🇵🇷 Weather in Arecibo
Map Overlays:
Hourly Forecast for Arecibo
03:00
26°
11%
04:00
25°
24%
05:00
25°
11%
06:00
25°
11%
07:00
26°
11%
08:00
27°
9%
09:00
28°
9%
10:00
29°
8%
11:00
29°
6%
12:00
30°
5%
13:00
29°
6%
14:00
29°
8%
15:00
29°
7%
16:00
29°
6%
17:00
28°
7%
18:00
28°
8%
19:00
28°
8%
20:00
27°
8%
21:00
26°
9%
22:00
25°
9%
23:00
25°
10%
00:00
25°
10%
01:00
25°
11%
02:00
25°
11%
14-Day Forecast for Arecibo
2026-10-16
Sunny
30° /
25°
2026-10-17
Sunny
30° /
24°
2026-10-18
Patchy rain nearby
29° /
24°
2026-10-19
Sunny
29° /
24°
2026-10-20
Light rain shower
29° /
24°
2026-10-21
Patchy rain nearby
28° /
24°
2026-10-22
Overcast
30° /
24°
Additional Forecasts for Arecibo
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 94.0 μg/m³
O₃ (Ozone) 19.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.5 μg/m³
SO₂ (Sulphur Dioxide) 0.4 μg/m³
PM2.5 (Fine particles) 1.8 μg/m³
PM10 (Coarse particles) 2.7 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Puerto Rico
Weather in Arecibo — FAQ
Answers refreshed each request based on current conditions in Arecibo.
What is the weather like right now in Arecibo?
Right now in Arecibo, Puerto Rico the temperature is 25.7°C (feels like 28.2°C), with clear. Relative humidity is 86% and wind is 11.9 km/h.
What is today's high and low temperature in Arecibo?
Today's forecast high in Arecibo is 29.9°C and the overnight low is 24.9°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Arecibo today?
The chance of precipitation in Arecibo today is 17%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Arecibo differ from nearby cities?
Even short distances can change temperatures noticeably. Arecibo's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.