10-Day Weather Forecast - Saint Marks, FL

Mostly sunny. Humid with highs in the upper 90s. Northwest winds 5 to 10 mph. Heat index values up to 113.

Partly cloudy with a chance of showers and thunderstorms in the evening then mostly clear after midnight. Humid with lows in the upper 70s. West winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 113 early in the evening.

Mostly sunny. Humid with highs in the upper 90s. Northwest winds around 5 mph becoming southwest in the afternoon. Heat index values up to 116.

Partly cloudy in the evening then clearing. Lows in the lower 80s. Heat index values up to 115 early in the evening.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 50 percent. Heat index values up to 115.

Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 50 percent. Heat index values up to 110 early in the evening.

Partly cloudy. Showers and thunderstorms likely. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 60 percent. Heat index values up to 105.

Partly cloudy. Showers and thunderstorms likely. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 60 percent. Heat index values up to 105.

Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent.

Mostly cloudy in the evening then becoming partly cloudy. A chance of showers. A chance of thunderstorms mainly in the evening. Lows in the mid 70s. Chance of rain 50 percent.

Mostly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.

Partly cloudy with a 75% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 73F with an average humidity of 85%. Winds will be 2 mph from the SW.

Partly cloudy with a 80% chance for rain and thunderstorms. High temperature around 91F. Dew point will be around 75F with an average humidity of 72%. Winds will be 4 mph from the SW.

Partly cloudy with a 60% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 74F with an average humidity of 84%. Winds will be 4 mph from the S.

Partly cloudy with a 65% chance for rain and thunderstorms. High temperature around 92F. Dew point will be around 76F with an average humidity of 72%. Winds will be 5 mph from the S.

Mostly clear with a 60% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 74F with an average humidity of 84%. Winds will be 3 mph from the S.

Sunny with a 50% chance for rain and thunderstorms. High temperature around 93F. Dew point will be around 75F with an average humidity of 70%. Winds will be 4 mph from the S.

Mostly clear with a 55% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 74F with an average humidity of 82%. Winds will be 3 mph from the S.