San Martín, San Juan, PR | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    82°
    Forecast night icon
    Night
    60% Chance Rain Showers
    73°
    Tuesday 4/23
    Day
    82°
    70% Chance of Storms
    Forecast day icon
    Night
    73°
    60% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Cloudy with numerous showers. Isolated thunderstorms this afternoon. Highs around 90. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
    Night Details
    Mostly cloudy with numerous showers. Lows around 79. Southeast winds around 5 mph. Chance of rain 60 percent.
  • Forecast day icon
    Wednesday
    70% Chance of Storms
    81°
    Forecast night icon
    Night
    70% Chance of Storms
    74°
    Wednesday 4/24
    Day
    81°
    70% Chance of Storms
    Forecast day icon
    Night
    74°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with isolated thunderstorms. Numerous showers mainly in the morning. Highs around 88. Southeast winds 10 to 15 mph. Chance of rain 70 percent.
    Night Details
    Cloudy with numerous showers with isolated thunderstorms. Lows around 79. East winds 5 to 10 mph. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    60% Chance Rain Showers
    81°
    Forecast night icon
    Night
    50% Chance Rain Showers
    73°
    Thursday 4/25
    Day
    81°
    60% Chance Rain Showers
    Forecast day icon
    Night
    73°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with numerous showers in the morning then variably cloudy with scattered showers in the afternoon. Highs around 88. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent.
    Night Details
    Variably cloudy with scattered showers. Lows around 76. Chance of rain 50 percent.
  • Forecast day icon
    Friday
    50% Chance of Storms
    82°
    Forecast night icon
    Night
    50% Chance of Storms
    73°
    Friday 4/26
    Day
    82°
    50% Chance of Storms
    Forecast day icon
    Night
    73°
    50% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming variably cloudy. Scattered showers. Isolated thunderstorms in the afternoon. Highs around 88. Chance of rain 50 percent.
    Night Details
    Variably cloudy with scattered showers with isolated thunderstorms. Lows around 77. Chance of rain 50 percent.
  • Forecast day icon
    Saturday
    40% Chance Rain Showers
    81°
    Forecast night icon
    Night
    30% Chance Rain Showers
    74°
    Saturday 4/27
    Day
    81°
    40% Chance Rain Showers
    Forecast day icon
    Night
    74°
    30% Chance Rain Showers
    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 85. Chance of rain 40 percent.
    Night Details
    Variably cloudy with scattered showers. Lows around 77. Chance of rain 30 percent.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    80°
    Forecast night icon
    Night
    Partly Cloudy
    72°
    Sunday 4/28
    Day
    80°
    30% Chance Rain Showers
    Forecast day icon
    Night
    72°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Variably cloudy with scattered showers. Highs around 86. Chance of rain 30 percent.
    Night Details
    Partly cloudy with isolated showers. Lows around 76. Chance of rain 20 percent.
  • Forecast day icon
    Monday
    Partly Cloudy
    79°
    Forecast night icon
    Night
    40% Chance of Rain
    71°
    Monday 4/29
    Day
    79°
    Partly Cloudy
    Forecast day icon
    Night
    71°
    40% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with isolated showers. Highs around 86. Chance of rain 20 percent.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 71F. Dew point will be around 67F with an average humidity of 83%. Winds will be 10 mph from the NE.
  • Forecast day icon
    Tuesday
    50% Chance of Rain
    79°
    Forecast night icon
    Night
    40% Chance of Rain
    72°
    Tuesday 4/30
    Day
    79°
    50% Chance of Rain
    Forecast day icon
    Night
    72°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 45%. High temperature around 79F. Dew point will be around 69F with an average humidity of 79%. Winds will be 13 mph from the E.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 72F. Dew point will be around 69F with an average humidity of 87%. Winds will be 10 mph from the NE.
  • Forecast day icon
    Wednesday
    60% Chance of Rain
    79°
    Forecast night icon
    Night
    60% Chance of Rain
    73°
    Wednesday 5/1
    Day
    79°
    60% Chance of Rain
    Forecast day icon
    Night
    73°
    60% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 79F. Dew point will be around 71F with an average humidity of 83%. Winds will be 13 mph from the E.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 55%. Low temperature around 73F. Dew point will be around 71F with an average humidity of 89%. Winds will be 10 mph from the E.
  • Forecast day icon
    Thursday
    Thunderstorms
    79°
    Forecast night icon
    Night
    80% Chance of Rain
    74°
    Thursday 5/2
    Day
    79°
    Thunderstorms
    Forecast day icon
    Night
    74°
    80% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a 85% chance for rain and thunderstorms. High temperature around 79F. Dew point will be around 73F with an average humidity of 85%. Winds will be 11 mph from the E.
    Night Details
    Mostly cloudy with a 80% chance for rain and thunderstorms. Low temperature around 74F. Dew point will be around 72F with an average humidity of 90%. Winds will be 9 mph from the E.