Cities / Puerto Rico / San Juan

30°

☀️ Rio Piedras weather

Clear sky. No rain expected in the next few hours.

Feels like 35° Wind 9 km/h SE Humidity 67% UV 5 Air Good ☀ 06:10 - 18:33
⚠ Extreme Heat Warning · Severe

Extreme Heat Warning issued September 7 at 2:39AM AST until September 7 at 5:00PM AST by NWS San Juan PR

Right now it is 30° in Rio Piedras with clear skies, it feels more like 35°, today's high is 34° with an overnight low of 26° and about 3.9 mm of rain is expected. The sun rises at 06:10 and sets at 18:33, giving 12h 23m of daylight. Over the coming week highs range from 32° to 33° - a steady stretch with little day-to-day change.

Rio Piedras is in San Juan, Puerto Rico, sitting 33 m above sea level. Local time is America/Puerto_Rico (UTC−4), and every time on this page is shown in it.

Next 24 hours - temperature

25° 30° 35° 34° 26° 09:00 · 30.3° · 0 mm 10:00 · 32° · 0 mm 11:00 · 33° · 0 mm 12:00 · 33.7° · 0.1 mm 13:00 · 34.2° · 0 mm 14:00 · 34.4° · 0.3 mm 15:00 · 34.1° · 0.8 mm 16:00 · 32.7° · 0.4 mm 17:00 · 31.7° · 0.3 mm 18:00 · 30.2° · 0.3 mm 19:00 · 27.9° · 0.8 mm 20:00 · 27° · 0.2 mm 21:00 · 26.7° · 0.2 mm 22:00 · 26.6° · 0 mm 23:00 · 26.4° · 0.1 mm 00:00 · 26.3° · 0 mm 01:00 · 26.1° · 0 mm 02:00 · 26° · 0 mm 03:00 · 25.9° · 0 mm 04:00 · 25.9° · 0 mm 05:00 · 25.8° · 0 mm 06:00 · 25.5° · 0 mm 07:00 · 26.2° · 0 mm 08:00 · 28.1° · 0 mm

Precipitation

09:00 · 0 mm 09:00 10:00 · 0 mm 11:00 · 0 mm 12:00 · 0.1 mm 12:00 13:00 · 0 mm 14:00 · 0.3 mm 15:00 · 0.8 mm 15:00 16:00 · 0.4 mm 17:00 · 0.3 mm 18:00 · 0.3 mm 18:00 19:00 · 0.8 mm 20:00 · 0.2 mm 21:00 · 0.2 mm 21:00 22:00 · 0 mm 23:00 · 0.1 mm 00:00 · 0 mm 00:00 01:00 · 0 mm 02:00 · 0 mm 03:00 · 0 mm 03:00 04:00 · 0 mm 05:00 · 0 mm 06:00 · 0 mm 06:00 07:00 · 0 mm 08:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
09:00 ☀️ 30.3° 34.1° - Clear sky
10:00 ☀️ 32° 35.1° - Clear sky
11:00 ☀️ 33° 35.5° - Clear sky
12:00 🌦️ 33.7° 35.5° 0.1 mm Light rain
13:00 🌤️ 34.2° 35.3° - Mostly clear
14:00 🌦️ 34.4° 34.7° 0.3 mm Light rain
15:00 🌦️ 34.1° 34.5° 0.8 mm Light rain
16:00 🌦️ 32.7° 33.5° 0.4 mm Light rain
17:00 🌦️ 31.7° 33.2° 0.3 mm Light rain
18:00 🌦️ 30.2° 32.4° 0.3 mm Light rain
19:00 🌦️ 27.9° 30.9° 0.8 mm Light rain
20:00 🌦️ 27° 30.3° 0.2 mm Light rain

Next 16 days

Today🌦️ 34°26°3.9mm Tue 8☁️ 33°25° Wed 9⛅ 33°25°0.2mm Thu 10🌦️ 33°25°1.5mm Fri 11🌦️ 33°25°0.6mm Sat 12☀️ 32°25° Sun 13🌦️ 32°25°1.8mm Mon 14🌦️ 32°25°0.9mm Tue 15☁️ 33°25°0.3mm Wed 16☁️ 34°24°0.3mm Thu 17☁️ 33°25° Fri 18☁️ 34°25° Sat 19⛅ 34°25° Sun 20☁️ 34°26°0.6mm Mon 21🌦️ 33°26°0.6mm Tue 22⛅ 34°25°
🌦️ TodaySeptember 7th Avg 29° Low 26° at 05:00 High 34° at 14:00 3.9 mm rain Feels 36° Wind ~23 km/h
Cloudy Clear Rain
00:00 27°
02:00 26°
04:00 26°
06:00 26°
08:00 28°
10:00 32°
12:00 34° 0.1mm
14:00 34° 0.3mm
16:00 33° 0.4mm
18:00 30° 0.3mm
20:00 27° 0.2mm
22:00 27°
☁️ TuesdaySeptember 8th Avg 28° Low 25° at 23:00 High 33° at 13:00 Wind ~23 km/h
Cloudy
00:00 26°
02:00 26°
04:00 26°
06:00 26°
08:00 28°
10:00 31°
12:00 32°
14:00 33°
16:00 32°
18:00 29°
20:00 27°
22:00 26°
⛅ WednesdaySeptember 9th Avg 28° Low 25° at 04:00 High 33° at 13:00 0.2 mm rain Wind ~26 km/h
Clear Clear
00:00 25°
02:00 25°
04:00 25°
06:00 25°
08:00 28°
10:00 31°
12:00 32° 0.1mm
14:00 32°
16:00 31°
18:00 29°
20:00 27°
22:00 26°
🌦️ ThursdaySeptember 10th Avg 28° Low 25° at 06:00 High 33° at 13:00 1.5 mm rain Wind ~23 km/h
Clear Rain Clear
00:00 26°
02:00 26°
04:00 26°
06:00 25°
08:00 28°
10:00 31° 0.1mm
12:00 32° 0.3mm
14:00 33° 0.4mm
16:00 32°
18:00 29°
20:00 27°
22:00 26°
🌦️ FridaySeptember 11th Avg 28° Low 25° at 06:00 High 33° at 14:00 0.6 mm rain Wind ~23 km/h
Rain Cloudy Partly Cloudy Clear Cloudy
00:00 26° 0.1mm
02:00 25° 0.2mm
04:00 25° 0.1mm
06:00 25°
08:00 28°
10:00 31°
12:00 33°
14:00 33°
16:00 32°
18:00 29°
20:00 26°
22:00 25°
☀️ SaturdaySeptember 12th Avg 28° Low 25° at 03:00 High 32° at 12:00 Wind ~28 km/h
Cloudy Partly Cloudy Clear
00:00 25°
02:00 25°
04:00 25°
06:00 26°
08:00 28°
10:00 31°
12:00 32°
14:00 32°
16:00 31°
18:00 29°
20:00 27°
22:00 26°
🌦️ SundaySeptember 13th Avg 28° Low 25° at 04:00 High 32° at 13:00 1.8 mm rain Wind ~28 km/h
Clear Rain Clear Rain
00:00 26°
02:00 26°
04:00 25°
06:00 26° 0.1mm
08:00 29° 0.1mm
10:00 31° 0.1mm
12:00 32°
14:00 32°
16:00 31°
18:00 29° 0.1mm
20:00 27° 0.1mm
22:00 26° 0.3mm
🌦️ MondaySeptember 14th Avg 28° Low 25° at 04:00 High 32° at 12:00 0.9 mm rain Wind ~25 km/h
Rain Cloudy Partly Cloudy Cloudy
00:00 26° 0.2mm
02:00 26° 0.2mm
04:00 25° 0.1mm
06:00 26°
08:00 28°
10:00 31°
12:00 32°
14:00 32°
16:00 31°
18:00 29°
20:00 26°
22:00 26°
☁️ TuesdaySeptember 15th Avg 28° Low 25° at 04:00 High 33° at 13:00 0.3 mm rain Wind ~25 km/h
Rain Partly Cloudy Cloudy
00:00 26°
02:00 25°
04:00 25° 0.1mm
06:00 25°
08:00 28°
10:00 31°
12:00 33°
14:00 33°
16:00 31°
18:00 29°
20:00 26°
22:00 26°
☁️ WednesdaySeptember 16th Avg 29° Low 24° at 04:00 High 34° at 13:00 0.3 mm rain Wind ~23 km/h
Rain Partly Cloudy Clear Cloudy
00:00 26° 0.1mm
02:00 25° 0.1mm
04:00 24°
06:00 25°
08:00 28°
10:00 31°
12:00 33°
14:00 34°
16:00 32°
18:00 30°
20:00 27°
22:00 26°
☁️ ThursdaySeptember 17th Avg 28° Low 25° at 04:00 High 33° at 11:00 Wind ~22 km/h
Cloudy
00:00 26°
02:00 26°
04:00 25°
06:00 26°
08:00 28°
10:00 32°
12:00 32°
14:00 29°
16:00 29°
18:00 28°
20:00 27°
22:00 26°
☁️ FridaySeptember 18th Avg 29° Low 25° at 04:00 High 34° at 13:00 Wind ~23 km/h
Cloudy Cloudy
00:00 26°
02:00 25°
04:00 25°
06:00 26°
08:00 28°
10:00 32°
12:00 34°
14:00 34°
16:00 32°
18:00 30°
20:00 28°
22:00 27°
⛅ SaturdaySeptember 19th Avg 29° Low 25° at 04:00 High 34° at 14:00 Wind ~22 km/h
Partly Cloudy Cloudy Partly Cloudy Clear Partly Cloudy
00:00 26°
02:00 26°
04:00 25°
06:00 26°
08:00 28°
10:00 32°
12:00 34°
14:00 34°
16:00 33°
18:00 30°
20:00 27°
22:00 26°
☁️ SundaySeptember 20th Avg 29° Low 26° at 00:00 High 34° at 13:00 0.6 mm rain Wind ~23 km/h
Rain Clear Partly Cloudy Cloudy
00:00 26° 0.1mm
02:00 26° 0.1mm
04:00 26° 0.1mm
06:00 27°
08:00 29°
10:00 32°
12:00 34°
14:00 34°
16:00 33°
18:00 30°
20:00 27°
22:00 26°
🌦️ MondaySeptember 21st Avg 29° Low 26° at 04:00 High 33° at 12:00 0.6 mm rain Wind ~24 km/h
Cloudy Rain Partly Cloudy Rain Cloudy
00:00 26°
02:00 26°
04:00 26°
06:00 27° 0.1mm
08:00 29° 0.1mm
10:00 32°
12:00 33° 0.1mm
14:00 32° 0.1mm
16:00 32°
18:00 30°
20:00 27°
22:00 26°
⛅ TuesdaySeptember 22nd Avg 28° Low 25° at 04:00 High 34° at 13:00 Wind ~24 km/h
Partly Cloudy Cloudy Partly Cloudy Cloudy
00:00 26°
02:00 25°
04:00 25°
06:00 26°
08:00 28°
10:00 31°
12:00 33°
14:00 33°
16:00 32°
18:00 29°
20:00 26°
22:00 26°

Sun

☀️ Sunrise 06:10 · Sunset 18:33

12h 23m of daylight · America/Puerto_Rico

Air quality

PM2.5 4 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Venezuela · 0.5 km Central Vannia (historical) · 0.5 km Buen Consejo · 0.6 km Delicias · 0.7 km Basilo Davila · 0.8 km Santa Rita · 0.9 km

Tools for Rio Piedras

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Rio Piedras weather

Will it rain in Rio Piedras today?

Yes - about 3.9 mm of rain is expected in Rio Piedras today.

What is the temperature in Rio Piedras right now?

It is 30° in Rio Piedras right now, though it feels closer to 35°. Today runs between a low of 26° and a high of 34°.

What time is sunrise and sunset in Rio Piedras?

The sun rises at 06:10 and sets at 18:33 local time in Rio Piedras today, giving 12h 23m of daylight.

What is the air quality in Rio Piedras?

PM2.5 in Rio Piedras is currently 4 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Rio Piedras forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Rio Piedras best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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