10-Day Weather Forecast - Port Saint Lucie, FL

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  • |37°F
    Mostly Clear
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    Tonight

    37°F

    Clear in the evening then becoming mostly clear. Widespread frost after midnight. Lows around 30. Northwest winds around 5 mph.

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  • Day

    64°F

    Widespread frost in the morning. Partly sunny. Highs in the upper 60s. North winds around 5 mph becoming northeast in the afternoon.

    Night

    50°F

    Partly cloudy. Not as cool. Lows in the lower 40s. Light and variable winds.

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  • Day

    68°F

    Mostly sunny. Highs in the mid 70s. West winds around 5 mph becoming southwest in the afternoon.

    Night

    51°F

    Clear in the evening then partly cloudy with a slight chance of showers after midnight. Lows in the upper 40s. Southwest winds around 5 mph. Chance of rain 20 percent.

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  • Day

    62°F

    Considerable cloudiness with a chance of showers in the morning then partly sunny with a slight chance of afternoon showers. Highs in the upper 60s. Chance of rain 30 percent.

    Night

    40°F

    Clear cooler. Lows in the upper 30s.

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  • Day

    61°F

    Sunny. Highs in the mid 60s.

    Night

    45°F

    Clear. Lows around 40.

    Hourly details
  • Weekend Weather

  • Day

    69°F

    Sunny. Highs in the lower 70s.

    Night

    48°F

    Clear. Lows in the lower 40s.

    Hourly details
  • Day

    73°F

    Sunny. Highs in the mid 70s.

    Night

    50°F

    Clear. Lows in the mid 40s.

    Hourly details
  • Day

    68°F

    Sunny. Highs in the mid 70s.

    Night

    53°F

    Clear. Low temperature around 53F. Dew point will be around 52F with an average humidity of 89%. Winds will be 5 mph from the NE.

  • Day

    68°F

    Mostly sunny. High temperature around 68F. Dew point will be around 54F with an average humidity of 76%. Winds will be 7 mph from the NE.

    Night

    55°F

    Mostly clear. Low temperature around 55F. Dew point will be around 55F with an average humidity of 91%. Winds will be 6 mph from the E.

  • Day

    70°F

    Sunny. High temperature around 70F. Dew point will be around 58F with an average humidity of 79%. Winds will be 8 mph from the E.

    Night

    58°F

    Mostly clear. Low temperature around 58F. Dew point will be around 58F with an average humidity of 94%. Winds will be 7 mph from the E.