10-Day Weather Forecast - South Portland, ME

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  • 67|55°F
    Mostly Sunny

    Today

    67°F

    Mostly sunny. Highs in the upper 60s. South winds 15 to 20 mph with gusts up to 30 mph.

    Tonight

    55°F

    Partly cloudy with a 20 percent chance of showers. Lows in the lower 50s. Southwest winds 15 to 20 mph becoming south around 10 mph after midnight.

    Hourly details
  • Day

    65°F

    Partly sunny with a slight chance of rain in the morning then cloudy with rain likely in the afternoon. Highs in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.

    Night

    50°F

    Rain. Lows in the mid 40s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

    Hourly details
  • Day

    62°F

    Partly sunny. A chance of showers in the morning. Highs in the lower 60s. Light and variable winds becoming west around 10 mph in the afternoon. Chance of rain 50 percent.

    Night

    44°F

    Partly cloudy. Lows in the lower 40s.

    Hourly details
  • Day

    56°F

    Partly sunny. Highs in the upper 50s.

    Night

    42°F

    Mostly clear. Lows around 40.

    Hourly details
  • Weekend Weather

  • Day

    57°F

    Partly sunny. Highs in the mid 50s.

    Night

    46°F

    Mostly cloudy with a 40 percent chance of showers. Lows in the lower 40s.

    Hourly details
  • Day

    61°F

    Partly sunny. A chance of showers in the morning. Highs in the lower 60s. Chance of rain 30 percent.

    Night

    50°F

    Partly cloudy. A chance of showers after midnight. Lows in the mid 40s. Chance of rain 30 percent.

    Hourly details
  • Day

    55°F

    Mostly cloudy with a 40 percent chance of showers. Highs around 60.

    Night

    44°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 44F with an average humidity of 83%. Winds will be 5 mph from the NW.

  • Day

    58°F

    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 41F with an average humidity of 62%. Winds will be 5 mph from the SW.

    Night

    45°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 38F with an average humidity of 69%. Winds will be 5 mph from the W.

  • Day

    56°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 56F. Dew point will be around 41F with an average humidity of 66%. Winds will be 7 mph from the SW.

    Night

    46°F

    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 46F. Dew point will be around 41F with an average humidity of 76%. Winds will be 5 mph from the SW.

  • Day

    58°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 58F. Dew point will be around 44F with an average humidity of 70%. Winds will be 4 mph from the W.

    Night

    47°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 47F. Dew point will be around 43F with an average humidity of 78%. Winds will be 2 mph from the SW.