San Juan, Puerto Rico Weather
18.465, -66.106 · America/Puerto_Rico
Updated Oct 15, 6:00 AM | Source NOAA / National Weather Service
Current weather in San Juan, Puerto Rico is 80°F / 27°C and scattered rain showers with winds at 8 mph from the east. Humidity is 86%, with a 50% chance of precipitation today. The 7-day outlook shows highs of 82 to 84°F (28 to 29°C) and lows of 79 to 81°F (26 to 27°C). Rain is likely on 2 days.
Current conditions
80°F
Scattered Rain Showers
High 82°F / 28°C · Low 81°F / 27°C
ⓘ About this reading (NWS)
Current conditions: the NWS gridpoint forecast for this hour (no recent station observation was available).
Forecast highs, lows and hourly values: the NWS Gridpoint Forecast for the grid cell that contains this location, issued by the NWS SJU Area Forecast Office.
Open-Meteo model estimates supplement fields not reported by NWS.
A gridpoint forecast describes the average over its grid cell, while a station measures one spot (often an airport), so the two can differ by a few degrees, especially during strong winter temperature inversions, which are common around Fairbanks.
Scattered rain showers, there's a chance of rain today, humidity makes it feel warmer than the actual temperature, winds are light.
86°F / 30°C
8 mph / 13 km/h E
86%
—
50%
—
Hourly Forecast
6 AM
80°
Scattered Rain Showers
50% · 8 mph
7 AM
81°
Scattered Rain Showers
50% · 9 mph
8 AM
82°
Scattered Rain Showers
50% · 9 mph
9 AM
82°
Scattered Rain Showers
50% · 10 mph
10 AM
82°
Scattered Rain Showers
50% · 12 mph
11 AM
83°
Scattered Rain Showers
50% · 13 mph
12 PM
83°
Isolated Rain Showers
20% · 14 mph
1 PM
83°
Isolated Rain Showers
20% · 15 mph
2 PM
83°
Isolated Rain Showers
20% · 15 mph
3 PM
83°
Isolated Rain Showers
10% · 15 mph
4 PM
82°
Isolated Rain Showers
10% · 15 mph
5 PM
82°
Isolated Rain Showers
10% · 14 mph
6 PM
81°
Isolated Rain Showers
10% · 13 mph
7 PM
81°
Isolated Rain Showers
10% · 12 mph
8 PM
81°
Isolated Rain Showers
10% · 10 mph
9 PM
81°
Scattered Rain Showers
50% · 10 mph
10 PM
81°
Scattered Rain Showers
50% · 9 mph
11 PM
81°
Scattered Rain Showers
50% · 9 mph
All hours shown in local time for this location (America/Puerto_Rico).
7-day Forecast
Rain is likely on 2 days.
Today
Oct 15
Scattered Rain Showers
High 82°Low 81°
50% precip
Wind 8 mph
Fri
Oct 16
Scattered Rain Showers
High 84°Low 79°
40% precip
Wind 7 mph
Sat
Oct 17
Scattered Rain Showers
High 82°Low 79°
40% precip
Wind 7 mph
Sun
Oct 18
Scattered Rain Showers
High 84°Low 79°
30% precip
Wind 5 mph
Mon
Oct 19
Scattered Rain Showers
High 84°Low 79°
30% precip
Wind 6 mph
Tue
Oct 20
Scattered Rain Showers
High 84°Low 79°
40% precip
Wind 3 mph
Wed
Oct 21
Scattered Showers And Thunderstorms
High 82°Low 79°
50% precip
Wind 2 mph
Weather Alerts
Watches, warnings and advisories from the official alerting authority for this location.
All clear — no active alerts
The alerting authority reports no active watches, warnings or advisories for this location.
How Today's Weather Affects the Sky
A 50% chance of precipitation today means some cloud cover is possible tonight, but clear breaks are realistic too.
For moon phase, aurora conditions, and exact visibility at your location tonight, see Sky Tonight.
Sources: NOAA/National Weather Service (US alerts) and Open-Meteo (global weather). Each section labels its own source, last update and freshness state. Always follow official local guidance during severe weather.
Live Radar — San Juan, Puerto Rico
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