Guilarte Forest ScanGUIP4
At a river or reservoir gauge/10.1 mi away/3,345 ft/2,002 ft above here
temp, wind, gust, humidity, pressure
Weather/Puerto Rico/Cayuco
Now. Cayuco is 72° and clear at 3 AM. The dew point is 72°, so the air feels very oppressive. Light air from the southeast at 3 mph.
Today and tonight. It warms to about 84° by 12 PM. Tonight falls to about 72° by 1 AM, under cloud. No rain is expected for the rest of the day.
The week. Highs stay close to 84° all week. Thunderstorms is likely tomorrow (60%), Sunday (70%), Monday (70%), Tuesday (60%) and Wednesday (70%).
The sky tonight. The sun sets at 6:04 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:42 PM. The next full Moon is Monday, Oct 26. After dark, look for Saturn, bright in the east. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. Cloud is forecast to cover most of the night, so the sky will be hard to see. The day is 11 hours 44 minutes long, 1 minute shorter than yesterday.
As of 3:00 AM in Cayuco, Puerto Rico.
Air quality
Index 32, good, led by fine particles. Read at 1 AM from its reporting area, Catano (PR), 40 miles off.
Yesterday measured 32, good.
F
Now, today, and the week
On the radar over Cayuco, Puerto RicoReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture
The 5 instruments nearest Cayuco, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.1 miles away.
measured now3 instruments
Guilarte Forest ScanGUIP4
At a river or reservoir gauge/10.1 mi away/3,345 ft/2,002 ft above here
temp, wind, gust, humidity, pressure
PonceTJPS
At an airfield/22.6 mi away/30 ft/1,313 ft below here
temp, wind, gust, visibility, precip, pressure
FortunaS2122
At a soil climate station/22.9 mi away/93 ft/1,250 ft below here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Arecibo ObservatoryARBP4
At a cooperative observer's station/4.1 mi away/1,062 ft/281 ft below here
snowfall, snow depth, precip, high, low
Adjuntas 2.8 NWPR-AD-1
In a volunteer observer's own ground/7.2 mi away/2,154 ft/811 ft above here
precip, snowfall, snow depth
Station report
The nearest airport reporting now, 22.6 mi from Cayuco, Puerto Rico. From its report of Oct 16, 2026, 2:55 AM local time: 3 of its 6 sheets.
No cloud below 12,000 ft; visibility 10 mi or more.
77.0 F with a dew point of 73.4 F, 89 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 900 ft up.
Calm.
The full report of Ponce, in 6 sheets, each beside the Field Book plates that explain it
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Snow on the ground
The nearest places, each with its own forecast and the instruments nearest it.