Santorini Weather Forecast
Santorini weather: 85°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Will it rain in Santorini?
No - rain is unlikely in Santorini today.
Rain is very unlikely today - plans do not need a backup.
Over the next 7 days, about 0,0 in of precipitation is forecast.
The next 7 days look unusually dry - roughly 0% of a normal August week (0,0 in against 0,0 in).
16-day forecast for Santorini
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Aug 21 | ☀️ Clear sky | 87° / 76° | 0% | 10 mph | 8 |
| Sat, Aug 22 | ☀️ Clear sky | 88° / 77° | 0% | 11 mph | 8 |
| Sun, Aug 23 | ☀️ Clear sky | 89° / 78° | 0% | 10 mph | 8 |
| Mon, Aug 24 | ☀️ Clear sky | 88° / 79° | 0% | 12 mph | 8 |
| Tue, Aug 25 | ☀️ Clear sky | 87° / 79° | 0% | 14 mph | 7 |
| Wed, Aug 26 | ☀️ Clear sky | 80° / 78° | 0% | 13 mph | 7 |
| Thu, Aug 27 | ☀️ Clear sky | 80° / 76° | 0% | 27 mph | 7 |
| Fri, Aug 28 | ☀️ Clear sky | 80° / 75° | 0% | 28 mph | 7 |
| Sat, Aug 29 | ☀️ Clear sky | 82° / 74° | 0% | 18 mph | 7 |
| Sun, Aug 30 | ☀️ Clear sky | 84° / 74° | 2% | 12 mph | 7 |
| Mon, Aug 31 | ☀️ Clear sky | 88° / 75° | 2% | 14 mph | 7 |
| Tue, Sep 1 | ☀️ Clear sky | 86° / 76° | 0% | 15 mph | 7 |
| Wed, Sep 2 | ☀️ Clear sky | 87° / 76° | 0% | 15 mph | 7 |
| Thu, Sep 3 | ☀️ Clear sky | 85° / 76° | 0% | 10 mph | 7 |
| Fri, Sep 4 | ☀️ Clear sky | 81° / 75° | 0% | 22 mph | 7 |
| Sat, Sep 5 | ☀️ Clear sky | 78° / 75° | 0% | 19 mph | 7 |
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.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
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 85°F (29°C) with clear sky. Humidity is 49% and wind is 6 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 11:14 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 Santorini, Mykonos, Crete, Balos Lagoon, Elafonissi Beach and Acropolis, 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 August 21, 2026 at 11:14 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
