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Myrtle Island, Florida Weather Forecast
Myrtle Island, Florida Weather
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Weather Forecast for Myrtle Island, Florida : Flagler County
Issued: 12:26 pm EST Dec 16, 2025 Latitude: 29.5855272 Longitude: -81.441184 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Mostly Sunny on This Afternoon Morning Fog on Tonight Increasing Clouds on Wednesday 30% chance of rain on Thursday Mostly Sunny on Friday Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday
High: 68°F Low: 51°F High: 73°F High: 78°F High: 75°F High: 72°F High: 77°F High: 75°F
Low: 59°F Low: 62°F Low: 45°F Low: 49°F Low: 53°F  
Mostly Sunny Morning Fog Increasing Clouds Rain Mostly Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
ST AUGUSTINE - (KSGJ)
61°
Cloudy
as of 12:22 PM EST
Rel. Humidity: 77%
Dew Point: 54°F
Visibility: 7 Miles
Pressure: 30.28 in.
Flight Rule: MVFR
Wind Data
17 MPH
0° North
Cloud Level(s): Broken at 1200ft, Solid Overcast at 4500ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 68. Northeast wind around 8 mph.

Morning Fog on Tonight Tonight... Patchy fog after 2am. Otherwise, increasing clouds, with a low around 51. North wind around 5 mph becoming calm in the evening.

Increasing Clouds on Wednesday Wednesday... Increasing clouds, with a high near 73. Calm wind becoming east around 6 mph in the afternoon.

Cloudy on Wednesday Night Wednesday Night... Cloudy, with a low around 59. Calm wind.

30% chance of rain Thursday Thursday... A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.

30% chance of thunderstorms Thursday Night Thursday Night... A chance of showers before 1am, then a slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 75.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 45.

Sunny on Saturday Saturday... Sunny, with a high near 72.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 49.

Sunny on Sunday Sunday... Sunny, with a high near 77.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 53.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 75.

Sun Almanac for Myrtle Island, Florida
Sunrise: 07:14 AM
Sunset: 5:29 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:55 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 6:25 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 6:54 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.