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

Culebra, Puerto Rico Weather

First trades stir the ceiba canopy. Day 77 of spring. Read this microseason across nine climate regions →

Culebra weather forecast — hour by hour, 7-day outlook, NOAA radar

Culebra, PR
Thursday, June 4 at 9:44 AM
81
°
Clear
Feels like
82°
Humidity
72%
Wind
18 mph
Sunrise
5:44 AM
Sunset
6:54 PM
Culebra, PR
Hour by hour · 24h
24-Hour ForecastCulebra, PR: 24-hour forecast. Temperatures range from 80 to 83 degrees Fahrenheit with a 38% chance of precipitation at 11 PM.
L 80°H 83°
Culebra, PR
7-day forecast
  1. Today
    Jun 4
    Drizzle
    37%
    0.04″
    83°80°
  2. Friday
    Jun 5
    Heavy Drizzle
    57%
    0.08″
    82°76°-1°
  3. Saturday
    Jun 6
    Showers
    58%
    0.09″
    82°77°
  4. Sunday
    Jun 7
    Drizzle
    60%
    0.05″
    83°79°+1°
  5. Monday
    Jun 8
    Light Drizzle
    25%
    0.01″
    82°81°-1°
  6. Tuesday
    Jun 9
    Overcast
    81°81°-1°
  7. Wednesday
    Jun 10
    Overcast
    82°81°+1°
Culebra, PR
Anemometer · 24h winds · from true
NESW
From · True
ESE
113° · steady
Direction
ESE
113°
Sustained
18
mph
Gust
24
mph
Peak 24h
27
avg 18
Beaufort · 4 · MOD 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 18 · pk 27 @ 1:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2617SUSTGUST
−24h−18h−12h−6hnow
A fresh breeze drives the ese-bound air across the harbor.
Culebra, PR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1016.2
+0.8 mb in 3h · rising · 30.01 inHg
Now
1016.2
mb
3h
+0.8
mb
12h
+0.9
mb
24h
+0.1
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10151017
1010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1017.11015.01017.1
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Culebra, PR
Air quality
27
AQI
Moderate
0 in 6h

PM2.5/PM10 ratio 0.56 with 18 mph wind — characteristic of long-range haze transport rather than a local source. AQI flat over the last 6 hours (within ±3 points).

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
9.8μg/m³
PM 10Good
18μg/m³
NO₂Good
1μg/m³
OzoneGood
55μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5/PM10 ratio 0.56 with 18 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.56
Wind
breezy
Recent rain
0h in last 6h
Pattern
transport
Culebra, PR
Sky cover · visibility · 24h
Cloud cover
14%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
35.3mi
UNLIMITED
71 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
09:44 UTC ·Culebra, PR · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
09:44 UTC ·Culebra, PR · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Culebra, PR
Satellite · infrared · animated
Culebra, PR
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Culebra, PR
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
9:21 AM
Sunrise
5:44 AM
Daylight
13h 10m
Sunset
6:54 PM
Civil dusk
11:20 PM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Culebra, PR
The moon
Waning Gibbous
86% illuminated
Moonrise
1:52 AM
Moonset
1:10 PM
In sign
♑︎ Capricorn
Culebra, PR
Microseason
Jun 1–5

First trades stir the ceiba canopy

fish
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Culebra at a glance

  • Today vs. normal: 16°F below the seasonal normal for this latitude
  • Last frost: December 7 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 4, 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 Culebra

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.