Stony Brook, New York | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Monday
    Partly Cloudy
    68°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Monday 5/20
    Day
    68°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Highs in the lower 70s. Northeast winds around 5 mph becoming east this afternoon.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. South winds 5 to 10 mph.
  • Forecast day icon
    Tuesday
    Partly Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    58°
    Tuesday 5/21
    Day
    69°
    Partly Sunny
    Forecast day icon
    Night
    58°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then clearing. Highs in the mid 70s. South winds 5 to 10 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. South winds 10 to 15 mph.
  • Forecast day icon
    Wednesday
    Sunny
    73°
    Forecast night icon
    Night
    Partly Cloudy
    59°
    Wednesday 5/22
    Day
    73°
    Sunny
    Forecast day icon
    Night
    59°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 80. Southwest winds 10 to 15 mph.
    Night Details
    Mostly clear in the evening then becoming partly cloudy. Lows around 60.
  • Forecast day icon
    Thursday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    40% Chance of Storms
    63°
    Thursday 5/23
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    63°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 70s.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows around 60. Chance of rain 40 percent.
  • Forecast day icon
    Friday
    30% Chance Rain Showers
    76°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Friday 5/24
    Day
    76°
    30% Chance Rain Showers
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the morning. Highs in the mid 70s. Chance of rain 30 percent.
    Night Details
    Partly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Saturday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Saturday 5/25
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s.
    Night Details
    Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Sunday
    30% Chance Rain Showers
    63°
    Forecast night icon
    Night
    30% Chance of Rain
    52°
    Sunday 5/26
    Day
    63°
    30% Chance Rain Showers
    Forecast day icon
    Night
    52°
    30% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. A chance of showers in the afternoon. Highs in the upper 60s. Chance of rain 30 percent.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 52F. Dew point will be around 49F with an average humidity of 82%. Winds will be 6 mph from the SE.
  • Forecast day icon
    Monday
    40% Chance of Rain
    67°
    Forecast night icon
    Night
    40% Chance of Rain
    58°
    Monday 5/27
    Day
    67°
    40% Chance of Rain
    Forecast day icon
    Night
    58°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 67F. Dew point will be around 56F with an average humidity of 80%. Winds will be 5 mph from the E.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 58F. Dew point will be around 56F with an average humidity of 89%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    67°
    Forecast night icon
    Night
    40% Chance of Rain
    59°
    Tuesday 5/28
    Day
    67°
    40% Chance of Rain
    Forecast day icon
    Night
    59°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 67F. Dew point will be around 58F with an average humidity of 80%. Winds will be 4 mph from the SE.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 59F. Dew point will be around 57F with an average humidity of 89%. Winds will be 4 mph from the E.
  • Forecast day icon
    Wednesday
    50% Chance of Rain
    67°
    Forecast night icon
    Night
    40% Chance of Rain
    59°
    Wednesday 5/29
    Day
    67°
    50% Chance of Rain
    Forecast day icon
    Night
    59°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 67F. Dew point will be around 57F with an average humidity of 79%. Winds will be 4 mph from the E.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 59F. Dew point will be around 56F with an average humidity of 84%. Winds will be 2 mph from the E.