weathermetro
Cities / Mexico
/ Nuevo León
☁️ San Juan weather
Overcast. .
Feels like 15° Wind 18 km/h NE Humidity 74% Pressure 1010 hPa UV 0 Air Good ☀ 06:22 - 18:57
Right now it is 17° in San Juan with overcast skies, today's high is 28° with an overnight low of 13° and about 5.5 mm of rain is expected. The sun rises at 06:22 and sets at 18:57, giving 12h 35m of daylight. Over the coming week highs range from 18° to 26° .
San Juan is in Nuevo León, Mexico, sitting 1,884 m above sea level. Local time is America/Monterrey (UTC−6), and every time on this page is shown in it.
Next 24 hours - temperature
15°
21°
27°
26°
15°
21:00 · 16.8° · 0 mm
22:00 · 16.6° · 0 mm
23:00 · 16.2° · 0 mm
00:00 · 16.2° · 0 mm
01:00 · 16.1° · 0 mm
02:00 · 15.4° · 0 mm
03:00 · 15.2° · 0 mm
04:00 · 15.5° · 0 mm
05:00 · 15.6° · 0.7 mm
06:00 · 15.7° · 0 mm
07:00 · 15.9° · 0 mm
08:00 · 17° · 0 mm
09:00 · 18.8° · 0 mm
10:00 · 20.5° · 0 mm
11:00 · 22.8° · 0 mm
12:00 · 24.9° · 0 mm
13:00 · 26.4° · 0 mm
14:00 · 20.5° · 5.8 mm
15:00 · 17° · 1.4 mm
16:00 · 17.6° · 0 mm
17:00 · 18° · 0 mm
18:00 · 17.9° · 0 mm
19:00 · 17.2° · 0 mm
20:00 · 17.1° · 0 mm
Precipitation
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 · 0.7 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
12:00 · 0 mm
12:00
13:00 · 0 mm
14:00 · 5.8 mm
15:00 · 1.4 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
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
21:00
☁️
16.8°
13.9°
-
Overcast
22:00
☁️
16.6°
12.6°
-
Overcast
23:00
☁️
16.2°
14.3°
-
Overcast
00:00
☁️
16.2°
15.3°
-
Overcast
01:00
☁️
16.1°
17.1°
-
Overcast
02:00
🌤️
15.4°
15.9°
-
Mostly clear
03:00
☁️
15.2°
16°
-
Overcast
04:00
☁️
15.5°
16.5°
-
Overcast
05:00
🌦️
15.6°
16.1°
0.7 mm
Light rain
06:00
☁️
15.7°
15.8°
-
Overcast
07:00
☁️
15.9°
16.8°
-
Overcast
08:00
⛅
17°
17.4°
-
Partly cloudy
🌧️
TodaySeptember 3rd
Avg 18° Low 13° at 06:00
High 28° at 13:00
5.5 mm rain Wind ~32 km/h
Clear
Rain
Cloudy
00:00
16°
02:00
15°
04:00
14°
06:00
13°
08:00
16°
10:00
22°
12:00
27°
14:00
21°
4.7mm
16:00
19°
0.4mm
18:00
18°
20:00
17°
22:00
17°
🌧️
FridaySeptember 4th
Avg 18° Low 15° at 03:00
High 26° at 13:00
7.9 mm rain Feels 24° Wind ~28 km/h
Clear
Cloudy
00:00
16°
02:00
15°
04:00
16°
06:00
16°
08:00
17°
10:00
21°
12:00
25°
14:00
21°
5.8mm
16:00
18°
18:00
18°
20:00
17°
22:00
16°
🌧️
SaturdaySeptember 5th
Avg 18° Low 15° at 03:00
High 24° at 14:00
4.7 mm rain Wind ~24 km/h
Cloudy
Rain
00:00
16°
02:00
15°
04:00
15°
06:00
15°
08:00
16°
10:00
18°
12:00
22°
14:00
24°
16:00
20°
18:00
18°
1.5mm
20:00
17°
0.1mm
22:00
16°
🌧️
SundaySeptember 6th
Avg 16° Low 14° at 23:00
High 18° at 09:00
15.9 mm rain Wind ~13 km/h
Rain
Cloudy
Rain
Cloudy
00:00
15°
5.1mm
02:00
16°
0.1mm
04:00
17°
06:00
17°
0.3mm
08:00
18°
0.2mm
10:00
17°
0.2mm
12:00
17°
0.2mm
14:00
17°
16:00
16°
18:00
16°
20:00
15°
22:00
15°
0.2mm
🌧️
MondaySeptember 7th
Avg 17° Low 14° at 00:00
High 22° at 14:00
16.3 mm rain Feels 20° Wind ~24 km/h
Cloudy
Rain
Rain
00:00
14°
1.8mm
02:00
15°
04:00
15°
06:00
15°
08:00
17°
10:00
20°
12:00
22°
0.5mm
14:00
22°
0.3mm
16:00
19°
1.4mm
18:00
18°
2mm
20:00
16°
2.9mm
22:00
16°
0.9mm
🌧️
TuesdaySeptember 8th
Avg 17° Low 14° at 06:00
High 22° at 12:00
8.3 mm rain Feels 20° Wind ~23 km/h
Cloudy
Cloudy
Rain
00:00
15°
02:00
15°
04:00
15°
06:00
14°
08:00
17°
10:00
20°
12:00
22°
0.5mm
14:00
21°
1.4mm
16:00
20°
0.9mm
18:00
18°
0.9mm
20:00
17°
0.3mm
22:00
16°
🌦️
WednesdaySeptember 9th
Avg 17° Low 14° at 03:00
High 23° at 15:00
2.9 mm rain Feels 19° Wind ~29 km/h
Cloudy
Rain
00:00
15°
02:00
14°
04:00
14°
06:00
16°
08:00
17°
10:00
19°
12:00
20°
14:00
22°
0.1mm
16:00
22°
0.2mm
18:00
19°
0.2mm
20:00
16°
0.6mm
22:00
15°
0.1mm
🌦️
ThursdaySeptember 10th
Avg 18° Low 14° at 05:00
High 24° at 15:00
1.9 mm rain Feels 22° Wind ~19 km/h
Cloudy
Rain
00:00
15°
0.1mm
02:00
14°
04:00
14°
06:00
14°
08:00
16°
10:00
19°
12:00
21°
14:00
23°
16:00
23°
0.5mm
18:00
20°
0.5mm
20:00
18°
0.1mm
22:00
16°
🌧️
FridaySeptember 11th
Avg 18° Low 15° at 05:00
High 22° at 15:00
7.7 mm rain Wind ~17 km/h
Cloudy
Rain
00:00
16°
02:00
16°
04:00
15°
06:00
15°
08:00
17°
10:00
19°
12:00
20°
14:00
22°
16:00
21°
1mm
18:00
19°
1mm
20:00
17°
0.9mm
22:00
17°
1mm
🌧️
SaturdaySeptember 12th
Avg 17° Low 15° at 04:00
High 21° at 12:00
17.6 mm rain Wind ~20 km/h
Rain
Cloudy
Rain
00:00
16°
1mm
02:00
16°
1.1mm
04:00
15°
0.2mm
06:00
16°
0.2mm
08:00
16°
10:00
18°
12:00
21°
14:00
21°
0.7mm
16:00
19°
1.6mm
18:00
17°
1.6mm
20:00
17°
1.4mm
22:00
17°
0.8mm
🌦️
SundaySeptember 13th
Avg 16° Low 15° at 03:00
High 17° at 16:00
1.4 mm rain Wind ~10 km/h
Rain
Cloudy
Rain
Cloudy
Partly Cloudy
Cloudy
00:00
17°
0.8mm
02:00
16°
0.1mm
04:00
15°
06:00
16°
08:00
17°
10:00
17°
0.1mm
12:00
16°
0.1mm
14:00
17°
16:00
17°
18:00
17°
20:00
16°
22:00
16°
🌦️
MondaySeptember 14th
Avg 17° Low 14° at 23:00
High 22° at 15:00
0.6 mm rain Feels 18° Wind ~26 km/h
Cloudy
Rain
Clear
00:00
16°
02:00
16°
04:00
16°
06:00
16°
08:00
16°
10:00
16°
12:00
18°
14:00
21°
0.1mm
16:00
21°
0.1mm
18:00
18°
0.1mm
20:00
16°
22:00
15°
☀️
TuesdaySeptember 15th
Avg 17° Low 13° at 05:00
High 22° at 14:00
Feels 17° Wind ~31 km/h
Partly Cloudy
Clear
Cloudy
00:00
14°
02:00
14°
04:00
13°
06:00
13°
08:00
16°
10:00
19°
12:00
22°
14:00
22°
16:00
21°
18:00
19°
20:00
17°
22:00
15°
☀️
WednesdaySeptember 16th
Avg 17° Low 14° at 05:00
High 22° at 13:00
Feels 16° Wind ~34 km/h
Cloudy
Partly Cloudy
Clear
00:00
15°
02:00
14°
04:00
14°
06:00
14°
08:00
17°
10:00
20°
12:00
22°
14:00
22°
16:00
20°
18:00
17°
20:00
15°
22:00
14°
☀️
ThursdaySeptember 17th
Avg 17° Low 12° at 05:00
High 22° at 13:00
Feels 17° Wind ~31 km/h
Clear
Clear
00:00
14°
02:00
13°
04:00
13°
06:00
12°
08:00
16°
10:00
19°
12:00
22°
14:00
22°
16:00
21°
18:00
19°
20:00
16°
22:00
14°
☀️
FridaySeptember 18th
Avg 17° Low 12° at 05:00
High 23° at 13:00
Feels 20° Wind ~29 km/h
Clear
00:00
14°
02:00
13°
04:00
13°
06:00
12°
08:00
16°
10:00
19°
12:00
23°
14:00
23°
16:00
22°
18:00
19°
20:00
17°
22:00
15°
Sun
☀️ Sunrise 06:22 · Sunset 18:57
12h 35m of daylight · America/Monterrey
Air quality
PM2.5 8.7 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about San Juan weather
Will it rain in San Juan today?
Yes - about 5.5 mm of rain is expected in San Juan today.
What is the temperature in San Juan right now?
It is 17° in San Juan right now, though it feels closer to 15° . Today runs between a low of 13° and a high of 28° .
What time is sunrise and sunset in San Juan?
The sun rises at 06:22 and sets at 18:57 local time in San Juan today, giving 12h 35m of daylight.
What is the air quality in San Juan?
PM2.5 in San Juan is currently 8.7 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.
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
weathermetro A HatchSquare product. Weather for every place on Earth - free to read, free to build on, priced only when you need scale.
© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC