Santorini Weather Forecast
Santorini weather: 77°F, clear. 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 42 mph and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 0,0 in, 0,0 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 |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☀️ Clear sky | 87° / 77° | 0% | 10 mph | 8 |
| Sun, Aug 23 | ☀️ Clear sky | 88° / 77° | 0% | 11 mph | 8 |
| Mon, Aug 24 | ☀️ Clear sky | 90° / 80° | 0% | 10 mph | 8 |
| Tue, Aug 25 | ☀️ Clear sky | 88° / 80° | 0% | 13 mph | 7 |
| Wed, Aug 26 | ☀️ Clear sky | 90° / 79° | 0% | 10 mph | 7 |
| Thu, Aug 27 | ☀️ Clear sky | 80° / 78° | 0% | 17 mph | 7 |
| Fri, Aug 28 | ☀️ Clear sky | 78° / 75° | 0% | 25 mph | 7 |
| Sat, Aug 29 | ☀️ Clear sky | 82° / 76° | 0% | 21 mph | 7 |
| Sun, Aug 30 | ☀️ Clear sky | 88° / 76° | 0% | 15 mph | 7 |
| Mon, Aug 31 | ☀️ Clear sky | 87° / 77° | 0% | 14 mph | 7 |
| Tue, Sep 1 | ☀️ Clear sky | 91° / 78° | 0% | 15 mph | 7 |
| Wed, Sep 2 | ☀️ Clear sky | 89° / 78° | 0% | 14 mph | 7 |
| Thu, Sep 3 | ☀️ Clear sky | 88° / 78° | 0% | 13 mph | 7 |
| Fri, Sep 4 | ☀️ Clear sky | 89° / 77° | 0% | 8 mph | 7 |
| Sat, Sep 5 | ☀️ Clear sky | 83° / 75° | 0% | 23 mph | 7 |
| Sun, Sep 6 | ☀️ Clear sky | -- / -- | 0% | -- | — |
What this means for Santorini
Today is about average for August. The forecast high of 87°F is in line with the 86°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
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
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Weather for related places
Frequently asked questions
Where is Santorini?
Santorini is an island 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 77°F (25°C) with clear. Humidity is 66% and wind is 4 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 3:40 AM.
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 (islands) - 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 August 22, 2026 at 3:40 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
