worldweather32°Cexceptionally warm
usually 29°C–31°C
warmer than 96% of similar days
night: exceptionally warm
rain: typical rainfall
wind: typical
Weather in Puerto Rico - today, tomorrow and 14-day forecast
Right now temperatures across Puerto Rico range from 30° to 33°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.
Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.
Weather in Puerto Rico's cities today
🌧️Carolina
33°💧 0.5 mm
🌧️Caguas
33°💧 0.6 mm
🌧️San Juan
32°💧 0.1 mm
🌧️Mayagueez
32°💧 1.9 mm
🌧️Arecibo
32°💧 7.5 mm
🌧️Guayama
32°💧 2 mm
🌧️Fajardo
32°💧 4.5 mm
🌧️Humacao
32°💧 4.7 mm
🌧️Ponce
31°💧 1.1 mm
🌧️Yauco
30°💧 0.9 mm
Weather map - today's temperatures
Next days in Puerto Rico
today🌧️
32°💧 1.5 mm
Sun🌧️
32°💧 0.8 mm
Mon🌧️
32°💧 1.6 mm
Tue🌧️
31°💧 2.8 mm
Wed🌧️
30°💧 4.8 mm
Thu🌧️
31°💧 2.3 mm
Fri🌧️
31°💧 1 mm
Sat🌧️
31°💧 0.8 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Sunday 6 Sept in Puerto Rico, the forecast high is 32°C. Typical daytime temperatures at this time of year range from 29°C to 31°C, so it will be exceptionally warm. It is warmer than 98% of similar days.
32°Cexceptionally warm
usually 29°C–31°C
warmer than 98% of similar days
night: exceptionally warm
rain: less rain than usual
wind: typical
32°Cexceptionally warm
usually 29°C–31°C
warmer than 96% of similar days
night: exceptionally warm
rain: less rain than usual
wind: typical
31°Cwarmer than usual
usually 29°C–31°C
warmer than 87% of similar days
night: cooler than usual
rain: typical rainfall
wind: stronger than usual
30°Cnear normal
usually 29°C–31°C
night: near normal
rain: more rain than usual
wind: stronger than usual
31°Cwarmer than usual
usually 29°C–31°C
warmer than 87% of similar days
night: exceptionally warm
rain: typical rainfall
wind: stronger than usual
31°Cwarmer than usual
usually 29°C–31°C
warmer than 79% of similar days
night: exceptionally warm
rain: less rain than usual
wind: stronger than usual
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 30°C by day. The coolest year was 1988 (29°C) and the warmest was 2023 (32°C). The current forecast averages 31°C - higher than in 93% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Puerto Rico
Puerto Rico 30 & 45-day weather - long-range outlook
Next 15 days · forecast
31°
around 26° at night · days with rain: 12
Weeks 3-4 · avg for September
32°
around 26° at night · rain chance 45%
Weeks 5-7 · avg for October
32°
around 26° at night · rain chance 49%
The 30 & 45-day outlook for Puerto Rico: the next 15 days are a numerical forecast updated daily - on average 31° by day and 26° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 32° in October. Forecasts beyond two weeks are indicative only.
Today vs the next days - Puerto Rico cities
| City | Today | +3 days | +7 days | Rain today |
|---|---|---|---|---|
| 🌧️ Carolina | 33℃ | 31℃ | 31℃ | 0.5 mm |
| 🌧️ Caguas | 33℃ | 31℃ | 32℃ | 0.6 mm |
| 🌧️ San Juan | 32℃ | 31℃ | 32℃ | 0.1 mm |
| 🌧️ Mayagueez | 32℃ | 31℃ | 31℃ | 1.9 mm |
| 🌧️ Arecibo | 32℃ | 31℃ | 32℃ | 7.5 mm |
| 🌧️ Guayama | 32℃ | 29℃ | 30℃ | 2 mm |
| 🌧️ Fajardo | 32℃ | 28℃ | 29℃ | 4.5 mm |
| 🌧️ Humacao | 32℃ | 29℃ | 30℃ | 4.7 mm |
| 🌧️ Ponce | 31℃ | 32℃ | 31℃ | 1.1 mm |
| 🌧️ Yauco | 30℃ | 33℃ | 32℃ | 0.9 mm |
Day-by-day forecast for Puerto Rico
Saturday5 September 2026
🌧️32°light rain
Sunday6 September 2026
🌧️32°light rain
Monday7 September 2026
🌧️32°light rain
Tuesday8 September 2026
🌧️31°moderate rain
Wednesday9 September 2026
🌧️30°light rain
Thursday10 September 2026
🌧️31°light rain
Friday11 September 2026
🌧️31°light rain
Saturday12 September 2026
🌧️31°light rain
Sunday13 September 2026
🌧️31°light rain
Monday14 September 2026
🌧️31°light rain
Tuesday15 September 2026
🌧️31°moderate rain
Wednesday16 September 2026
🌧️30°moderate rain
Thursday17 September 2026
🌧️31°light rain
Friday18 September 2026
🌧️29°light rain
Saturday19 September 2026
🌧️31°moderate rain
Sea temperature - Puerto Rico
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Mayagueez | 31℃ | 31℃ | 0.3 m | very warm |
| Guayama | 30℃ | 30℃ | 0.5 m | very warm |
| Fajardo | 30℃ | 30℃ | 0.6 m | very warm |
| Ponce | 30℃ | 30℃ | 0.5 m | very warm |
| Yauco | 30℃ | 30℃ | 0.5 m | very warm |
| Humacao | 30℃ | 30℃ | 0.6 m | very warm |
| Arecibo | 29℃ | 30℃ | - | very warm |
| San Juan | 29℃ | 29℃ | 0.5 m | very warm |
| Carolina | 29℃ | 29℃ | 0.5 m | very warm |
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Puerto Rico
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Carolina | 6.3 | 19.9 | very good |
| San Juan | 6.3 | 19.9 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-04, 21:00).
Puerto Rico weather through the year
Puerto Rico weather month by month - when is the best time to go?
Weather in other countries in Caribbean
Public holidays in Puerto Rico - when are the long weekends?
Next long weekend in Puerto Rico: Labour Day (7 September, Monday) - Saturday–Monday (3 days off).
2026
7 SeptemberMonday
Labour Day
long weekend12 OctoberMonday
Columbus Day
long weekend11 NovemberWednesday
Veterans Day
19 NovemberThursday
Discovery of Puerto Rico
long weekend + bridge day26 NovemberThursday
Thanksgiving Day
long weekend + bridge day24 DecemberThursday
Christmas Eve
long weekend + bridge day25 DecemberFriday
Christmas Day
long weekend2027
1 JanuaryFriday
New Year's Day
long weekend6 JanuaryWednesday
Three Kings Day / Epiphany
11 JanuaryMonday
Birthday of Eugenio María de Hostos
long weekend18 JanuaryMonday
Martin Luther King, Jr. Day
long weekend15 FebruaryMonday
Presidents' Day
long weekendPublic holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave. Lunar holiday dates marked as tentative may shift by one day after the official announcement.
Calendar sources
FAQ - Puerto Rico weather
What is the weather like in Puerto Rico today?
Today it is about 32° during the day and 27° at night, light rain.
How far ahead can I check the forecast for Puerto Rico?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.