10-Day Weather Forecast - Port Saint John, FL

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  • |42°F
    Mostly Clear
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    Tonight

    42°F

    Mostly clear. Low temperature around 42F. Dew point will be around 26F with an average humidity of 38%. Winds will be 9 mph from the NW.

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  • Day

    59°F

    Clear. Highs around 60. Northwest winds 10 to 15 mph becoming north around 5 mph in the afternoon. Lowest wind chill readings in the mid 20s early in the morning.

    Night

    41°F

    Clear. Areas of frost after midnight. Lows in the mid 30s. Light and variable winds becoming west around 5 mph after midnight.

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  • Day

    72°F

    Partly sunny. Not as cool. Highs in the lower 70s. Southwest winds 5 to 10 mph.

    Night

    50°F

    Partly cloudy in the evening then becoming clear. Not as cool. Lows in the upper 40s. Southwest winds around 5 mph.

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  • Day

    79°F

    Sunny in the morning then becoming partly sunny. Highs in the upper 70s. South winds 5 to 10 mph.

    Night

    63°F

    Partly cloudy. Not as cool. Lows in the upper 50s.

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  • Day

    82°F

    Partly sunny with a slight chance of showers in the morning then considerable cloudiness with a chance of afternoon showers. Highs in the lower 80s. Chance of rain 50 percent.

    Night

    66°F

    Mostly cloudy with showers likely. Lows in the lower 60s. Chance of rain 70 percent.

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  • Weekend Weather

  • Day

    75°F

    Considerable cloudiness with a slight chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.

    Night

    65°F

    Partly cloudy. A chance of evening showers then a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent.

    Hourly details
  • Day

    73°F

    Partly sunny. A slight chance of showers in the morning then a chance of afternoon showers. Highs in the mid 70s. Chance of rain 30 percent.

    Night

    62°F

    Mostly clear. A slight chance of evening showers. Lows in the lower 60s. Chance of rain 20 percent.

    Hourly details
  • Day

    81°F

    Mostly sunny. A chance of afternoon showers. Highs in the mid 70s. Chance of rain 30 percent.

    Night

    66°F

    Clear. Low temperature around 66F. Dew point will be around 66F with an average humidity of 95%. Winds will be 4 mph from the E.

  • Day

    80°F

    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 80F. Dew point will be around 67F with an average humidity of 77%. Winds will be 5 mph from the E.

    Night

    65°F

    Clear. Low temperature around 65F. Dew point will be around 65F with an average humidity of 93%. Winds will be 4 mph from the E.

  • Day

    78°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 78F. Dew point will be around 66F with an average humidity of 78%. Winds will be 6 mph from the NE.

    Night

    65°F

    Mostly clear. Low temperature around 65F. Dew point will be around 64F with an average humidity of 92%. Winds will be 5 mph from the NE.