Temperature
82 F at 7 AM; 90 F at its warmest, 10 AM Thursday, and 75 F at its coolest, 4 AM.
- Now
- 82F
- 7 AM
- Highest
- 90F
- 10 AM Thursday
- Lowest
- 75F
- 4 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/Puerto Rico/Mercedita International Airport
Now. Mercedita International Airport is 79° and clear at 7 AM. The dew point is 72°, so the air feels very oppressive. Light air from the east-northeast at 4 mph.
Today and tonight. It warms to about 91° by 12 PM. Tonight falls to about 76° by 4 AM, under cloud. No rain is expected for the rest of the day.
The week. Highs stay close to 91° all week. Rain is likely Thursday (50%). Rain is possible tomorrow (30%) and Wednesday (30%).
The sky tonight. The sun sets at 6:03 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 7:00 AM in Mercedita International Airport, Puerto Rico.
Air quality
Index 43, good, led by fine particles. Read at 6 AM from its reporting area, Catano (PR), 40 miles off.
Yesterday measured 32, good.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 12 / 30 | 6,904 ft | 150 ft | Asphalt | 108° / 288° | 2 mph head, on 12 | 2 mph from the left |
Measured here
Every hour from Ponce (TJPS), Mercedita International Airport's own instrument, measure by measure, on the field's own clock.
82 F at 7 AM; 90 F at its warmest, 10 AM Thursday, and 75 F at its coolest, 4 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 73 F, the air 74% saturated; the humidity ran from 1% at 9 AM Thursday to 94% at 4 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
Calm at 7 AM; at its strongest 16 mph, 12 PM Thursday, with a gust of 24 mph at 2 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.94 inHg at 7 AM, rising 0.04 inHg over 3 hours; 0.04 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 6 miles at 11 AM Thursday; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 2,400 ft at 11 AM Thursday; a base was reported in 14 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
None measured in the gauge in the last 24 hours.
How it is measured: ASOS, Field Book FB-INS-002
Ponce: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Mercedita International Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now3 instruments
PonceTJPS
At an airfield/0.0 mi away/30 ft/1 ft above here
temp, wind, gust, visibility, precip, pressure
FortunaS2122
At a soil climate station/2.6 mi away/93 ft/64 ft above here
temp, humidity, soil temp, soil moisture
Fortuna ScanFORP4
At a river or reservoir gauge/2.6 mi away/93 ft/64 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Ponce 2.3 NEPR-PC-6
In a volunteer observer's own ground/1.6 mi away/52 ft/23 ft above here
precip, snowfall, snow depth
Ponce 4EPOCP4
At a cooperative observer's station/2.8 mi away/77 ft/48 ft above here
snowfall, snow depth, precip, high, low
-
Snow on the ground
The nearest places, each with its own forecast and the instruments nearest it.