10-Day Weather Forecast - Port Saint John, FL

Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Northeast winds 5 to 10 mph increasing to 10 to 15 mph late in the afternoon and towards sunset. Chance of rain 40 percent. Heat index values up to 102.

Partly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Northeast winds 5 to 10 mph increasing to 10 to 15 mph after midnight. Chance of rain 40 percent.

Partly sunny with a chance of showers and a slight chance of thunderstorms. Windy. Highs in the upper 80s. Northeast winds 15 to 20 mph increasing to 20 to 25 mph late in the afternoon and towards sunset. Chance of rain 30 percent.

Partly cloudy with a chance of showers and a slight chance of thunderstorms. Breezy. Lows in the upper 70s. Northeast winds 15 to 20 mph decreasing to 10 to 15 mph after midnight. Chance of rain 40 percent.

Partly cloudy with showers likely and a chance of thunderstorms. Highs in the upper 80s. Chance of rain 60 percent.

Partly cloudy with a chance of showers. A chance of thunderstorms in the late evening and early morning, then a slight chance of thunderstorms after midnight. Lows in the upper 70s. Chance of rain 50 percent.

Partly sunny. A chance of showers and thunderstorms late in the morning, then showers and thunderstorms likely late in the afternoon and towards sunset. Highs in the upper 80s. Chance of rain 70 percent.

A chance of thunderstorms in the late evening and early morning. Partly cloudy with a chance of showers. Lows in the upper 70s. Chance of rain 40 percent.

Partly sunny. A chance of showers and thunderstorms late in the morning, then showers and thunderstorms likely late in the afternoon and towards sunset. Highs in the upper 80s. Chance of rain 70 percent.

A slight chance of thunderstorms in the late evening and early morning. Partly cloudy with a slight chance of showers. Lows in the mid 70s. Chance of rain 20 percent.

Partly cloudy with 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 upper 80s. Chance of rain 70 percent.

Partly cloudy. A slight chance of showers and thunderstorms in the late evening and early morning. Lows in the mid 70s. Chance of rain 20 percent.

Partly sunny with 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 upper 80s. Chance of rain 60 percent.

Mostly clear with a 65% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 74F with an average humidity of 92%. Winds will be 3 mph from the E.

Mostly sunny with a 75% chance for rain and thunderstorms. High temperature around 86F. Dew point will be around 77F with an average humidity of 84%. Winds will be 3 mph from the E.

Partly cloudy with a 75% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 74F with an average humidity of 92%. Winds will be 3 mph from the E.

Mostly sunny with a 75% chance for rain and thunderstorms. High temperature around 85F. Dew point will be around 77F with an average humidity of 85%. Winds will be 3 mph from the NE.

Mostly clear with a 70% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 74F with an average humidity of 90%. Winds will be 2 mph from the NE.