San Marco, Florida Weather
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Weather Forecast for San Marco, Florida : Duval County
Issued: 1:31 am EDT Jul 3, 2025 Latitude: 30.3119062 Longitude: -81.6598176 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Independence Day Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Overnight 80% chance of thunderstorms on Thursday 70% chance of thunderstorms on Independence Day 80% chance of thunderstorms on Saturday 70% chance of thunderstorms on Sunday 60% chance of thunderstorms on Monday 50% chance of thunderstorms on Tuesday 60% chance of thunderstorms on Wednesday
Low: 75°F High: 90°F High: 88°F High: 86°F High: 89°F High: 93°F High: 94°F High: 94°F
Low: 75°F Low: 75°F Low: 74°F Low: 76°F Low: 77°F Low: 77°F  
Mostly Cloudy Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
JACKSONVILLE NAS - (KNIP)
77°
Partly Cloudy
as of 2:53 AM EDST
Rel. Humidity: 88%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
10 MPH
200° South
Cloud Level(s): Few at 2800ft, Scattered at 3600ft
Current Conditions at
CRAIG MUNICIPAL ARPT - (KCRG)
75°
Clear
as of 2:53 AM EDST
Rel. Humidity: 94%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
JACKSONVILLE INTL - (KJAX)
77°
Mostly Cloudy
as of 2:56 AM EDST
Rel. Humidity: 88%
Dew Point: 73°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Few at 2000ft, Few at 6000ft, Broken at 21000ft
Current Conditions at
JACKSONVILLE CECIL FLD - (KVQQ)
75°
Partly Cloudy
as of 2:55 AM EDST
Rel. Humidity: 100%
Dew Point: 75°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
3 MPH
180° South
Cloud Level(s): Scattered at 6000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 75. South wind around 6 mph.
80% chance of thunderstorms Thursday Thursday... Showers and thunderstorms, mainly after 2pm. High near 90. South wind around 6 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
80% chance of thunderstorms Thursday Night Thursday Night... Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Low around 75. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Independence Day Independence Day... A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 88. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
60% chance of thunderstorms Friday Night Friday Night... Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 75. East wind 5 to 7 mph. Chance of precipitation is 60%.
80% chance of thunderstorms Saturday Saturday... Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 86. Chance of precipitation is 80%.
80% chance of thunderstorms Saturday Night Saturday Night... Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 74. Chance of precipitation is 80%.
70% chance of thunderstorms Sunday Sunday... A chance of thunderstorms, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 89. Chance of precipitation is 70%.
60% chance of thunderstorms Sunday Night Sunday Night... Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
60% chance of thunderstorms Monday Monday... Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 60%.
60% chance of thunderstorms Monday Night Monday Night... Showers and thunderstorms likely. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
50% chance of thunderstorms Tuesday Tuesday... A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
30% chance of thunderstorms Tuesday Night Tuesday Night... A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
60% chance of thunderstorms Wednesday Wednesday... Showers and thunderstorms likely. Mostly sunny, with a high near 94. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for San Marco, Florida
Sunrise: 06:30 AM
Sunset: 8:33 PM
Civil Sunrise:06:02 AM
Civil Sunset: 9:00 PM
Nautical Sunrise: 05:29 AM
Nautical Sunset: 9:33 PM
Astro Sunrise: 04:53 AM
Astro Sunset: 10:09 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.