South Portland, Maine | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    46°
    Thursday 4/18
    Forecast night icon
    46°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. Scattered sprinkles this evening. Lows in the upper 30s. South winds around 10 mph this evening becoming light and variable.
  • Forecast day icon
    Friday
    Partly Sunny
    52°
    Forecast night icon
    Night
    60% Chance Rain Showers
    47°
    Friday 4/19
    Day
    52°
    Partly Sunny
    Forecast day icon
    Night
    47°
    60% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 50s. Light and variable winds becoming southeast around 10 mph with gusts up to 20 mph in the afternoon.
    Night Details
    Mostly cloudy. Scattered showers in the evening then rain likely after midnight. Lows in the lower 40s. South winds around 10 mph with gusts up to 25 mph. Chance of rain 60 percent.
  • Forecast day icon
    Saturday
    50% Chance Rain Showers
    56°
    Forecast night icon
    Night
    Partly Cloudy
    42°
    Saturday 4/20
    Day
    56°
    50% Chance Rain Showers
    Forecast day icon
    Night
    42°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with scattered showers. Highs in the upper 50s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.
    Night Details
    Partly cloudy in the evening then clearing. Lows in the upper 30s. West winds around 10 mph.
  • Forecast day icon
    Sunday
    Mostly Sunny
    55°
    Forecast night icon
    Night
    Mostly Clear
    41°
    Sunday 4/21
    Day
    55°
    Mostly Sunny
    Forecast day icon
    Night
    41°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the mid 50s.
    Night Details
    Mostly clear. Lows in the mid 30s.
  • Forecast day icon
    Monday
    Mostly Sunny
    54°
    Forecast night icon
    Night
    Mostly Clear
    39°
    Monday 4/22
    Day
    54°
    Mostly Sunny
    Forecast day icon
    Night
    39°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 50s.
    Night Details
    Mostly clear. Lows in the mid 30s.
  • Forecast day icon
    Tuesday
    Partly Sunny
    53°
    Forecast night icon
    Night
    50% Chance Rain Showers
    47°
    Tuesday 4/23
    Day
    53°
    Partly Sunny
    Forecast day icon
    Night
    47°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Partly sunny. Highs in the mid 50s.
    Night Details
    Mostly cloudy. Scattered showers after midnight. Lows in the lower 40s. Chance of rain 50 percent.
  • Forecast day icon
    Wednesday
    60% Chance of Rain
    57°
    Forecast night icon
    Night
    50% Chance Rain Showers
    39°
    Wednesday 4/24
    Day
    57°
    60% Chance of Rain
    Forecast day icon
    Night
    39°
    50% Chance Rain Showers
    Forecast night icon
    Hourly
    Day Details
    Rain likely. Highs in the mid 50s. Chance of rain 60 percent.
    Night Details
    Partly cloudy with scattered rain showers. Lows in the lower 30s. Chance of rain 50 percent.
  • Forecast day icon
    Thursday
    Mostly Sunny
    54°
    Forecast night icon
    Night
    Clear
    40°
    Thursday 4/25
    Day
    54°
    Mostly Sunny
    Forecast day icon
    Night
    40°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. Highs in the lower 50s.
    Night Details
    Clear. Low temperature around 40F. Dew point will be around 30F with an average humidity of 58%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Friday
    Sunny
    55°
    Forecast night icon
    Night
    Clear
    42°
    Friday 4/26
    Day
    55°
    Sunny
    Forecast day icon
    Night
    42°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 55F. Dew point will be around 32F with an average humidity of 50%. Winds will be 3 mph from the NW.
    Night Details
    Clear. Low temperature around 42F. Dew point will be around 32F with an average humidity of 61%. Winds will be 4 mph from the W.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    55°
    Forecast night icon
    Night
    40% Chance of Rain
    45°
    Saturday 4/27
    Day
    55°
    30% Chance of Rain
    Forecast day icon
    Night
    45°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 55F. Dew point will be around 37F with an average humidity of 58%. Winds will be 4 mph from the SE.
    Night Details
    Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 45F. Dew point will be around 37F with an average humidity of 68%. Winds will be 2 mph from the S.