Location & Surroundings
San Antonio is a settlement in Caguas, Puerto Rico, at 54 m elevation. The nearest larger town is Caguas, 2 km to the southwest. The national capital San Juan is 26 km to the north. The nearest airport is Luis Munoz Marin International Airport, 22 km away.
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
18° 14' 37" N, 66° 1' 49" W
- Elevation 54 m (DEM: 55 m)
- Timezone America/Puerto_Rico
- Time Shift GMT -4 (DST -4)
Statistics & Country
- Pop. Density 4,040 p/km²
- Built-up 41.8%
- Settlement Urban centre
- Currency Dollar (USD)
- Phone Prefix ++1-787 and 1-939
Sun & Local Time
- Local time 20:21
- Sunrise 06:13
- Sunset 18:15
- Day length 12 h 2 min
Other populated places nearby
Nearby
Weather in San Antonio
Current conditions and a 3-day (72-hour) weather forecast for San Antonio, updated from the NOAA GFS model.
Now 32.1 C with overcast skies and a 4.9 m/s easterly wind. Next 24h: 23.5 to 32.1 C, max wind 5.4 m/s. Precip around 0.2 mm. Solar peaks near 772 W/m2.
Temperature
32.1 C
Wind
4.9 m/s E (111 deg)
Humidity
52 %
Pressure
1,014.3 hPa
Clouds
100 %
Precip
0.24 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 32.1 | 4.9 | 111 | 52 | 1,014.3 | - / 0.00 | 100 | 0.0 | n/a |
| 6h | 24.5 | 1.8 | 118 | 91 | 1,015.7 | 0.15 / 0.15 | 100 | 272.9 | n/a |
| 12h | 23.5 | 0.6 | 150 | 95 | 1,014.7 | 0.00 / 0.06 | 30 | 0.0 | n/a |
| 18h | 26.5 | 1.3 | 79 | 75 | 1,015.9 | 0.06 / 0.12 | 16 | 45.0 | n/a |
| Tomorrow | 31.9 | 5.4 | 84 | 52 | 1,013.1 | 0.12 / 0.24 | 97 | 771.8 | n/a |
| 30h | 24.3 | 1.5 | 92 | 90 | 1,014.2 | 0.00 / 0.12 | 15 | 281.3 | n/a |
| 36h | 23.1 | 1.1 | 126 | 93 | 1,013.1 | 0.24 / 0.36 | 32 | 0.0 | n/a |
| 42h | 26.4 | 3.5 | 95 | 74 | 1,014.2 | 0.07 / 0.43 | 99 | 30.6 | n/a |
| Wednesday | 31.2 | 6.0 | 92 | 54 | 1,012.2 | 0.36 / 0.78 | 8 | 753.2 | n/a |
| 54h | 23.9 | 1.6 | 118 | 89 | 1,014.4 | 0.00 / 0.48 | 57 | 291.8 | n/a |
| 60h | 23.1 | 0.8 | 101 | 92 | 1,013.6 | 0.00 / 0.30 | 33 | 0.0 | n/a |
| 66h | 26.6 | 3.1 | 106 | 75 | 1,014.7 | 0.00 / 0.12 | 33 | 20.3 | n/a |
| Thursday | 31.7 | 5.3 | 106 | 49 | 1,013.2 | 0.18 / 0.30 | 5 | 777.4 | n/a |
Source: NOAA GFS 0.25° (run 2026-09-28 18:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in San Antonio?
Now 32.1 C with overcast skies and a 4.9 m/s easterly wind. Next 24h: 23.5 to 32.1 C, max wind 5.4 m/s. Precip around 0.2 mm. Solar peaks near 772 W/m2.
Is precipitation expected in the next 24 hours?
Around 0.2 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in San Antonio today?
Sunrise around 06:12 and sunset around 18:16 (local time). Day length about 12h 04m.
What is the local time in San Antonio?
Local time is 20:21. Time zone: America/Puerto_Rico (UTC-04:00).
What type of place is San Antonio?
San Antonio is a populated place.
What is the elevation of San Antonio?
Elevation about 54 m. DEM 55 m.
Where is San Antonio located?
It is at 18.24357, -66.03017 (latitude, longitude).
Which country is San Antonio in?
It is in Puerto Rico.