Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Cayey, Puerto Rico

Flowers spill across the islands. Day 59 of spring. Read this microseason across nine climate regions →

Cayey, PR
Sunday, May 17 at 2:42 AM
71
°
Mostly Clear
Feels like
76°
Humidity
96%
Wind
5 mph
Sunrise
5:51 AM
Sunset
6:50 PM
Cayey, PR
Hour by hour · 24h
70°
10p
70°
11p
69°
12a
69°
1a
68°
2a
67°
3a
67°
4a
67°
5a
67°
6a
71°
7a
76°
8a
78°
9a
80°
10a
82°
12%
11a
83°
10%
12p
83°
1p
84°
2p
82°
3p
81°
4p
77°
5p
76°
10%
6p
74°
12%
7p
72°
12%
8p
71°
9p
L 67°H 84°
Cayey, PR
7-day forecast
  1. Today
    May 16
    Drizzle
    74%
    85°69°
  2. Sunday
    May 17
    Light Drizzle
    71%
    81°69°
  3. Monday
    May 18
    Drizzle
    68%
    81°68°
  4. Tuesday
    May 19
    Light Drizzle
    40%
    81°66°
  5. Wednesday
    May 20
    Drizzle
    76%
    78°67°
  6. Thursday
    May 21
    Light Drizzle
    59%
    82°68°
  7. Friday
    May 22
    Light Drizzle
    63%
    82°67°
Cayey, PR
Anemometer · 24h winds · from true
NESW
From · True
ENE
064° · veering 8°
Direction
ENE
064°
Sustained
5
mph
Gust
14
mph
Peak 24h
25
avg 6
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 6 · pk 25 @ 10:00a
−24h−18h−12h−6hnow
Light breeze veering 8° from the ene.
Cayey, PR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
972.0
+0.1 mb in 3h · falling · 28.70 inHg
Now
972.0
mb
3h
+0.1
mb
12h
-0.1
mb
24h
+0.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 971973
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Cayey, PR
Air quality
39
AQI
Good
PM 2.5
7.6 μg/m³
PM 10
12.8 μg/m³
NO₂
0.6 μg/m³
Ozone
47.0 μg/m³
UV Index
0.0 Low
Cayey, PR
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:29 AM
Sunrise
5:51 AM
Daylight
12h 59m
Sunset
6:50 PM
Civil dusk
11:15 PM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Cayey, PR
The moon
New Moon
0% illuminated
Moonrise
10:13 AM
Moonset
In sign
♊︎ Gemini
Cayey, PR
Microseason · 28 of 72
May 16–20

Flowers spill across the islands

bird
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Cayey at a glance

  • Today vs. normal: 23°F below the seasonal normal for this latitude
  • Last frost: December 6 (climatological average for this latitude)
  • Microseason: 28 of 72, May 16–20
  • Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.

Right now in the garden

Peak growing season

As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

ZIP codes in Cayey

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.