10-Day Weather Forecast - South Portland, ME

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  • Weekend Weather

  • 18|14°F
    40% Chance of Snow
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    Today

    18°F

    Partly cloudy with a chance of snow. Chance of precipitation 35%. High temperature around 18F. Dew point will be around 3F with an average humidity of 50%. Winds will be 6 mph from the N.

    Tonight

    14°F

    Partly cloudy this afternoon then clearing. Lows 5 to 10 above. North winds around 10 mph with gusts up to 20 mph this afternoon becoming light and variable.

    Hourly details
  • Day

    31°F

    Mostly sunny. Highs in the mid 30s. Light and variable winds.

    Night

    27°F

    Cloudy. Freezing rain snow with a slight chance of sleet after midnight. Little or no snow and sleet accumulation. Ice accumulation of up to two tenths of an inch. Lows around 20. Light and variable winds. Chance of precipitation 90 percent.

    Hourly details
  • Day

    40°F

    Rain and freezing rain in the morning then rain in the afternoon. Patchy fog in the morning. Patchy fog in the afternoon. Highs in the lower 40s. South winds around 10 mph with gusts up to 20 mph. Chance of precipitation near 100 percent.

    Night

    27°F

    Mostly cloudy in the evening then becoming partly cloudy. Rain likely in the evening. Lows around 20. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.

    Hourly details
  • Day

    26°F

    Partly sunny. Highs in the upper 20s.

    Night

    15°F

    Partly cloudy. Lows around 10 above.

    Hourly details
  • Day

    29°F

    Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 20s.

    Night

    20°F

    Mostly cloudy. Lows around 15.

    Hourly details
  • Day

    21°F

    Mostly cloudy. A chance of snow showers in the afternoon. Highs in the mid 20s. Chance of snow 30 percent.

    Night

    12°F

    Mostly cloudy with a 30 percent chance of snow showers. Lows 5 to 10 above.

    Hourly details
  • Day

    19°F

    Partly sunny. Highs in the lower 20s.

    Night

    6°F

    Partly cloudy. Lows 5 to 10 above.

  • Weekend Weather

  • Day

    17°F

    Partly sunny. Highs in the mid 20s.

    Night

    16°F

    Mostly clear. Low temperature around 16F. Dew point will be around 9F with an average humidity of 72%. Winds will be 4 mph from the SW.

  • Day

    26°F

    Cloudy with a slight chance of snow. Chance of precipitation 30%. High temperature around 26F. Dew point will be around 13F with an average humidity of 67%. Winds will be 5 mph from the SW.

    Night

    17°F

    Partly cloudy. Low temperature around 17F. Dew point will be around 13F with an average humidity of 71%. Winds will be 6 mph from the W.

  • Day

    26°F

    Sunny. High temperature around 26F. Dew point will be around 11F with an average humidity of 60%. Winds will be 5 mph from the W.

    Night

    17°F

    Mostly clear with a slight chance of snow. Chance of precipitation 30%. Low temperature around 17F. Dew point will be around 12F with an average humidity of 71%. Winds will be 2 mph from the NW.