10-Day Weather Forecast - Port Saint John, FL

Partly sunny. A slight chance of showers late in the afternoon and towards sunset. Cooler. Highs in the upper 70s. Northeast winds 10 to 15 mph becoming east 5 to 10 mph late in the afternoon and towards sunset. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 20 percent.

Partly sunny with a chance of showers and thunderstorms. Highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 50 percent.

Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.

Partly cloudy late in the morning then becoming mostly cloudy. A chance of thunderstorms. A chance of showers late in the morning then showers likely late in the afternoon and towards sunset. Highs in the lower 80s. Chance of rain 70 percent.

Partly cloudy. Showers likely and a chance of thunderstorms in the late evening and early morning then a chance of showers and a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 70 percent.

Considerable cloudiness with showers likely. A slight chance of thunderstorms late in the morning then a chance of thunderstorms late in the afternoon and towards sunset. Highs in the lower 80s. Chance of rain 70 percent.

Partly cloudy. A chance of showers and thunderstorms in the late evening and early morning then a slight chance of showers and thunderstorms after midnight. Cooler. Lows in the mid 50s. Chance of rain 30 percent.

Partly cloudy with a slight chance of showers. Much cooler. Highs in the mid 60s. Chance of rain 20 percent.

Partly cloudy. Lows in the lower 50s.

Partly sunny. Highs in the upper 60s.

Partly cloudy. Low temperature around 59F. Dew point will be around 55F with an average humidity of 83%. Winds will be 10 mph from the N.

Partly cloudy. High temperature around 71F. Dew point will be around 58F with an average humidity of 73%. Winds will be 12 mph from the NE.

Partly cloudy. Low temperature around 59F. Dew point will be around 56F with an average humidity of 84%. Winds will be 9 mph from the N.

Partly cloudy. High temperature around 72F. Dew point will be around 58F with an average humidity of 72%. Winds will be 9 mph from the N.

Clear. Low temperature around 58F. Dew point will be around 56F with an average humidity of 82%. Winds will be 5 mph from the NE.

Sunny. High temperature around 76F. Dew point will be around 57F with an average humidity of 68%. Winds will be 5 mph from the N.

Clear. Low temperature around 59F. Dew point will be around 57F with an average humidity of 79%. Winds will be 3 mph from the NE.