10-Day Weather Forecast - Marathon, FL

Mostly sunny. Highs in the upper 70s. North to northeast winds near 5 mph becoming northeast to east.

Mostly clear. Lows in the upper 60s. East winds near 5 mph.

Mostly sunny. Highs in the upper 70s. Northeast to east winds near 5 mph becoming light and variable.

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

Mostly sunny in the morning then becoming partly sunny. A slight chance of showers. Becoming breezy late. Highs in the mid to upper 70s. Chance of rain 20 percent.

Partly cloudy. Breezy. Lows near 60 except in the mid to upper 50s in the upper keys.

Mostly sunny. Breezy in the morning. Highs in the upper 60s.

Mostly clear. Lows near 60 except in the mid to upper 50s in the upper keys. Highs near 70.

Mostly clear. Lows near 60 except in the mid to upper 50s in the upper keys. Highs near 70.

Mostly clear. Lows in the lower 60s except in the mid to upper 50s in the upper keys. Highs in the lower 70s.

Mostly clear. Lows in the lower 60s except in the mid to upper 50s in the upper keys. Highs in the lower 70s.

Clear. Low temperature around 64F. Dew point will be around 54F with an average humidity of 65%. Winds will be 6 mph from the NE.

Sunny. High temperature around 70F. Dew point will be around 58F with an average humidity of 70%. Winds will be 9 mph from the E.

Clear. Low temperature around 67F. Dew point will be around 58F with an average humidity of 72%. Winds will be 10 mph from the E.

Sunny. High temperature around 72F. Dew point will be around 60F with an average humidity of 70%. Winds will be 9 mph from the E.

Clear. Low temperature around 68F. Dew point will be around 61F with an average humidity of 75%. Winds will be 9 mph from the E.

Sunny. High temperature around 72F. Dew point will be around 62F with an average humidity of 73%. Winds will be 8 mph from the E.

Clear. Low temperature around 68F. Dew point will be around 61F with an average humidity of 76%. Winds will be 9 mph from the NE.