Weather · Greece
Santorini Weather on Wednesday, October 21, 2026
Santorini · Wednesday, October 21 2026
23°16°
Mostly clear
High 23°, low 16°
- Chance of rain
- 0%
- No rain
- Wind
- 6 km/h
- northwest
- UV index
- 5
- Moderate
- Sunrise
- 07:30
- Sunset 18:34
- Day length
- 11 h 4 min
- Moon
- Waxing gibbous
- 81% illuminated
Updated: · Source: Open-Meteo
Forecast for Santorini on Wednesday, October 21, 2026: mostly clear, with a high of 23°C and a low of 16°C. No significant rain is expected (0% chance). Wind from the northwest at up to 6 km/h. Sunrise is at 07:30 and sunset at 18:34; day length 11 h 4 min. Temperatures similar to the previous day. This day is 2° warmer than 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.
Wednesday, October 21: hour by hour
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Weather nearby on October 21
Frequently asked questions
- Will it rain in Santorini on Wednesday, October 21, 2026?
- Most likely not: the chance of rain is 0%.
- What will the temperature be in Santorini on Wednesday, October 21, 2026?
- A high of 23°C and a low of 16°C are expected. Conditions: mostly clear.
- What time are sunrise and sunset in Santorini on October 21, 2026?
- Sunrise is at 07:30 and sunset at 18:34 (local time); day length 11 h 4 min.
- How reliable is this forecast?
- Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.