rain probability for Kefalonia from multiple sources; compare them to see how confident the outlook is.
Nearby cities
Highs 14° – 29°C (warmest in Aug, coolest in Jan)
Highs 12° – 31°C (warmest in Aug, coolest in Jan)
Highs 9° – 32°C (warmest in Aug, coolest in Jan)
Highs 9° – 33°C (warmest in Aug, coolest in Jan)
Highs 13° – 30°C (warmest in Aug, coolest in Jan)
Highs 13° – 33°C (warmest in Aug, coolest in Jan)
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