Need precision hour-by-hour weather for San Juan County? Our Hourly Weather Tracker provides real-time hourly temperature shifts, wind speeds, humidity levels, and exact rain probability curves.
San Juan County Hourly Weather Tracker
Sunday, Oct 25, 2026
Daytime
91°F
Sunny / Clear
Feels like 91°F
Humidity
55%
Wind Speed
15 mph
Precipitation
0 in
Pressure
1012 hPa
UV Index
3
Visibility
10 mi
Cloud Cover
10%
Dew Point
82°F
Detailed 48-Hour Tracker
Air Quality (AQI)
Air quality sensors are offline for this coordinate.
Sun & Moon Phase
Sunrise
6:00 AM
Sunset
8:00 PM
Moon Phase
Full Moon
7-Day Overview
Extended Local Forecasts
Location View
San Juan County · 18.46°N, 66.11°W
Coordinates18.4626°N, 66.1086°W
Elevationm
TimezoneAmerica/New_York
Nearby Cities in Puerto Rico
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Safety & Environmental Index
| Metric | Value | Status / Interpretation |
|---|---|---|
| Air Quality (AQI) | N/A | Offline |
| UV Index | 3 | Moderate Risk |
| Visibility | 10 miles | Clear |
Frequently Asked Questions
Our hourly forecast provides hour-by-hour updates on temperature, wind speed, and rain probability in San Juan County to help you plan your day with precision.
About San Juan County Climate & Weather
Weather forecast for San Juan County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.
Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.