Isla Grande Airport (SIG) 15 Day Weather Forecast, San Juan Puerto Rico

Current weather conditions and 15 day weather forecast for Isla Grande Airport in San Juan, Puerto Rico including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.

Current weather conditions at SIG

09 May 2025 Fri
29.2 ° C
( 84.6°F )

Partly cloudy
Partly cloudy
Feels Like : 35.5 ° C / 95.9°F
Humidity : % 75
Pressure : 1015 mb
Wind Speed : 19.1 kmph / 11.9 miles from ENEENE
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 50

15-day weather forecast for Isla Grande Airport, San Juan, Puerto Rico

Date
09 May 2025 Fri
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature25.2 ° C
High temperature27.8 ° C
Average Temperature26.3 ° C
Humidity% 84
Wind19.1 km/h
Chance of rain0%
10 May 2025 Sat
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature24.9 ° C
High temperature31.4 ° C
Average Temperature27.2 ° C
Humidity% 83
Wind23.4 km/h
Chance of rain0%
11 May 2025 Sun
Weather forecastPartly Cloudy  Partly Cloudy
Low temperature25.6 ° C
High temperature29 ° C
Average Temperature26.9 ° C
Humidity% 91
Wind25.6 km/h
Chance of rain0%
12 May 2025 Mon
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature24.8 ° C
High temperature28.9 ° C
Average Temperature26.7 ° C
Humidity% 81
Wind28.1 km/h
Chance of rain89%
13 May 2025 Tue
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature23.8 ° C
High temperature27.7 ° C
Average Temperature25.6 ° C
Humidity% 79
Wind27 km/h
Chance of rain89%
14 May 2025 Wed
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature23.8 ° C
High temperature27.4 ° C
Average Temperature25.3 ° C
Humidity% 80
Wind26.3 km/h
Chance of rain89%
15 May 2025 Thu
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature24 ° C
High temperature27.6 ° C
Average Temperature25.7 ° C
Humidity% 81
Wind21.6 km/h
Chance of rain88%
16 May 2025 Fri
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature24.4 ° C
High temperature27.4 ° C
Average Temperature25.6 ° C
Humidity% 80
Wind18.4 km/h
Chance of rain85%
17 May 2025 Sat
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature24.2 ° C
High temperature27.6 ° C
Average Temperature25.6 ° C
Humidity% 79
Wind16.2 km/h
Chance of rain79%
18 May 2025 Sun
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature23.6 ° C
High temperature27.1 ° C
Average Temperature25.5 ° C
Humidity% 79
Wind10.8 km/h
Chance of rain82%
19 May 2025 Mon
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature24.6 ° C
High temperature28.2 ° C
Average Temperature26.3 ° C
Humidity% 80
Wind16.6 km/h
Chance of rain85%
20 May 2025 Tue
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature24.2 ° C
High temperature28.4 ° C
Average Temperature25.9 ° C
Humidity% 82
Wind14 km/h
Chance of rain86%
21 May 2025 Wed
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature23.8 ° C
High temperature28.3 ° C
Average Temperature25.8 ° C
Humidity% 81
Wind8.3 km/h
Chance of rain87%
22 May 2025 Thu
Weather forecastPatchy rain nearby Patchy rain nearby
Low temperature23.7 ° C
High temperature28.2 ° C
Average Temperature25.7 ° C
Humidity% 81
Wind13.7 km/h
Chance of rain83%
Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
09 May 2025 Fri Partly Cloudy  Partly Cloudy 25.2 ° C 27.8 ° C 26.3 ° C % 84 19.1 km/h 0%
10 May 2025 Sat Partly Cloudy  Partly Cloudy 24.9 ° C 31.4 ° C 27.2 ° C % 83 23.4 km/h 0%
11 May 2025 Sun Partly Cloudy  Partly Cloudy 25.6 ° C 29 ° C 26.9 ° C % 91 25.6 km/h 0%
12 May 2025 Mon Patchy rain nearby Patchy rain nearby 24.8 ° C 28.9 ° C 26.7 ° C % 81 28.1 km/h 89%
13 May 2025 Tue Patchy rain nearby Patchy rain nearby 23.8 ° C 27.7 ° C 25.6 ° C % 79 27 km/h 89%
14 May 2025 Wed Patchy rain nearby Patchy rain nearby 23.8 ° C 27.4 ° C 25.3 ° C % 80 26.3 km/h 89%
15 May 2025 Thu Patchy rain nearby Patchy rain nearby 24 ° C 27.6 ° C 25.7 ° C % 81 21.6 km/h 88%
16 May 2025 Fri Patchy rain nearby Patchy rain nearby 24.4 ° C 27.4 ° C 25.6 ° C % 80 18.4 km/h 85%
17 May 2025 Sat Patchy rain nearby Patchy rain nearby 24.2 ° C 27.6 ° C 25.6 ° C % 79 16.2 km/h 79%
18 May 2025 Sun Patchy rain nearby Patchy rain nearby 23.6 ° C 27.1 ° C 25.5 ° C % 79 10.8 km/h 82%
19 May 2025 Mon Patchy rain nearby Patchy rain nearby 24.6 ° C 28.2 ° C 26.3 ° C % 80 16.6 km/h 85%
20 May 2025 Tue Patchy rain nearby Patchy rain nearby 24.2 ° C 28.4 ° C 25.9 ° C % 82 14 km/h 86%
21 May 2025 Wed Patchy rain nearby Patchy rain nearby 23.8 ° C 28.3 ° C 25.8 ° C % 81 8.3 km/h 87%
22 May 2025 Thu Patchy rain nearby Patchy rain nearby 23.7 ° C 28.2 ° C 25.7 ° C % 81 13.7 km/h 83%
Weather forecasts are usually fully updated every 3 hours.

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