10-Day Weather Forecast - Port Saint John, FL

Mostly clear. Highs in the mid 70s. North winds 5 to 10 mph becoming northeast in the afternoon.

Partly cloudy. Lows in the lower 60s. North winds around 5 mph.

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

Partly cloudy. Lows in the lower 60s. North winds 5 to 10 mph.

Partly sunny. Highs in the mid 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph.

Partly cloudy. A slight chance of evening showers. Lows in the mid 60s. Chance of rain 20 percent.

Mostly sunny. Highs in the mid 70s.

Clear. Lows around 60.

Sunny. Highs in the mid 70s.

Partly cloudy. Lows in the lower 60s.

Mostly sunny. Highs in the mid 70s.

Clear in the evening then becoming partly cloudy. Lows in the upper 50s.

Mostly sunny. Highs in the upper 70s.

Clear. Low temperature around 60F. Dew point will be around 59F with an average humidity of 88%. Winds will be 2 mph from the NW.

Sunny. High temperature around 78F. Dew point will be around 61F with an average humidity of 72%. Winds will be 2 mph from the NW.

Clear. Low temperature around 59F. Dew point will be around 59F with an average humidity of 88%. Winds will be 2 mph from the NW.

Sunny. High temperature around 77F. Dew point will be around 61F with an average humidity of 73%. Winds will be 2 mph from the N.

Clear. Low temperature around 60F. Dew point will be around 58F with an average humidity of 86%. Winds will be 2 mph from the NW.