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Juncos, Puerto Rico Weather
Current conditions
Observed at San Juan, Luis Munoz Marin International Airport · 1 hr ago
Forecast
10-day-
Thursday
Showers and thunderstorms. Cloudy, with a high near 90. Southeast wind 3 to 10 mph. Chance of precipitation is 80%.
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Thursday Night
Scattered rain showers before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 74. East southeast wind 1 to 7 mph. Chance of precipitation is 60%.
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Friday
Scattered rain showers before noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 90. East southeast wind 2 to 9 mph. Chance of precipitation is 60%.
National Weather Service forecast updated 2 days ago.
Hourly
Hourly forecast- Now87°60%
- 11 AM89°60%
- 12 PM89°80%
- 1 PM90°80%
- 2 PM90°80%
- 3 PM89°80%
- 4 PM85°80%
- 5 PM82°80%
- 6 PM81°30%
- 7 PM80°30%
- 8 PM79°30%
- 9 PM78°30%
- 10 PM77°30%
- 11 PM77°30%
- Fri12 AM76°60%
- 1 AM76°60%
- 2 AM75°60%
- 3 AM75°60%
- 4 AM74°60%
- 5 AM74°60%
- 6 AM77°50%
- 7 AM80°50%
- 8 AM83°50%
- 9 AM85°50%
10-day forecast
Details- TueOct 20Scattered Showers And Thunderstorms50%73°90°
- WedOct 21Scattered Rain Showers60%73°91°
- TodayOct 22Showers And Thunderstorms80%74°90°
- FriOct 23Chance Showers And Thunderstorms60%75°90°
- SatOct 24Scattered Rain Showers40%74°90°
- SunOct 25Scattered Showers And Thunderstorms50%73°90°
- MonOct 26Scattered Rain Showers30%73°91°
- TueOct 27Rain0.20 in73°87°
- WedOct 28Light showers0.04 in72°88°
- ThuOct 29Showers0.13 in71°88°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Juncos
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Catano, PR reporting area · 2 hrs ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlySan Juan Area, records since 1898. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
Forecasters' discussion
From the National Weather Service office in SJU, issued 8 hrs ago
Key Messages
Issued at 200 AM AST Thu Oct 22 2026
* A wetter pattern today through Saturday will bring more frequent showers and thunderstorms, including nighttime activity. Heavy downpours may cause urban and small-stream flooding, rapid river rises, and isolated flash flooding. Repeated rainfall will also increase the potential for landslides along vulnerable slopes.
* A moderate risk of rip currents will persist along exposed northern beaches today. Another northerly swell arriving early Friday will bring a renewed high risk along northern Puerto Rico, with dangerous rip currents potentially continuing through the weekend and into early next week.
* Warm and humid conditions will continue, particularly during periods of sunshine. Heat impacts may become more pronounced Sunday and Monday, especially across coastal and urban areas and among individuals sensitive to heat.
Aviation
(06Z TAFS) Issued at 200 AM AST Thu Oct 22 2026
Mainly VFR conds expected, with VCSH at TJPS/TIST/TISX overnight into the morning as moisture increases from the S. SHRA/TSRA developing over interior and northern PR aft 22/17Z may produce periods of MVFR and brief IFR cigs/vsbys with direct +RA/TSRA passage at TJBQ and possibly TJSJ, with TJBQ impacts favored later in the 22/17-23Z period. Brief MVFR vsbys also psbl with passing SHRA at USVI terminals. Sfc winds L/V overnight, bcmg ESE-SE at 8-10 kt aft 22/13Z, with sea-breeze variations and locally gusty winds near TSRA.
Marine
Issued at 200 AM AST Thu Oct 22 2026
Light to gentle southeasterly winds will become east to southeast and increase to moderate to locally fresh speeds Friday into the weekend as the pressure gradient tightens. The current northerly swell will continue to subside today before another north- northwesterly swell arrives early Friday, followed by additional pulses through the weekend. Seas will build to 5 to 6 feet across portions of the Atlantic waters and Mona Passage, generally remaining below Small Craft Advisory criteria, although small craft should exercise caution. More frequent showers and thunderstorms, including nighttime activity, will bring lightning, gusty winds, reduced visibility, and locally higher seas.
Beach Forecast
Issued at 200 AM AST Thu Oct 22 2026
Subsiding northerly swell will allow a moderate risk of rip currents today along exposed beaches of northern and northwestern Puerto Rico, Culebra, St. Thomas, and St. John. Another north- northwesterly swell arriving early Friday will bring a renewed high risk along northern Puerto Rico, where breaking waves around 6 feet are forecast Friday and Saturday. Additional swell pulses may maintain dangerous rip currents through the weekend and into early next week. Increasing shower and thunderstorm activity will also bring lightning and gusty winds to coastal areas. Beachgoers should avoid swimming where the rip current risk is high and seek shelter indoors when thunderstorms approach.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.