San Juan (Puerto Rico) weather
The forecast for San Juan (Puerto Rico) (Puerto Rico) for the next 10 days in local time: every 3 hours for the first 6 days, then every 6 hours. See when it will rain, how hard the wind will blow and how warm it will get.
San Juan, Puerto Rico18.47°N, 66.11°WAmerica/Puerto Rico (UTC-4)ECMWF: October 25 at 08:00 AM
A real measurement from an airport weather station (NOAA, METAR reports), updated every hour. The forecast next to it comes from a model. NOAA Aviation Weather Center
Next 48 hours (local time)
10-day forecast
- TodayOctober 25Partly cloudy
0.1 mm · gusts 27 km/h30°C 27°C - TomorrowOctober 26Light rain
0.8 mm · gusts 31 km/h31°C 27°C - TuesdayOctober 27Light rain
0.7 mm · gusts 25 km/h31°C 26°C - WednesdayOctober 28Light rain
0.5 mm · gusts 39 km/h30°C 26°C - ThursdayOctober 29Mostly clear
0.8 mm · gusts 25 km/h29°C 26°C - FridayOctober 30Partly cloudy
0.3 mm · gusts 25 km/h29°C 26°C - SaturdayOctober 31Rain
5 mm · gusts 36 km/h28°C 26°C - SundayNovember 1Light rain
3 mm · gusts 35 km/h29°C 26°C - MondayNovember 2Rain
4 mm · gusts 36 km/h29°C 25°C - TuesdayNovember 3Rain
8 mm · gusts 31 km/h28°C 25°C
Over the next 10 days in San Juan (Puerto Rico), temperatures will range from 25°C to 31°C, with 23 mm of rain or snow in total. Days with at least 1 mm of precipitation: 4. ECMWF model run from October 25 at 08:00 AM.
San Juan (Puerto Rico) wind forecast for 10 days
Windiest: Wednesday, October 28 - average 16 km/h, gusts up to 39 km/h. Calmest: Tuesday, November 3 - average 8 km/h. The wind blows most often from the east.
| Day | Wind | Gusts | Direction |
|---|---|---|---|
| Today | 16 km/h | 27 km/h | southeast |
| Tomorrow | 15 km/h | 31 km/h | southeast |
| Tue, 10/27 | 11 km/h | 25 km/h | southeast |
| Wed, 10/28 | 16 km/h | 39 km/h | east |
| Thu, 10/29 | 16 km/h | 25 km/h | east |
| Fri, 10/30 | 14 km/h | 25 km/h | east |
| Sat, 10/31 | 14 km/h | 36 km/h | east |
| Sun, 11/1 | 14 km/h | 35 km/h | east |
| Mon, 11/2 | 16 km/h | 36 km/h | east |
| Tue, 11/3 | 8 km/h | 31 km/h | southeast |
Climate through the year
In October, daytime temperatures here average 29°C and nights 26°C, with about 162 mm of rain over the month. The sea is around 29°C at that time. The warmest month is August (an average of 30°C by day), the coolest is January (27°C by day, 23°C at night). The wettest month is September (about 162 mm) and the driest is February (45 mm). The sea temperature ranges from about 26°C in February to 29°C in September.
| Month | Day | Night | Rain | Sea |
|---|---|---|---|---|
| January | 27°C | 23°C | 51 mm | 27°C |
| February | 28°C | 23°C | 45 mm | 26°C |
| March | 28°C | 23°C | 61 mm | 26°C |
| April | 29°C | 24°C | 76 mm | 27°C |
| May | 29°C | 25°C | 129 mm | 27°C |
| June | 30°C | 26°C | 91 mm | 28°C |
| July | 30°C | 26°C | 100 mm | 28°C |
| August | 30°C | 26°C | 130 mm | 29°C |
| September | 30°C | 26°C | 162 mm | 29°C |
| October | 29°C | 26°C | 162 mm | 29°C |
| November | 28°C | 25°C | 137 mm | 28°C |
| December | 28°C | 24°C | 64 mm | 27°C |
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day. NASA POWER
The forecast for San Juan (Puerto Rico) comes from the ECMWF model and is computed for the point 18.47°N, 66.11°W. Temperature is measured 2 m above the ground, wind at 10 m. Gusts are the strongest bursts of wind within each 3-hour period.
Source: ECMWF IFS model (CC BY 4.0), data modified. A forecast is a model result, not a measurement. ECMWF