Cities / Peru / San Martín Department

35°

☀️ San Juan weather

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

Feels like 40° Wind 5 km/h NE Humidity 38% UV 2 Air Moderate 06:06 - 18:05

Right now it is 35° in San Juan with clear skies, it feels more like 40°, today's high is 37° with an overnight low of 21° and about 2.1 mm of rain is expected. The sun rises at 06:06 and sets at 18:05, giving 11h 59m of daylight. Over the coming week highs range from 23° to 38°.

San Juan is in San Martín Department, Peru, sitting 259 m above sea level. Local time is America/Lima (UTC−5), and every time on this page is shown in it.

Next 24 hours - temperature

19° 29° 38° 37° 20° 11:00 · 34.2° · 0 mm 12:00 · 35.4° · 0 mm 13:00 · 36.4° · 0 mm 14:00 · 37° · 0 mm 15:00 · 37.2° · 0 mm 16:00 · 36.2° · 0 mm 17:00 · 29.4° · 0 mm 18:00 · 26.5° · 0 mm 19:00 · 24° · 0.2 mm 20:00 · 23.8° · 0 mm 21:00 · 21.5° · 1 mm 22:00 · 21.8° · 0.1 mm 23:00 · 21.5° · 0.8 mm 00:00 · 20.9° · 0.6 mm 01:00 · 20.7° · 0.2 mm 02:00 · 20.6° · 0 mm 03:00 · 20.4° · 0 mm 04:00 · 20.2° · 0 mm 05:00 · 19.9° · 0 mm 06:00 · 19.8° · 0 mm 07:00 · 20.7° · 0 mm 08:00 · 22.4° · 0.1 mm 09:00 · 25.8° · 0 mm 10:00 · 29.9° · 0 mm

Precipitation

11:00 · 0 mm 11:00 12:00 · 0 mm 13:00 · 0 mm 14:00 · 0 mm 14:00 15:00 · 0 mm 16:00 · 0 mm 17:00 · 0 mm 17:00 18:00 · 0 mm 19:00 · 0.2 mm 20:00 · 0 mm 20:00 21:00 · 1 mm 22:00 · 0.1 mm 23:00 · 0.8 mm 23:00 00:00 · 0.6 mm 01:00 · 0.2 mm 02:00 · 0 mm 02:00 03:00 · 0 mm 04:00 · 0 mm 05:00 · 0 mm 05:00 06:00 · 0 mm 07:00 · 0 mm 08:00 · 0.1 mm 08:00 09:00 · 0 mm 10:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
11:00 ☀️ 34.2° 36.7° - Clear sky
12:00 ☀️ 35.4° 37.2° - Clear sky
13:00 ☀️ 36.4° 37.7° - Clear sky
14:00 🌤️ 37° 38° - Mostly clear
15:00 ☀️ 37.2° 37.8° - Clear sky
16:00 ☁️ 36.2° 36.6° - Overcast
17:00 ☁️ 29.4° 29.8° - Overcast
18:00 ☁️ 26.5° 28.8° - Overcast
19:00 🌦️ 24° 26.5° 0.2 mm Light rain
20:00 ☁️ 23.8° 26.6° - Overcast
21:00 🌧️ 21.5° 24.6° 1 mm Rain
22:00 🌦️ 21.8° 25.7° 0.1 mm Light rain

Next 16 days

🌧️ TodaySeptember 1st Avg 27° Low 21° at 06:00 High 37° at 15:00 2.1 mm rain Wind ~13 km/h
Cloudy Clear Cloudy Rain
00:00 23°
02:00 22°
04:00 21°
06:00 21°
08:00 26°
10:00 32°
12:00 35°
14:00 37°
16:00 36°
18:00 27°
20:00 24°
22:00 22° 0.1mm
🌦️ WednesdaySeptember 2nd Avg 26° Low 20° at 06:00 High 37° at 14:00 0.9 mm rain Wind ~13 km/h
Clear
00:00 21° 0.6mm
02:00 21°
04:00 20°
06:00 20°
08:00 22° 0.1mm
10:00 30°
12:00 35°
14:00 37°
16:00 31°
18:00 26°
20:00 24°
22:00 23°
☀️ ThursdaySeptember 3rd Avg 27° Low 19° at 06:00 High 37° at 14:00 0.2 mm rain Wind ~7 km/h
Clear
00:00 22°
02:00 20°
04:00 20°
06:00 19°
08:00 24°
10:00 31°
12:00 36°
14:00 37°
16:00 37°
18:00 29°
20:00 25°
22:00 25°
☀️ FridaySeptember 4th Avg 28° Low 20° at 06:00 High 38° at 14:00 0.1 mm rain Wind ~9 km/h
Clear
00:00 25°
02:00 24°
04:00 22°
06:00 20° 0.1mm
08:00 25°
10:00 32°
12:00 37°
14:00 38°
16:00 37°
18:00 27°
20:00 23°
22:00 23°
🌧️ SaturdaySeptember 5th Avg 26° Low 21° at 05:00 High 36° at 15:00 4.9 mm rain Feels 38° Wind ~14 km/h
Rain Partly Cloudy Clear
00:00 22°
02:00 22° 0.2mm
04:00 21° 1.1mm
06:00 21° 0.6mm
08:00 23°
10:00 30°
12:00 33°
14:00 36°
16:00 32°
18:00 26°
20:00 23°
22:00 22°
🌦️ SundaySeptember 6th Avg 25° Low 20° at 23:00 High 33° at 16:00 1.5 mm rain Feels 35° Wind ~4 km/h
Clear Cloudy Cloudy Clear Rain
00:00 21°
02:00 21°
04:00 22°
06:00 22°
08:00 24°
10:00 29°
12:00 27°
14:00 28°
16:00 33°
18:00 27°
20:00 23° 0.4mm
22:00 21° 0.4mm
🌧️ MondaySeptember 7th Avg 21° Low 20° at 03:00 High 23° at 15:00 16.2 mm rain Feels 27° Wind ~4 km/h
Rain
00:00 20° 0.3mm
02:00 20° 0.6mm
04:00 20° 0.6mm
06:00 21° 1mm
08:00 21° 0.5mm
10:00 22° 0.5mm
12:00 22° 1mm
14:00 23° 0.7mm
16:00 23° 0.7mm
18:00 22° 1.1mm
20:00 21° 0.3mm
22:00 21° 0.3mm
🌦️ TuesdaySeptember 8th Avg 23° Low 20° at 05:00 High 31° at 13:00 0.6 mm rain Feels 33° Wind ~9 km/h
Cloudy Rain Clear
00:00 21°
02:00 21°
04:00 20°
06:00 20°
08:00 21°
10:00 24°
12:00 30°
14:00 31° 0.1mm
16:00 26° 0.1mm
18:00 23° 0.1mm
20:00 22°
22:00 21°
🌦️ WednesdaySeptember 9th Avg 25° Low 20° at 05:00 High 35° at 14:00 2 mm rain Feels 37° Wind ~4 km/h
Partly Cloudy Rain Clear Rain
00:00 20°
02:00 20°
04:00 20°
06:00 20° 0.2mm
08:00 23° 0.1mm
10:00 28° 0.1mm
12:00 33°
14:00 35°
16:00 33°
18:00 27° 0.1mm
20:00 23° 0.1mm
22:00 23° 0.1mm
🌦️ ThursdaySeptember 10th Avg 26° Low 20° at 06:00 High 36° at 14:00 1 mm rain Wind ~6 km/h
Clear
00:00 21° 0.5mm
02:00 20°
04:00 20°
06:00 20°
08:00 23°
10:00 30°
12:00 34°
14:00 36°
16:00 35°
18:00 29°
20:00 24°
22:00 23°
☀️ FridaySeptember 11th Avg 27° Low 20° at 04:00 High 37° at 14:00 Wind ~7 km/h
Clear
00:00 22°
02:00 21°
04:00 20°
06:00 21°
08:00 25°
10:00 32°
12:00 35°
14:00 37°
16:00 36°
18:00 29°
20:00 25°
22:00 24°
☀️ SaturdaySeptember 12th Avg 27° Low 21° at 05:00 High 38° at 15:00 0.4 mm rain Wind ~6 km/h
Clear Rain
00:00 23°
02:00 21°
04:00 21°
06:00 21°
08:00 25°
10:00 32°
12:00 36°
14:00 37°
16:00 37°
18:00 28° 0.1mm
20:00 24°
22:00 25°
🌦️ SundaySeptember 13th Avg 26° Low 20° at 05:00 High 36° at 13:00 1.5 mm rain Wind ~19 km/h
Rain Clear Rain Clear
00:00 23° 0.1mm
02:00 21° 0.2mm
04:00 20° 0.2mm
06:00 20°
08:00 24°
10:00 31°
12:00 35°
14:00 35°
16:00 32°
18:00 25° 0.2mm
20:00 21°
22:00 21°
🌧️ MondaySeptember 14th Avg 24° Low 20° at 03:00 High 36° at 13:00 11.6 mm rain Wind ~13 km/h
Cloudy Rain
00:00 21° 0.1mm
02:00 20°
04:00 20°
06:00 20°
08:00 24°
10:00 30°
12:00 35°
14:00 33° 0.2mm
16:00 24° 0.2mm
18:00 22° 0.7mm
20:00 22° 1.6mm
22:00 22° 1.6mm
🌧️ TuesdaySeptember 15th Avg 21° Low 20° at 23:00 High 21° at 00:00 53.1 mm rain Feels 25° Wind ~3 km/h
Rain
00:00 21° 3.9mm
02:00 21° 3.8mm
04:00 21° 3.8mm
06:00 21° 4.2mm
08:00 21° 3.7mm
10:00 21° 3.7mm
12:00 21° 2.8mm
14:00 21° 0.4mm
16:00 21° 0.4mm
18:00 20° 0.1mm
20:00 20° 0.1mm
22:00 20° 0.1mm
WednesdaySeptember 16th Avg 25° Low 19° at 06:00 High 33° at 14:00 Feels 35° Wind ~5 km/h
Cloudy Partly Cloudy Clear
00:00 20°
02:00 20°
04:00 19°
06:00 19°
08:00 22°
10:00 27°
12:00 31°
14:00 33°
16:00 32°
18:00 27°
20:00 23°
22:00 22°

Sun

☀️ Sunrise 06:06 · Sunset 18:05

11h 59m of daylight · America/Lima

Air quality

PM2.5 41.1 µg/m³ - Moderate

Fine for most people. If you have asthma or a heart condition, take it easier outdoors.

Source: Copernicus CAMS, updated hourly.

Nearby

Tools for San Juan

Common questions about San Juan weather

Will it rain in San Juan today?

Yes - about 2.1 mm of rain is expected in San Juan today.

What is the temperature in San Juan right now?

It is 35° in San Juan right now, though it feels closer to 40°. Today runs between a low of 21° and a high of 37°.

What time is sunrise and sunset in San Juan?

The sun rises at 06:06 and sets at 18:05 local time in San Juan today, giving 11h 59m of daylight.

What is the air quality in San Juan?

PM2.5 in San Juan is currently 41.1 µg/m³, which counts as Moderate on the European air-quality index. Fine for most people. If you have asthma or a heart condition, take it easier outdoors.

How accurate is the San Juan 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 San Juan 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.

This page is a live API demo.

Everything above came from one call to the WeatherMetro API - free tier, 100,000 calls a month.

Read the docs