10-Day Weather Forecast - Marathon, FL

Sunny. Windy early. Highs in the lower to mid 60s. North winds 20 to 25 mph decreasing to near 10 mph this afternoon.

Mostly clear. Lows in the lower to mid 50s. Northeast to east winds near 5 mph.

Mostly sunny. Not as cool with highs in the mid 70s. Southeast winds 5 to 10 mph.

Partly cloudy. Not as cool with lows in the mid to upper 60s. Southeast winds 10 to 15 mph.

Mostly sunny. Highs in the upper 70s. Southeast winds near 10 mph.

Mostly clear with a slight chance of showers. Lows in the lower 70s. Highs near 80. Chance of rain 20 percent.

Mostly clear with a slight chance of showers. Lows in the lower 70s. Highs near 80. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers. Lows in the lower 70s. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers. Highs near 80. Lows near 70. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers. Highs near 80. Lows near 70. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers. Highs near 80. Lows near 70. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers. Highs near 80. Lows near 70. Chance of rain 20 percent.

Partly cloudy with a slight chance of showers. Highs near 80. Lows near 70. Chance of rain 20 percent.

Clear. Low temperature around 74F. Dew point will be around 69F with an average humidity of 82%. Winds will be 13 mph from the E.

Sunny. High temperature around 79F. Dew point will be around 70F with an average humidity of 77%. Winds will be 12 mph from the E.

Clear. Low temperature around 74F. Dew point will be around 68F with an average humidity of 81%. Winds will be 14 mph from the E.

Sunny. High temperature around 79F. Dew point will be around 69F with an average humidity of 76%. Winds will be 14 mph from the E.

Clear. Low temperature around 74F. Dew point will be around 68F with an average humidity of 81%. Winds will be 15 mph from the E.