Guaynabo, Puerto Rico Weather
18.358, -66.111 · America/Puerto_Rico
Updated Oct 18, 5:00 PM | Source NOAA / National Weather Service
Current weather in Guaynabo, Puerto Rico is 83°F / 28°C and chance showers and thunderstorms with winds at 6 mph from the east. Humidity is 82%, with a 60% chance of precipitation today. The 7-day outlook shows highs of 88 to 90°F (31 to 32°C) and lows of 77 to 79°F (25 to 26°C). Rain is likely on most days.
Current conditions
83°F
Chance Showers And Thunderstorms
High 88°F / 31°C · Low 79°F / 26°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.
Chance showers and thunderstorms, rain is likely today, humidity makes it feel warmer than the actual temperature, winds are light.
92°F / 33°C
6 mph / 10 km/h E
82%
6 mi / 10 km
60%
—
Hourly Forecast
5 PM
83°
Chance Showers And Thunderstorms
60% · 6 mph
6 PM
82°
Scattered Rain Showers
40% · 5 mph
7 PM
82°
Scattered Rain Showers
40% · 5 mph
8 PM
81°
Scattered Rain Showers
40% · 5 mph
9 PM
81°
Mostly Clear
0% · 5 mph
10 PM
80°
Mostly Clear
0% · 3 mph
11 PM
80°
Mostly Clear
0% · 3 mph
All hours shown in local time for this location (America/Puerto_Rico).
7-day Forecast
Rain is likely on most days.
Today
Oct 18
Chance Showers And Thunderstorms
High 88°Low 79°
60% precip
Wind 6 mph
Mon
Oct 19
Chance Showers And Thunderstorms
High 88°Low 79°
60% precip
Wind 3 mph
Tue
Oct 20
Chance Showers And Thunderstorms
High 88°Low 77°
70% precip
Wind 3 mph
Wed
Oct 21
Scattered Rain Showers
High 90°Low 79°
50% precip
Wind 2 mph
Thu
Oct 22
Chance Showers And Thunderstorms
High 90°Low 79°
70% precip
Wind 3 mph
Fri
Oct 23
Chance Showers And Thunderstorms
High 90°Low 79°
70% precip
Wind 3 mph
Sat
Oct 24
Partly Sunny then Chance Showers And Thunderstorms
High 90°Low 79°
60% precip
Wind 5 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 60% chance of precipitation today means clouds are likely to obscure much of tonight's sky.
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 — Guaynabo, Puerto Rico
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