10-Day Weather Forecast - San Marco, FL

Partly sunny. Highs in the lower 60s. North winds 10 to 15 mph.

Mostly cloudy. Lows in the upper 40s. Northwest winds around 5 mph.

Mostly cloudy in the morning then becoming partly sunny. A 30 percent chance of showers. Highs in the lower 60s. West winds 5 to 10 mph.

Partly cloudy in the evening then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 40s. West winds 5 to 10 mph. Chance of rain 20 percent.

Mostly sunny. A slight chance of showers in the morning. Highs in the mid 50s. Northwest winds 10 to 15 mph. Chance of rain 20 percent.

Mostly clear. Widespread frost after midnight. Much colder with lows around 30.

Widespread frost in the morning. Sunny. Highs in the mid 50s.

Mostly clear. Lows in the upper 30s. Highs in the mid 60s.

Mostly clear. Lows in the upper 30s. Highs in the mid 60s.

Mostly clear. Lows in the upper 30s. Highs in the mid 60s.

Mostly clear. Highs in the upper 50s. Lows in the lower 30s.

Mostly clear. Highs in the upper 50s. Lows in the lower 30s.

Sunny. Highs in the lower 50s. Wind chill values in the mid 20s in the morning.

Clear. Low temperature around 35F. Dew point will be around 22F with an average humidity of 51%. Winds will be 3 mph from the W.

Sunny. High temperature around 53F. Dew point will be around 24F with an average humidity of 43%. Winds will be 3 mph from the NW.

Clear. Low temperature around 39F. Dew point will be around 29F with an average humidity of 56%. Winds will be 2 mph from the NW.

Sunny. High temperature around 60F. Dew point will be around 36F with an average humidity of 56%. Winds will be 4 mph from the E.

Mostly clear. Low temperature around 49F. Dew point will be around 45F with an average humidity of 77%. Winds will be 2 mph from the E.