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

Palmer, Puerto Rico Weather

Easterly waves thread the Atlantic. Day 88 of spring. Read this microseason across nine climate regions →

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

Palmer, PR
Monday, June 15 at 5:37 AM
78
°
Overcast
Feels like
84°
Humidity
87%
Wind
10 mph
Sunrise
1:46 AM
Sunset
3:00 PM
Palmer, PR
Hour by hour · 24h
24-Hour ForecastPalmer, PR: 24-hour forecast. Temperatures range from 76 to 87 degrees Fahrenheit with a 63% chance of precipitation at 5 AM.
L 76°H 87°
Palmer, PR
7-day forecast
  1. Today
    Jun 15
    Light Drizzle
    76%
    0.03″
    87°77°
  2. Tuesday
    Jun 16
    Light Drizzle
    80%
    0.09″
    87°76°
  3. Wednesday
    Jun 17
    Light Drizzle
    75%
    0.06″
    87°76°
  4. Thursday
    Jun 18
    Heavy Drizzle
    55%
    0.16″
    87°75°
  5. Friday
    Jun 19
    Thunderstorm
    73%
    0.14″
    86°76°-1°
  6. Saturday
    Jun 20
    Light Drizzle
    57%
    0.02″
    86°77°
  7. Sunday
    Jun 21
    Drizzle
    85%
    0.09″
    85°78°-1°
Palmer, PR
Anemometer · 24h winds · from true
NESW
From · True
ESE
102° · steady
Direction
ESE
102°
Sustained
10
mph
Gust
22
mph
Peak 24h
31
avg 11
Beaufort · 3 · GENTLE 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 11 · pk 31 @ 5:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 317SUSTGUST
−24h−18h−12h−6hnow
Light breeze holding from the ese.
Palmer, PR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1016.0
-0.7 mb in 3h · falling · 30.00 inHg
Now
1016.0
mb
3h
-0.7
mb
12h
+0.2
mb
24h
-0.1
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10161018
1010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1018.01015.61015.9
−24h−18h−12h−6hnow
Fair, steady air — a quiet anticyclone holds the sky.
Palmer, PR
Air quality
29
AQI
Good
-2 in 6h

AQI 29 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.9 µg/m³ (AQI 38), ratio 0.57 with 10 mph wind — characteristic of long-range haze transport rather than a local source.

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

PM 2.5DRIVERGood
6.9μg/m³
PM 10Good
12μg/m³
NO₂Good
0μg/m³
OzoneGood
45μg/m³
UV IndexLow
0.0

What's driving it

PM × Wind × Precip

PM2.5 at 6.9 µg/m³ (AQI 38), ratio 0.57 with 10 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.57
Wind
breezy
Recent rain
0h in last 6h
Pattern
transport
Palmer, PR
Sky cover · visibility · 24h
Cloud cover
92%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
40.6mi
UNLIMITED
91 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
09:37 UTC · Palmer, PR · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
09:37 UTC · Palmer, PR · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Palmer, PR
Satellite · infrared · animated
Palmer, PR
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Palmer, PR
Almanac · Monday, June 15
A summer fog for fair, a winter fog for rain.
Civil dawn
5:23 AM
Sunrise
1:46 AM
Daylight
13h 14m
Sunset
3:00 PM
Civil dusk
7:25 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Palmer, PR
The moon
New Moon
0% illuminated
Moonrise
6:00 AM
Moonset
In sign
♊︎ Gemini
Palmer, PR
Microseason
Jun 11–15

Easterly waves thread the Atlantic

weather
Jan 145% of the yearDec 31

Read this microseason across nine climate regions →

Palmer at a glance

  • Today vs. normal: 19°F below the seasonal normal for this latitude
  • Last frost: December 7 (climatological average for this latitude)
  • Microseason: Jun 11–15
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

15-Day Forecast — Palmer

  1. Mon87°77°76%
  2. Tue87°76°80%
  3. Wed87°76°75%
  4. Thu87°75°55%
  5. Fri86°76°73%
  6. Sat86°77°57%
  7. Sun85°78°85%
  8. Mon87°78°90%
  9. Tue85°78°59%
  10. Wed85°77°58%
  11. Thu84°77°61%
  12. Fri87°78°63%
  13. Sat86°78°57%
  14. Sun87°77°71%
  15. Mon85°76°54%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of June 15, 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 Palmer

  • 00745
  • 00721

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.