10-Day Weather Forecast - Marathon, FL

Partly sunny becoming mostly cloudy. A chance of showers. Becoming windy. Highs near 70. West winds 5 to 10 mph becoming northwest and increasing to near 20 mph. Chance of rain 40 percent.

Partly cloudy. Windy becoming breezy. Colder. Lows 50 to 55. Northwest winds 20 to 25 mph becoming northwest to north and decreasing to 15 to 20 mph.

Mostly sunny. Breezy early. Highs in the lower to mid 60s. Northwest to north winds 15 to 20 mph decreasing to 10 to 15 mph.

Mostly clear. Lows in the mid to upper 50s. Northwest winds 10 to 15 mph.

Mostly sunny. Highs in the upper 60s.

Mostly clear. Lows in the upper 50s. Highs near 70.

Mostly clear. Lows in the upper 50s. Highs near 70.

Mostly clear. Lows in the lower 60s. Highs in the lower 70s.

Mostly clear. Lows in the lower 60s. Highs in the lower 70s.

Mostly clear. Lows in the lower to mid 60s.

Partly cloudy. Highs in the mid 70s. Lows in the mid to upper 60s.

Partly cloudy. Highs in the mid 70s. Lows in the mid to upper 60s.

Partly cloudy. Highs in the mid 70s. Lows in the mid to upper 60s.

Clear. Low temperature around 64F. Dew point will be around 61F with an average humidity of 86%. Winds will be 7 mph from the E.

Sunny. High temperature around 69F. Dew point will be around 62F with an average humidity of 82%. Winds will be 7 mph from the E.

Clear. Low temperature around 65F. Dew point will be around 63F with an average humidity of 88%. Winds will be 9 mph from the E.

Sunny. High temperature around 71F. Dew point will be around 63F with an average humidity of 85%. Winds will be 9 mph from the SE.

Clear. Low temperature around 66F. Dew point will be around 64F with an average humidity of 90%. Winds will be 9 mph from the SE.