10-Day Weather Forecast - Port Saint John, FL

Mostly cloudy. A chance of showers early in the morning then a slight chance of afternoon showers. Highs around 70. West winds around 5 mph increasing to 10 to 15 mph. Chance of rain 40 percent.

Considerable cloudiness. A slight chance of evening showers then showers likely after midnight. Lows in the lower 50s. West winds 5 to 10 mph. Chance of rain 70 percent.

Considerable cloudiness with a chance of showers in the morning then partly sunny in the afternoon. Highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Clear. Much cooler. Lows in the mid 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill readings in the upper 20s.

Sunny. Highs in the upper 50s. North winds 5 to 10 mph. Lowest wind chill readings in the mid 20s in the morning.

Clear. Lows in the lower 40s.

Mostly sunny. Not as cool. Highs in the upper 60s.

Partly cloudy. Lows in the upper 40s.

Mostly sunny. Highs in the lower 60s.

Clear. Lows in the upper 30s.

Sunny. Highs in the lower 60s.

Clear. Lows in the lower 40s.

Sunny. Highs in the mid 60s.

Clear. Low temperature around 47F. Dew point will be around 44F with an average humidity of 81%. Winds will be 4 mph from the N.

Sunny. High temperature around 69F. Dew point will be around 52F with an average humidity of 73%. Winds will be 6 mph from the NE.

Clear. Low temperature around 54F. Dew point will be around 54F with an average humidity of 95%. Winds will be 3 mph from the NE.

Sunny. High temperature around 74F. Dew point will be around 60F with an average humidity of 79%. Winds will be 5 mph from the E.

Mostly clear. Low temperature around 58F. Dew point will be around 60F with an average humidity of 98%. Winds will be 3 mph from the E.