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
- TodayJun 15Light Drizzle76%0.03″87°77°—
- TuesdayJun 16Light Drizzle80%0.09″87°76°0°
- WednesdayJun 17Light Drizzle75%0.06″87°76°0°
- ThursdayJun 18Heavy Drizzle55%0.16″87°75°0°
- FridayJun 19Thunderstorm73%0.14″86°76°-1°
- SaturdayJun 20Light Drizzle57%0.02″86°77°0°
- SundayJun 21Drizzle85%0.09″85°78°-1°
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.
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
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:00 AM
- Moonset
- —
- In sign
- ♊︎ Gemini
Easterly waves thread the Atlantic
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
- Mon87°77°76%
- Tue87°76°80%
- Wed87°76°75%
- Thu87°75°55%
- Fri86°76°73%
- Sat86°77°57%
- Sun85°78°85%
- Mon87°78°90%
- Tue85°78°59%
- Wed85°77°58%
- Thu84°77°61%
- Fri87°78°63%
- Sat86°78°57%
- Sun87°77°71%
- 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