San Martín, San Juan, PR | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast night icon
    Night
    50% Chance Rain Showers
    76°
    Wednesday 5/15
    Forecast night icon
    76°
    50% Chance Rain Showers
    Hourly
    Night Details
    Variably cloudy with scattered showers. Lows around 80. East winds 5 to 10 mph. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    50% Chance of Storms
    87°
    Forecast night icon
    Night
    50% Chance of Storms
    77°
    Thursday 5/16
    Day
    87°
    50% Chance of Storms
    Forecast day icon
    Night
    77°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with isolated showers in the morning then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 90. East winds 10 to 15 mph. Chance of rain 50 percent.
    Night Details
    Isolated thunderstorms in the evening. Variably cloudy with scattered showers. Lows around 80. East winds 5 to 10 mph. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    Partly Cloudy
    87°
    Forecast night icon
    Night
    Clear
    77°
    Friday 5/17
    Day
    87°
    Partly Cloudy
    Forecast day icon
    Night
    77°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with isolated showers. Highs around 91. East winds 10 to 15 mph. Chance of rain 20 percent.
    Night Details
    Clear. Lows around 81. Southeast winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    89°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Saturday 5/18
    Day
    89°
    50% Chance Rain Showers
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with isolated showers in the morning then variably cloudy with scattered showers in the afternoon. Highs around 91. Chance of rain 50 percent.
    Night Details
    Partly cloudy with isolated showers. Lows around 81. Chance of rain 20 percent.
  • Forecast day icon
    Sunday
    50% Chance Rain Showers
    90°
    Forecast night icon
    Night
    Partly Cloudy
    75°
    Sunday 5/19
    Day
    90°
    50% Chance Rain Showers
    Forecast day icon
    Night
    75°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with isolated showers in the morning then variably cloudy with scattered showers in the afternoon. Highs around 90. Chance of rain 50 percent.
    Night Details
    Partly cloudy with isolated showers. Lows around 80. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    89°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Monday 5/20
    Day
    89°
    50% Chance Rain Showers
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Variably cloudy with scattered showers in the morning then partly cloudy with isolated showers in the afternoon. Highs around 90. Chance of rain 50 percent.
    Night Details
    Partly cloudy with isolated showers. Lows around 80. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    87°
    Forecast night icon
    Night
    Partly Cloudy
    76°
    Tuesday 5/21
    Day
    87°
    Partly Cloudy
    Forecast day icon
    Night
    76°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with isolated showers. Highs around 90. Chance of rain 20 percent.
    Night Details
    Partly cloudy with isolated showers. Lows around 80. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    85°
    Forecast night icon
    Night
    60% Chance of Rain
    75°
    Wednesday 5/22
    Day
    85°
    50% Chance of Storms
    Forecast day icon
    Night
    75°
    60% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with isolated showers in the morning then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 89. Chance of rain 50 percent.
    Night Details
    Cloudy with a 55% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 72F with an average humidity of 86%. Winds will be 8 mph from the E.
  • Forecast day icon
    Thursday
    70% Chance of Rain
    84°
    Forecast night icon
    Night
    60% Chance of Rain
    76°
    Thursday 5/23
    Day
    84°
    70% Chance of Rain
    Forecast day icon
    Night
    76°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 70% chance for rain and thunderstorms. High temperature around 84F. Dew point will be around 72F with an average humidity of 75%. Winds will be 10 mph from the E.
    Night Details
    Cloudy with a 55% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 72F with an average humidity of 86%. Winds will be 8 mph from the E.
  • Forecast day icon
    Friday
    70% Chance of Rain
    85°
    Forecast night icon
    Night
    60% Chance of Rain
    76°
    Friday 5/24
    Day
    85°
    70% Chance of Rain
    Forecast day icon
    Night
    76°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a 70% chance for rain and thunderstorms. High temperature around 85F. Dew point will be around 73F with an average humidity of 73%. Winds will be 7 mph from the E.
    Night Details
    Cloudy with a 60% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 72F with an average humidity of 85%. Winds will be 6 mph from the E.