Santorini Weather Forecast
Santorini weather: 70°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Santorini
Derived from the current forecast window - not an official warning.
Peak gusts of 46 mph and 2 thunderstorm days in the next 16 days.
Wettest single day forecast at 0,0 in, 0,1 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Santorini
Derived from the forecast. No official alert feed is wired for this country yet.
16-day forecast for Santorini
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Oct 2 | ☁️ Overcast | 71° / 67° | 10% | 23 mph | 6 |
| Sat, Oct 3 | ☁️ Overcast | 71° / 67° | 23% | 23 mph | 5 |
| Sun, Oct 4 | ⛅ Partly cloudy | 72° / 67° | 5% | 16 mph | 6 |
| Mon, Oct 5 | 🌤️ Mainly clear | 73° / 67° | 3% | 11 mph | 6 |
| Tue, Oct 6 | 🌤️ Mainly clear | 73° / 67° | 0% | 12 mph | 6 |
| Wed, Oct 7 | ☁️ Overcast | 71° / 66° | 2% | 6 mph | 6 |
| Thu, Oct 8 | ☁️ Overcast | 72° / 69° | 6% | 11 mph | 6 |
| Fri, Oct 9 | ☁️ Overcast | 73° / 70° | 14% | 11 mph | 6 |
| Sat, Oct 10 | ⛈️ Thunderstorm | 77° / 70° | 16% · 0,0 in | 11 mph | 5 |
| Sun, Oct 11 | ⛈️ Thunderstorm | 74° / 69° | 4% · 0,0 in | 10 mph | 2 |
| Mon, Oct 12 | 🌤️ Mainly clear | 74° / 68° | 4% | 9 mph | 5 |
| Tue, Oct 13 | ☀️ Clear sky | 74° / 67° | 6% | 11 mph | 5 |
| Wed, Oct 14 | ☀️ Clear sky | 76° / 69° | 6% | 13 mph | 5 |
| Thu, Oct 15 | 🌤️ Mainly clear | 78° / 70° | 18% | 15 mph | 5 |
| Fri, Oct 16 | ☁️ Overcast | 75° / 70° | 10% | 19 mph | 5 |
| Sat, Oct 17 | ☁️ Overcast | 71° / 65° | 17% | 19 mph | 5 |
What this means for Santorini
Today is slightly cooler than average for October. The forecast high of 71°F is 4°F below the 75°F typical for this month.
A 10% chance means most of the area stays dry; a passing shower is possible but short.
Gusts to 46 mph will push high-sided vehicles on exposed roads and bridges.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 56°F.
See the Santorini forecast by time range
Santorini weather - more answers
Explore Santorini
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Santorini?
Santorini is a city in Greece. Its coordinates are 36.3932, 25.4615. It lies in Europe.
What is the weather like in Santorini right now?
It is currently 70°F (21°C) with partly cloudy. Humidity is 55% and wind is 21 mph.
When is the best time to visit Santorini?
May, June, July, August, September and October offer the most comfortable conditions in Santorini, which has a semi-arid climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Santorini in?
Santorini observes Europe/Athens (UTC+03:00). The local time is 2:40 AM.
How many people live in Santorini?
Santorini has a population of approximately 15.500.
What is the nearest airport to Santorini?
The closest airports are Athens International Airport (ATH), 135 mi away.
What are the top things to do in Santorini?
Popular options include Mykonos, Crete, Balos Lagoon, Elafonissi Beach, Acropolis, Athens and Acropolis of Athens.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 3, 2026 at 2:40 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
