10-Day Weather Forecast - Saint Augustine, FL

Mostly cloudy with a chance of showers in the morning then mostly sunny in the afternoon. Cooler with highs in the upper 50s. Northwest winds 10 to 15 mph. Chance of rain 40 percent.

Partly cloudy in the evening then clearing. Widespread frost after midnight. Cooler with lows in the mid 30s. Northwest winds 5 to 10 mph.

Widespread frost in the morning. Sunny. Highs in the lower 60s. West winds 5 to 10 mph.

Clear. Not as cool with lows in the mid 40s. West winds 5 to 10 mph with gusts up to 20 mph.

Clear. Highs in the mid 60s. Lows in the lower 40s.

Clear. Highs in the mid 60s. Lows in the lower 40s.

Clear. Highs in the mid 60s. Lows in the lower 40s.

Mostly clear. Lows in the lower 40s. Highs in the lower 70s.

Mostly clear. Lows in the lower 40s. Highs in the lower 70s.

Mostly clear. Lows in the mid 40s.

Mostly sunny. Highs in the mid 70s.

Mostly cloudy. Lows in the upper 40s.

Mostly sunny. Highs in the mid 70s.

Clear. Low temperature around 54F. Dew point will be around 55F with an average humidity of 88%. Winds will be 3 mph from the W.

Sunny. High temperature around 74F. Dew point will be around 57F with an average humidity of 74%. Winds will be 2 mph from the W.

Clear. Low temperature around 54F. Dew point will be around 55F with an average humidity of 87%. Winds will be 3 mph from the SW.

Sunny. High temperature around 73F. Dew point will be around 58F with an average humidity of 76%. Winds will be 4 mph from the SW.

Clear. Low temperature around 57F. Dew point will be around 58F with an average humidity of 90%. Winds will be 4 mph from the SW.