Weather · Greece
Santorini Weather Tomorrow
Santorini · Sunday, October 18 2026
19°15°
Overcast
High 19°, low 15°
- Chance of rain
- 0%
- No rain
- Wind
- 12 km/h
- northwest
- UV index
- 5
- Moderate
- Sunrise
- 07:27
- Sunset 18:38
- Day length
- 11 h 11 min
- Moon
- First quarter
- 51% illuminated
Updated: · Source: Open-Meteo
Forecast for Santorini on Sunday, October 18, 2026: overcast, with a high of 19°C and a low of 15°C. No significant rain is expected (0% chance). Wind from the northwest at up to 12 km/h. Sunrise is at 07:27 and sunset at 18:38; day length 11 h 11 min. 2° warmer than the previous day. Temperatures are close to the 7-day average. The best time to be outdoors looks like 08:00–21:00.
What to wear and what to watch out for
- Mild weather: light clothing is enough.
- A good day for outdoor activities.
Tomorrow will be 2° warmer than today.
Sunday, October 18: hour by hour
- 00:0015°
- 01:0015°
- 02:0015°
- 03:0015°
- 04:0015°
- 05:0015°
- 06:0015°
- 07:0015°
- 08:0015°
- 09:0016°
- 10:0017°
- 11:0018°
- 12:0018°
- 13:0019°
- 14:0019°
- 15:0019°
- 16:0019°
- 17:0018°
- 18:0018°
- 19:0017°
- 20:0017°
- 21:0017°
- 22:0017°
- 23:0017°
Weather nearby on October 18
Frequently asked questions
- Will it rain in Santorini on Sunday, October 18, 2026?
- Most likely not: the chance of rain is 0%.
- What will the temperature be in Santorini on Sunday, October 18, 2026?
- A high of 19°C and a low of 15°C are expected. Conditions: overcast.
- What time are sunrise and sunset in Santorini on October 18, 2026?
- Sunrise is at 07:27 and sunset at 18:38 (local time); day length 11 h 11 min.
- How reliable is this forecast?
- Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.