Cities / Uruguay / Colonia

11°

☀️ San Juan weather

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

Feels like 8° Wind 16 km/h N Humidity 48% UV 2 Air Good ☀ 07:00 - 18:36

Right now it is 11° in San Juan with clear skies, it feels more like 8° and today's high is 13° with an overnight low of -0°. The sun rises at 07:00 and sets at 18:36, giving 11h 36m of daylight. Over the coming week highs range from 10° to 21°.

San Juan is in Colonia, Uruguay, sitting 18 m above sea level. Local time is America/Montevideo (UTC−3), and every time on this page is shown in it.

Next 24 hours - temperature

3° 9° 14° 13° 3° 12:00 · 10.5° · 0 mm 13:00 · 11.5° · 0 mm 14:00 · 12.2° · 0 mm 15:00 · 12.5° · 0 mm 16:00 · 12.4° · 0 mm 17:00 · 11.7° · 0 mm 18:00 · 9.7° · 0 mm 19:00 · 6.8° · 0 mm 20:00 · 5.7° · 0 mm 21:00 · 4.9° · 0 mm 22:00 · 4.5° · 0 mm 23:00 · 4.3° · 0 mm 00:00 · 4.1° · 0 mm 01:00 · 3.9° · 0 mm 02:00 · 3.6° · 0 mm 03:00 · 3.4° · 0 mm 04:00 · 3.1° · 0 mm 05:00 · 3.1° · 0 mm 06:00 · 3° · 0 mm 07:00 · 3.1° · 0 mm 08:00 · 4.9° · 0 mm 09:00 · 8.6° · 0 mm 10:00 · 11.2° · 0 mm 11:00 · 13.1° · 0 mm

Precipitation

12:00 · 0 mm 12:00 13:00 · 0 mm 14:00 · 0 mm 15:00 · 0 mm 15:00 16:00 · 0 mm 17:00 · 0 mm 18:00 · 0 mm 18:00 19:00 · 0 mm 20:00 · 0 mm 21:00 · 0 mm 21:00 22:00 · 0 mm 23:00 · 0 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 09:00 · 0 mm 09:00 10:00 · 0 mm 11:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
12:00 ☀️ 10.5° 5.5° - Clear sky
13:00 ☀️ 11.5° 6.5° - Clear sky
14:00 ☀️ 12.2° 7.3° - Clear sky
15:00 ☀️ 12.5° 7.5° - Clear sky
16:00 ☀️ 12.4° 7.3° - Clear sky
17:00 ☀️ 11.7° 6.9° - Clear sky
18:00 ☀️ 9.7° 6.3° - Clear sky
19:00 ☀️ 6.8° 3.2° - Clear sky
20:00 ☀️ 5.7° 1.9° - Clear sky
21:00 ☀️ 4.9° 0.9° - Clear sky
22:00 ☀️ 4.5° 0.7° - Clear sky
23:00 ☀️ 4.3° 0.4° - Clear sky

Next 16 days

Today☀️ 13°-0° Tue 8☀️ 16°3° Wed 9☁️ 18°7° Thu 10☀️ 21°8° Fri 11🌦️ 14°11°2mm Sat 12☁️ 10°8°0.4mm Sun 13☁️ 12°4° Mon 14☁️ 14°8° Tue 15☁️ 16°6° Wed 16☀️ 18°5° Thu 17☀️ 17°6° Fri 18☀️ 18°5° Sat 19⛅ 22°7° Sun 20🌤️ 24°11° Mon 21☀️ 26°14° Tue 22🌦️ 24°15°2.1mm
☀️ TodaySeptember 7th Avg 6° Low -0° at 07:00 High 13° at 15:00 Feels 7° Wind ~17 km/h
Clear
00:00 2°
02:00 1°
04:00 1°
06:00 0°
08:00 2°
10:00 8°
12:00 11°
14:00 12°
16:00 12°
18:00 10°
20:00 6°
22:00 5°
☀️ TuesdaySeptember 8th Avg 9° Low 3° at 06:00 High 16° at 15:00 Feels 13° Wind ~15 km/h
Clear
00:00 4°
02:00 4°
04:00 3°
06:00 3°
08:00 5°
10:00 11°
12:00 14°
14:00 16°
16:00 16°
18:00 14°
20:00 9°
22:00 8°
☁️ WednesdaySeptember 9th Avg 11° Low 7° at 05:00 High 18° at 16:00 Feels 16° Wind ~12 km/h
Clear Cloudy Clear
00:00 7°
02:00 7°
04:00 7°
06:00 7°
08:00 9°
10:00 13°
12:00 16°
14:00 18°
16:00 18°
18:00 16°
20:00 11°
22:00 10°
☀️ ThursdaySeptember 10th Avg 13° Low 8° at 07:00 High 21° at 15:00 Feels 18° Wind ~18 km/h
Clear Cloudy
00:00 9°
02:00 9°
04:00 8°
06:00 8°
08:00 9°
10:00 15°
12:00 19°
14:00 20°
16:00 21°
18:00 16°
20:00 11°
22:00 12°
🌦️ FridaySeptember 11th Avg 12° Low 11° at 23:00 High 14° at 12:00 2 mm rain Feels 11° Wind ~33 km/h
Cloudy Rain Cloudy Rain
00:00 12°
02:00 13°
04:00 11°
06:00 12°
08:00 13°
10:00 13° 0.5mm
12:00 14° 0.1mm
14:00 13° 0.2mm
16:00 14°
18:00 13°
20:00 12° 0.1mm
22:00 11°
☁️ SaturdaySeptember 12th Avg 9° Low 8° at 22:00 High 10° at 00:00 0.4 mm rain Feels 4° Wind ~31 km/h
Rain Cloudy
00:00 10° 0.1mm
02:00 10° 0.1mm
04:00 9°
06:00 9°
08:00 9°
10:00 9°
12:00 9°
14:00 10°
16:00 10°
18:00 9°
20:00 8°
22:00 8°
☁️ SundaySeptember 13th Avg 9° Low 4° at 06:00 High 12° at 13:00 Feels 8° Wind ~15 km/h
Cloudy Partly Cloudy Cloudy
00:00 8°
02:00 7°
04:00 5°
06:00 4°
08:00 7°
10:00 10°
12:00 12°
14:00 12°
16:00 11°
18:00 10°
20:00 9°
22:00 8°
☁️ MondaySeptember 14th Avg 10° Low 8° at 01:00 High 14° at 12:00 Feels 12° Wind ~11 km/h
Cloudy Partly Cloudy
00:00 8°
02:00 8°
04:00 8°
06:00 8°
08:00 9°
10:00 11°
12:00 14°
14:00 13°
16:00 12°
18:00 12°
20:00 10°
22:00 8°
☁️ TuesdaySeptember 15th Avg 11° Low 6° at 04:00 High 16° at 14:00 Feels 10° Wind ~27 km/h
Clear Cloudy
00:00 8°
02:00 7°
04:00 6°
06:00 7°
08:00 9°
10:00 12°
12:00 15°
14:00 16°
16:00 15°
18:00 13°
20:00 12°
22:00 10°
☀️ WednesdaySeptember 16th Avg 11° Low 5° at 05:00 High 18° at 15:00 Feels 13° Wind ~17 km/h
Clear
00:00 7°
02:00 6°
04:00 5°
06:00 5°
08:00 9°
10:00 13°
12:00 16°
14:00 18°
16:00 17°
18:00 15°
20:00 12°
22:00 10°
☀️ ThursdaySeptember 17th Avg 11° Low 6° at 05:00 High 17° at 14:00 Feels 13° Wind ~18 km/h
Clear
00:00 9°
02:00 8°
04:00 7°
06:00 6°
08:00 9°
10:00 13°
12:00 16°
14:00 17°
16:00 16°
18:00 12°
20:00 9°
22:00 7°
☀️ FridaySeptember 18th Avg 11° Low 5° at 04:00 High 18° at 14:00 Feels 13° Wind ~25 km/h
Clear Cloudy
00:00 6°
02:00 5°
04:00 5°
06:00 6°
08:00 9°
10:00 13°
12:00 17°
14:00 18°
16:00 17°
18:00 14°
20:00 11°
22:00 9°
⛅ SaturdaySeptember 19th Avg 14° Low 7° at 05:00 High 22° at 15:00 Feels 20° Wind ~17 km/h
Cloudy Clear
00:00 10°
02:00 9°
04:00 8°
06:00 8°
08:00 11°
10:00 15°
12:00 19°
14:00 21°
16:00 21°
18:00 19°
20:00 16°
22:00 13°
🌤️ SundaySeptember 20th Avg 17° Low 11° at 05:00 High 24° at 15:00 Feels 22° Wind ~13 km/h
Clear Clear
00:00 13°
02:00 12°
04:00 11°
06:00 11°
08:00 14°
10:00 18°
12:00 22°
14:00 24°
16:00 23°
18:00 21°
20:00 17°
22:00 15°
☀️ MondaySeptember 21st Avg 19° Low 14° at 05:00 High 26° at 15:00 Wind ~20 km/h
Partly Cloudy Clear
00:00 15°
02:00 14°
04:00 14°
06:00 14°
08:00 17°
10:00 21°
12:00 25°
14:00 26°
16:00 26°
18:00 24°
20:00 20°
22:00 18°
🌦️ TuesdaySeptember 22nd Avg 19° Low 15° at 22:00 High 24° at 16:00 2.1 mm rain Wind ~28 km/h
Partly Cloudy Rain Cloudy Clear Rain
00:00 18°
02:00 17°
04:00 17°
06:00 17°
08:00 18° 0.2mm
10:00 18°
12:00 17°
14:00 22°
16:00 24°
18:00 23°
20:00 18° 0.5mm
22:00 15°

Sun

☀️ Sunrise 07:00 · Sunset 18:36

11h 36m of daylight · America/Montevideo

Air quality

PM2.5 7 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Paso de Antolín · 1.5 km El Cuadro · 7.3 km Paso de la Horqueta · 8.4 km San Pedro Norte · 9.2 km San Pedro · 10.3 km Minas de Narancio · 11.4 km

Tools for San Juan

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

Common questions about San Juan weather

Will it rain in San Juan today?

No rain is in the forecast for San Juan today.

What is the temperature in San Juan right now?

It is 11° in San Juan right now, though it feels closer to 8°. Today runs between a low of -0° and a high of 13°.

What time is sunrise and sunset in San Juan?

The sun rises at 07:00 and sets at 18:36 local time in San Juan today, giving 11h 36m of daylight.

What is the air quality in San Juan?

PM2.5 in San Juan is currently 7 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 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.

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

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