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Weather · Puerto Rico

San Juan Weather on Wednesday, October 21, 2026

  1. TodayOctober 1930° 25°
  2. TomorrowOctober 2029° 25°
  3. WedOctober 2130° 24°
  4. ThuOctober 2230° 25°
  5. FriOctober 2331° 25°
  6. SatOctober 2431° 25°
  7. SunOctober 2531° 26°
  8. MonOctober 2630° 26°
  9. TueOctober 2729° 25°
  10. WedOctober 2830° 26°
  11. ThuOctober 2929° 25°
  12. FriOctober 3029° 24°
  13. SatOctober 3129° 25°
  14. SunNovember 128° 24°

San Juan · Wednesday, October 21 2026

30°24°

Drizzle

High 30°, low 24°

Chance of rain
82%
1.1 mm
Wind
16 km/h
southeast
UV index
8
High
Sunrise
06:19
Sunset 17:57
Day length
11 h 38 min
Moon
Waxing gibbous
81% illuminated

Updated: · Source: Open-Meteo

Forecast for San Juan on Wednesday, October 21, 2026: drizzle, with a high of 30°C and a low of 24°C. The chance of rain is 82%, with 1.1 mm of precipitation expected in total. Wind from the southeast at up to 16 km/h. Sunrise is at 06:19 and sunset at 17:57; day length 11 h 38 min. Temperatures similar to the previous day. Temperatures are close to the 7-day average. The best time to be outdoors looks like 08:00–12:00. Rain is most likely between 13:00 and 19:00.

What to wear and what to watch out for

  • Take an umbrella or a raincoat with you.
  • Mild weather: light clothing is enough.
  • High UV index (8): sunscreen, a hat and sunglasses are recommended.

Wednesday, October 21: hour by hour

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Weather nearby on October 21

Frequently asked questions

Will it rain in San Juan on Wednesday, October 21, 2026?
Yes, the chance of rain is 82%, with 1.1 mm of rain expected in total.
What will the temperature be in San Juan on Wednesday, October 21, 2026?
A high of 30°C and a low of 24°C are expected. Conditions: drizzle.
What time are sunrise and sunset in San Juan on October 21, 2026?
Sunrise is at 06:19 and sunset at 17:57 (local time); day length 11 h 38 min.
How reliable is this forecast?
Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.

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