10-Day Weather Forecast - Saint Augustine, FL

Mostly cloudy in the morning then becoming mostly sunny. Widespread dense fog in the morning. Highs in the upper 70s. West winds around 5 mph becoming east in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Southeast winds around 5 mph becoming southwest after midnight.

Mostly sunny. Highs around 80. Southwest winds 10 to 15 mph.

Mostly cloudy in the evening then becoming partly cloudy. Much cooler with lows in the lower 40s.

Sunny. Much cooler with highs in the upper 50s.

Partly cloudy in the evening then clearing. Cold with lows in the lower 30s.

Sunny. Highs in the upper 50s.

Partly cloudy. Lows in the mid 30s.

Sunny. Highs in the lower 60s.

Partly cloudy. Lows in the upper 30s.

Sunny. Highs in the lower 60s.

Partly cloudy. Low temperature around 45F. Dew point will be around 37F with an average humidity of 62%. Winds will be 6 mph from the NW.

Mostly sunny. High temperature around 64F. Dew point will be around 44F with an average humidity of 62%. Winds will be 2 mph from the NW.

Mostly clear. Low temperature around 51F. Dew point will be around 47F with an average humidity of 81%. Winds will be 2 mph from the W.

Partly cloudy. High temperature around 67F. Dew point will be around 53F with an average humidity of 75%. Winds will be 3 mph from the W.

Mostly clear. Low temperature around 53F. Dew point will be around 52F with an average humidity of 86%. Winds will be 3 mph from the W.

Mostly sunny. High temperature around 69F. Dew point will be around 54F with an average humidity of 75%. Winds will be 3 mph from the NW.

Partly cloudy. Low temperature around 54F. Dew point will be around 52F with an average humidity of 85%. Winds will be 2 mph from the NW.