10-Day Weather Forecast - Saint Augustine, FL

Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning then showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 90 percent. Heat index values up to 106.

Showers and thunderstorms in the evening then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 70s. South winds around 5 mph in the evening becoming light and variable. Chance of rain 90 percent.

A chance of showers with a slight chance of thunderstorms in the morning then showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 90 percent. Heat index values up to 105.

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

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

Mostly cloudy with showers with thunderstorms likely in the evening then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 90 percent.

Partly cloudy. Showers and thunderstorms likely. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 60 percent.

Partly cloudy. Showers and thunderstorms likely. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 60 percent.

Mostly clear. A chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 40 percent.

Mostly clear. A chance of showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 40 percent.

Sunny. A slight chance of showers and thunderstorms in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent.

Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 77F. Dew point will be around 73F with an average humidity of 81%. Winds will be 6 mph from the NE.

Mostly sunny with a 60% chance for rain and thunderstorms. High temperature around 86F. Dew point will be around 75F with an average humidity of 76%. Winds will be 5 mph from the NE.

Mostly clear with a 65% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 73F with an average humidity of 86%. Winds will be 4 mph from the E.

Mostly sunny with a 65% chance for rain and thunderstorms. High temperature around 86F. Dew point will be around 76F with an average humidity of 82%. Winds will be 5 mph from the NE.

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 88%. Winds will be 3 mph from the E.

Mostly sunny with a 70% chance for rain and thunderstorms. High temperature around 85F. Dew point will be around 76F with an average humidity of 83%. Winds will be 4 mph from the NE.

Mostly clear with a 70% chance for rain and thunderstorms. Low temperature around 77F. Dew point will be around 75F with an average humidity of 88%. Winds will be 3 mph from the E.