Arecibo, Puerto Rico Weather
August opens — storms become routine. Day 43 of summer. Read this microseason across nine climate regions →
Arecibo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Thunderstorm56%0.04″88°77°—
- MondayAug 3Light Drizzle14%—89°77°+1°
- TuesdayAug 4Thunderstorm78%0.04″87°74°-2°
- WednesdayAug 5Thunderstorm94%0.05″86°74°-1°
- ThursdayAug 6Thunderstorm99%0.09″88°74°+2°
- FridayAug 7Thunderstorm47%0.02″87°76°-1°
- SaturdayAug 8Light Drizzle27%0.05″87°77°0°
AQI 19 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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).








































Red sky at night, sailor's delight.
- Moonrise
- 9:04 PM
- Moonset
- 9:25 AM
- In sign
- ♓︎ Pisces
August opens — storms become routine
Arecibo at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: December 8 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP code: 00612
16-Day Forecast — Arecibo
- Sun88°77°56%
- Mon89°77°14%
- Tue87°74°78%
- Wed86°74°94%
- Thu88°74°99%
- Fri87°76°47%
- Sat87°77°27%
- Sun88°77°38%
- Mon85°78°62%
- Tue87°77°42%
- Wed89°77°48%
- Thu86°77°47%
- Fri88°78°35%
- Sat89°78°28%
- Sun87°76°34%
- Mon89°72°30%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Arecibo
Right now in the garden
Peak growing season
As of August 2, 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.
Sun & seasons in Arecibo
Arecibo sits in Arecibo County, where the year’s longest day runs 13h 14m of daylight and its shortest just 11h 1m — a swing of +2h 13m between the June and December solstices.
San Juan, the state’s largest city, lies about 45 miles to the E. The nearest town Arecibo tracks is Aguadilla, roughly 27 miles to the W.
ZIP codes in Arecibo
- 00612
- 00613
- 00614