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Puerto Rico Weather Tomorrow

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Puerto Rico · Sunday, October 18 2026

29°20°

Light showers

High 29°, low 20°

Chance of rain
100%
5.5 mm
Wind
7 km/h
southeast
UV index
7
High
Sunrise
06:20
Sunset 18:01
Day length
11 h 41 min
Moon
First quarter
51% illuminated

Updated: · Source: Open-Meteo

Forecast for Puerto Rico on Sunday, October 18, 2026: light showers, with a high of 29°C and a low of 20°C. The chance of rain is 100%, with 5.5 mm of precipitation expected in total. Wind from the southeast at up to 7 km/h. Sunrise is at 06:20 and sunset at 18:01; day length 11 h 41 min. 2° warmer than 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. 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 (7): sunscreen, a hat and sunglasses are recommended.

Tomorrow will be 2° warmer than today.

Sunday, October 18: hour by hour

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  20. 19:0021°41%
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Weather nearby on October 18

Frequently asked questions

Will it rain in Puerto Rico on Sunday, October 18, 2026?
Yes, the chance of rain is 100%, with 5.5 mm of rain expected in total.
What will the temperature be in Puerto Rico on Sunday, October 18, 2026?
A high of 29°C and a low of 20°C are expected. Conditions: light showers.
What time are sunrise and sunset in Puerto Rico on October 18, 2026?
Sunrise is at 06:20 and sunset at 18:01 (local time); day length 11 h 41 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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