Guaynabo, Puerto Rico Territory | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    88°
    Forecast night icon
    Night
    40% Chance Rain Showers
    78°
    Saturday 5/18
    Day
    88°
    50% Chance Rain Showers
    Forecast day icon
    Night
    78°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with isolated showers late this morning then variably cloudy with scattered showers this afternoon. Highs around 91. East winds 10 to 15 mph. Chance of rain 50 percent.
    Night Details
    Partly cloudy. Isolated showers in the evening then scattered showers after midnight. Lows around 81. East winds 5 to 10 mph. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    60% Chance of Storms
    87°
    Forecast night icon
    Night
    40% Chance Rain Showers
    78°
    Sunday 5/19
    Day
    87°
    60% Chance of Storms
    Forecast day icon
    Night
    78°
    40% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with scattered showers in the morning then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 90. East winds 10 to 15 mph. Chance of rain 60 percent.
    Night Details
    Partly cloudy. Scattered showers early in the evening then isolated showers in the late evening and overnight. Lows around 82. Southeast winds 5 to 10 mph. Chance of rain 40 percent.
  • Forecast day icon
    Monday
    50% Chance Rain Showers
    90°
    Forecast night icon
    Night
    Partly Cloudy
    78°
    Monday 5/20
    Day
    90°
    50% Chance Rain Showers
    Forecast day icon
    Night
    78°
    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 91. East winds 10 to 15 mph. Chance of rain 50 percent.
    Night Details
    Partly cloudy with isolated showers. Lows around 81. Chance of rain 20 percent.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    89°
    Forecast night icon
    Night
    Partly Cloudy
    79°
    Tuesday 5/21
    Day
    89°
    Partly Cloudy
    Forecast day icon
    Night
    79°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with isolated showers. Highs around 91. Chance of rain 20 percent.
    Night Details
    Partly cloudy with isolated showers. Lows around 82. Chance of rain 20 percent.
  • Forecast day icon
    Wednesday
    50% Chance of Storms
    87°
    Forecast night icon
    Night
    50% Chance of Storms
    77°
    Wednesday 5/22
    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 87. Chance of rain 50 percent.
    Night Details
    Mostly cloudy with scattered showers with isolated thunderstorms. Lows around 82. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    60% Chance of Storms
    88°
    Forecast night icon
    Night
    50% Chance of Storms
    78°
    Thursday 5/23
    Day
    88°
    60% Chance of Storms
    Forecast day icon
    Night
    78°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Variably cloudy in the morning then becoming cloudy. Isolated thunderstorms. Scattered showers in the morning then numerous showers in the afternoon. Highs around 87. Chance of rain 60 percent.
    Night Details
    Mostly cloudy with scattered showers with isolated thunderstorms. Lows around 81. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    60% Chance of Storms
    90°
    Forecast night icon
    Night
    70% Chance of Rain
    79°
    Friday 5/24
    Day
    90°
    60% Chance of Storms
    Forecast day icon
    Night
    79°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with numerous showers with isolated thunderstorms. Highs around 88. Chance of rain 60 percent.
    Night Details
    Partly cloudy with a 65% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 76F with an average humidity of 85%. Winds will be 6 mph from the SE.
  • Forecast day icon
    Saturday
    80% Chance of Storms
    89°
    Forecast night icon
    Night
    60% Chance of Storms
    79°
    Saturday 5/25
    Day
    89°
    80% Chance of Storms
    Forecast day icon
    Night
    79°
    60% Chance of Storms
    Forecast night icon
    Day Details
    Partly cloudy with a 75% chance for rain and thunderstorms. High temperature around 89F. Dew point will be around 77F with an average humidity of 75%. Winds will be 8 mph from the SE.
    Night Details
    Cloudy with a 70% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 76F with an average humidity of 85%. Winds will be 6 mph from the E.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    87°
    Forecast night icon
    Night
    60% Chance of Storms
    79°
    Sunday 5/26
    Day
    87°
    70% Chance of Storms
    Forecast day icon
    Night
    79°
    60% Chance of Storms
    Forecast night icon
    Day Details
    Partly cloudy with a 80% chance for rain and thunderstorms. High temperature around 87F. Dew point will be around 77F with an average humidity of 77%. Winds will be 8 mph from the SE.
    Night Details
    Cloudy with a 80% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 76F with an average humidity of 86%. Winds will be 7 mph from the E.
  • Forecast day icon
    Monday
    70% Chance of Storms
    87°
    Forecast night icon
    Night
    70% Chance of Storms
    79°
    Monday 5/27
    Day
    87°
    70% Chance of Storms
    Forecast day icon
    Night
    79°
    70% Chance of Storms
    Forecast night icon
    Day Details
    Cloudy with a 95% chance for rain and thunderstorms. High temperature around 87F. Dew point will be around 78F with an average humidity of 77%. Winds will be 11 mph from the E.
    Night Details
    Cloudy with a 95% chance for rain and thunderstorms. Low temperature around 79F. Dew point will be around 76F with an average humidity of 87%. Winds will be 9 mph from the E.