10-Day Weather Forecast - Port Saint John, FL

Mostly cloudy early in the morning then considerable cloudiness with a slight chance of showers. Breezy. Highs in the mid 60s. Northeast winds 15 to 20 mph with gusts up to 35 mph decreasing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 20 percent.

Partly cloudy. A slight chance of evening showers. Lows in the mid 50s. North winds 5 to 10 mph. Chance of rain 20 percent.

Partly sunny. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Partly cloudy. Lows in the upper 50s. East winds 5 to 10 mph.

Considerable cloudiness. Highs in the mid 70s. East winds 5 to 10 mph.

Considerable cloudiness. Lows in the lower 60s.

Partly cloudy. A slight chance of afternoon showers. Highs in the upper 70s. Chance of rain 20 percent.

Considerable cloudiness with a slight chance of showers. Lows in the lower 60s. Chance of rain 20 percent.

Partly sunny. Highs in the upper 70s.

Partly cloudy. Lows in the lower 60s.

Partly sunny. Highs in the upper 70s.

Partly cloudy. Lows in the lower 60s.

Partly sunny. Highs in the upper 70s.

Partly cloudy. Low temperature around 64F. Dew point will be around 64F with an average humidity of 95%. Winds will be 2 mph from the E.

Mostly sunny. High temperature around 79F. Dew point will be around 66F with an average humidity of 80%. Winds will be 5 mph from the NE.

Mostly clear. Low temperature around 63F. Dew point will be around 64F with an average humidity of 94%. Winds will be 4 mph from the NE.

Sunny. High temperature around 79F. Dew point will be around 66F with an average humidity of 80%. Winds will be 5 mph from the E.

Clear. Low temperature around 63F. Dew point will be around 64F with an average humidity of 95%. Winds will be 4 mph from the NE.