Castillo de San Marcos National Monument 10-Day Weather Charts

24 Hour Forecast

Current Conditions - Fog. Temperature is 62°F17°C, dew point 62°F17°C, humidity 100%. Wind direction is N at 0 mph0 km/h with visibility of 1/4 mi2 km. Barometric pressure is 30.22 in1023 mb.

Today - Mostly sunny. Areas of dense fog this morning. A chance of showers this afternoon. Highs in the upper 70s. Southeast winds 5 to 10.. Full Forecast

Tonight - Partly cloudy. Patchy fog after midnight. Lows in the lower 60s. Southeast winds 5 to 10 mph... Full Forecast

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10 Day High/Low Temp Chart

10 Day High/Low Temp Chart

10 Day POP Chart

10 Day Dew Point Chart

10 Day Dew Point Chart

10 Day Humidity Chart

10 Day UV Index Chart

10 Day Barometric Pressure Chart

10 Day Barometric Pressure Chart