10-Day Weather Forecast - Port Saint John, FL

Patchy frost in the morning. Sunny. Highs in the lower 60s. West winds 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Lowest wind chill readings around 30 in the morning.

Clear. Not as cool. Lows in the upper 40s. West winds 5 to 10 mph with gusts up to 30 mph.

Sunny. Highs in the mid 60s. Northwest winds 10 to 15 mph becoming north in the afternoon.

Clear. Lows in the mid 40s. North winds 5 to 10 mph.

Sunny. Highs in the upper 60s.

Clear. Lows in the mid 40s.

Sunny. Highs in the lower 70s.

Clear. Lows in the upper 40s.

Mostly sunny. Highs in the mid 70s.

Partly cloudy. Lows in the lower 50s.

Partly sunny. Highs in the upper 70s.

Clear. Lows in the lower 50s.

Sunny. Highs in the upper 70s.

Clear. Low temperature around 56F. Dew point will be around 57F with an average humidity of 91%. Winds will be 2 mph from the E.

Sunny. High temperature around 79F. Dew point will be around 59F with an average humidity of 70%. Winds will be 2 mph from the SW.

Clear. Low temperature around 56F. Dew point will be around 58F with an average humidity of 90%. Winds will be 2 mph from the SW.

Mostly sunny. High temperature around 75F. Dew point will be around 58F with an average humidity of 70%. Winds will be 4 mph from the SW.

Partly cloudy. Low temperature around 54F. Dew point will be around 54F with an average humidity of 86%. Winds will be 3 mph from the W.