Cities / Peru / San Martín Department

20°

🌦️ La Unión weather

Light rain. Light rain starting around 7:45pm.

Feels like 24° Wind 2 km/h NE Humidity 97% UV 0 Air Fair ☀ 06:10 - 18:07

Right now it is 20° in La Unión with light rain, it feels more like 24°, today's high is 22° with an overnight low of 18° and about 4.5 mm of rain is expected. The sun rises at 06:10 and sets at 18:07, giving 11h 57m of daylight. Over the coming week highs range from 24° to 36°.

La Unión is in San Martín Department, Peru, sitting 355 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° 22° 24° 24° 19° 19:00 · 20.3° · 0.2 mm 20:00 · 20.1° · 0.2 mm 21:00 · 19.9° · 0 mm 22:00 · 19.8° · 0 mm 23:00 · 19.7° · 0 mm 00:00 · 19.6° · 0 mm 01:00 · 19° · 0 mm 02:00 · 19.2° · 0 mm 03:00 · 19.2° · 0 mm 04:00 · 19.2° · 0 mm 05:00 · 19.2° · 0.1 mm 06:00 · 19.2° · 0.3 mm 07:00 · 19.3° · 0.2 mm 08:00 · 19.4° · 0.2 mm 09:00 · 19.6° · 0.2 mm 10:00 · 20° · 0.1 mm 11:00 · 20.4° · 0.1 mm 12:00 · 20.5° · 0.1 mm 13:00 · 20.5° · 0.4 mm 14:00 · 20.9° · 0.2 mm 15:00 · 22° · 0.1 mm 16:00 · 23.6° · 0 mm 17:00 · 22.9° · 0 mm 18:00 · 20.7° · 0 mm

Precipitation

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

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
19:00 🌦️ 20.3° 23.3° 0.2 mm Light rain
20:00 🌦️ 20.1° 23.3° 0.2 mm Light rain
21:00 ☁️ 19.9° 23° - Overcast
22:00 ☁️ 19.8° 22.9° - Overcast
23:00 ☁️ 19.7° 22.7° - Overcast
00:00 ☁️ 19.6° 22.7° - Overcast
01:00 ⛅ 19° 21.9° - Partly cloudy
02:00 ☁️ 19.2° 22.2° - Overcast
03:00 ☁️ 19.2° 22.5° - Overcast
04:00 ☁️ 19.2° 22.3° - Overcast
05:00 🌦️ 19.2° 22.4° 0.1 mm Light rain
06:00 🌦️ 19.2° 22.4° 0.3 mm Light rain

Next 16 days

Today🌧️ 22°18°4.5mm Tue 25🌦️ 24°18°2mm Wed 26☀️ 32°18° Thu 27☁️ 33°19° Fri 28☀️ 36°20° Sat 29☀️ 36°19° Sun 30🌧️ 36°20°4mm Mon 31🌦️ 36°19°1mm Tue 1🌧️ 34°19°13mm Wed 2🌧️ 33°20°12mm Thu 3☁️ 35°19°0.4mm Fri 4🌦️ 27°19°3.2mm Sat 5🌧️ 20°19°15mm Sun 6☁️ 30°19° Mon 7🌦️ 33°18°4mm Tue 8🌧️ 32°18°9.7mm
🌧️ TodayAugust 24th Avg 20° Low 18° at 06:00 High 22° at 15:00 4.5 mm rain Feels 24° Wind ~5 km/h
Rain Cloudy Cloudy
00:00 19° 1.2mm
02:00 19° 0.6mm
04:00 19° 0.1mm
06:00 18°
08:00 21° 0.1mm
10:00 21°
12:00 21° 0.1mm
14:00 21° 0.2mm
16:00 21°
18:00 21°
20:00 20° 0.2mm
22:00 20°
🌦️ TuesdayAugust 25th Avg 20° Low 18° at 23:00 High 24° at 16:00 2 mm rain Feels 26° Wind ~4 km/h
Cloudy Rain Clear Partly Cloudy
00:00 20°
02:00 19°
04:00 19°
06:00 19° 0.3mm
08:00 19° 0.2mm
10:00 20° 0.1mm
12:00 21° 0.1mm
14:00 21° 0.2mm
16:00 24°
18:00 21°
20:00 19°
22:00 19°
☀️ WednesdayAugust 26th Avg 24° Low 18° at 06:00 High 32° at 15:00 Wind ~8 km/h
Cloudy Clear Clear Cloudy
00:00 18°
02:00 19°
04:00 19°
06:00 18°
08:00 21°
10:00 26°
12:00 30°
14:00 32°
16:00 32°
18:00 25°
20:00 22°
22:00 22°
☁️ ThursdayAugust 27th Avg 25° Low 19° at 06:00 High 33° at 12:00 Wind ~7 km/h
Cloudy Clear Cloudy
00:00 21°
02:00 20°
04:00 20°
06:00 19°
08:00 24°
10:00 29°
12:00 33°
14:00 30°
16:00 30°
18:00 25°
20:00 23°
22:00 22°
☀️ FridayAugust 28th Avg 27° Low 20° at 06:00 High 36° at 14:00 Wind ~7 km/h
Cloudy Clear Clear Clear
00:00 23°
02:00 22°
04:00 22°
06:00 20°
08:00 25°
10:00 31°
12:00 35°
14:00 36°
16:00 35°
18:00 27°
20:00 24°
22:00 22°
☀️ SaturdayAugust 29th Avg 27° Low 19° at 06:00 High 36° at 14:00 Wind ~7 km/h
Clear Partly Cloudy Clear Partly Cloudy
00:00 22°
02:00 21°
04:00 20°
06:00 19°
08:00 25°
10:00 31°
12:00 34°
14:00 36°
16:00 35°
18:00 30°
20:00 26°
22:00 23°
🌧️ SundayAugust 30th Avg 25° Low 20° at 06:00 High 36° at 14:00 4 mm rain Wind ~10 km/h
Clear Rain Clear Rain
00:00 22°
02:00 21°
04:00 21°
06:00 20° 0.1mm
08:00 23°
10:00 31°
12:00 34°
14:00 36°
16:00 33°
18:00 25° 1mm
20:00 20° 0.2mm
22:00 20° 0.2mm
🌦️ MondayAugust 31st Avg 26° Low 19° at 03:00 High 36° at 15:00 1 mm rain Wind ~6 km/h
Clear Cloudy
00:00 19° 0.1mm
02:00 19°
04:00 19°
06:00 19°
08:00 23°
10:00 30°
12:00 34°
14:00 36°
16:00 35°
18:00 28°
20:00 24°
22:00 23°
🌧️ TuesdaySeptember 1st Avg 24° Low 19° at 03:00 High 34° at 13:00 13 mm rain Wind ~12 km/h
Rain Clear Rain Partly Cloudy
00:00 21° 0.8mm
02:00 19° 0.8mm
04:00 19° 0.8mm
06:00 19° 0.1mm
08:00 23°
10:00 29°
12:00 33°
14:00 33° 0.5mm
16:00 28° 0.5mm
18:00 23° 2.4mm
20:00 21°
22:00 21°
🌧️ WednesdaySeptember 2nd Avg 23° Low 20° at 03:00 High 33° at 14:00 12 mm rain Feels 35° Wind ~5 km/h
Rain Clear Rain
00:00 20°
02:00 20° 1.3mm
04:00 20° 1.3mm
06:00 20° 2.3mm
08:00 20° 0.2mm
10:00 22° 0.2mm
12:00 29°
14:00 33°
16:00 32°
18:00 25° 0.2mm
20:00 20°
22:00 20°
☁️ ThursdaySeptember 3rd Avg 24° Low 19° at 03:00 High 35° at 15:00 0.4 mm rain Wind ~7 km/h
Cloudy Rain
00:00 20°
02:00 19°
04:00 19°
06:00 19°
08:00 22°
10:00 27°
12:00 32°
14:00 34°
16:00 34°
18:00 25° 0.1mm
20:00 21°
22:00 22°
🌦️ FridaySeptember 4th Avg 22° Low 19° at 06:00 High 27° at 10:00 3.2 mm rain Feels 30° Wind ~4 km/h
Rain Cloudy Rain Clear
00:00 20° 0.1mm
02:00 19° 0.1mm
04:00 19° 0.1mm
06:00 19° 0.6mm
08:00 22° 0.2mm
10:00 27° 0.2mm
12:00 26°
14:00 24° 0.1mm
16:00 25° 0.1mm
18:00 23°
20:00 21°
22:00 21°
🌧️ SaturdaySeptember 5th Avg 19° Low 19° at 05:00 High 20° at 13:00 15 mm rain Feels 24° Wind ~4 km/h
Clear Rain Cloudy
00:00 20°
02:00 19°
04:00 19°
06:00 19° 0.9mm
08:00 19° 1.2mm
10:00 20° 1.2mm
12:00 20° 0.8mm
14:00 20° 1.3mm
16:00 20° 1.3mm
18:00 20° 0.8mm
20:00 19°
22:00 19°
☁️ SundaySeptember 6th Avg 22° Low 19° at 02:00 High 30° at 15:00 Wind ~5 km/h
Cloudy Clear
00:00 19°
02:00 19°
04:00 19°
06:00 19°
08:00 20°
10:00 21°
12:00 26°
14:00 29°
16:00 29°
18:00 25°
20:00 21°
22:00 21°
🌦️ MondaySeptember 7th Avg 24° Low 18° at 06:00 High 33° at 14:00 4 mm rain Feels 35° Wind ~6 km/h
Clear Rain Clear Rain
00:00 20°
02:00 19°
04:00 19°
06:00 18° 0.7mm
08:00 21° 0.1mm
10:00 27° 0.1mm
12:00 31°
14:00 33°
16:00 32°
18:00 26°
20:00 22° 0.5mm
22:00 20° 0.5mm
🌧️ TuesdaySeptember 8th Avg 23° Low 18° at 05:00 High 32° at 13:00 9.7 mm rain Wind ~6 km/h
Rain Clear Rain
00:00 19° 0.1mm
02:00 19° 1.1mm
04:00 18° 1.1mm
06:00 18° 0.4mm
08:00 21° 0.2mm
10:00 27° 0.2mm
12:00 31°
14:00 30° 0.1mm
16:00 25° 0.1mm
18:00 22° 0.1mm
20:00 21° 1mm
22:00 20° 1mm

Sun

☀️ Sunrise 06:10 · Sunset 18:07

11h 57m of daylight · America/Lima

Air quality

PM2.5 13.4 µg/m³ - Fair

Fine for almost everyone; unusually sensitive people may notice it on a long run.

Source: Copernicus CAMS, updated hourly.

Nearby

Alianza · 0.4 km Tacna · 1 km Cayaltí · 1.3 km San Antonio · 1.4 km Agua Blanca · 1.5 km Pampón · 1.5 km

Tools for La Unión

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

Common questions about La Unión weather

Will it rain in La Unión today?

Yes - about 4.5 mm of rain is expected in La Unión today.

What is the temperature in La Unión right now?

It is 20° in La Unión right now, though it feels closer to 24°. Today runs between a low of 18° and a high of 22°.

What time is sunrise and sunset in La Unión?

The sun rises at 06:10 and sets at 18:07 local time in La Unión today, giving 11h 57m of daylight.

What is the air quality in La Unión?

PM2.5 in La Unión is currently 13.4 µg/m³, which counts as Fair on the European air-quality index. Fine for almost everyone; unusually sensitive people may notice it on a long run.

How accurate is the La Unión 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 La Unión 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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