St. Simons Island, GA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Tue
Jul 21 		Rain Early
Close Hourly 		-º / 80º 63% S 16 mph 78%
5pm Partly Cloudy 88º 15% SSE 16 mph 72%
6pm Partly Cloudy 88º 8% SSE 14 mph 73%
7pm Partly Cloudy 87º 16% SSE 14 mph 76%
8pm Light Rain 86º 59% SSE 14 mph 75%
9pm Rain 84º 63% S 12 mph 78%
10pm Partly Cloudy 84º 3% S 12 mph 79%
11pm Partly Cloudy 84º 3% S 12 mph 79%
Wed
Jul 22 		Mostly Sunny
View Hourly 		92º / 79º 7% S 17 mph 67%
12am Partly Cloudy 85º 5% S 12 mph 79%
1am Partly Cloudy 84º 5% S 12 mph 79%
2am Partly Cloudy 84º 5% S 12 mph 80%
3am Partly Cloudy 83º 9% S 12 mph 81%
4am Mostly Clear 83º 6% S 11 mph 84%
5am Clear 83º 6% S 9 mph 82%
6am Clear 82º 6% S 9 mph 83%
7am Sunny 81º 6% S 8 mph 84%
8am Mostly Sunny 83º 5% S 9 mph 81%
9am Mostly Sunny 85º 3% SSW 10 mph 75%
10am Mostly Sunny 87º 2% S 10 mph 70%
11am Mostly Sunny 89º 1% S 11 mph 64%
12pm Partly Cloudy 89º 1% S 12 mph 62%
1pm Partly Cloudy 90º 1% SSE 13 mph 59%
2pm Partly Cloudy 91º 7% SSE 14 mph 59%
3pm Mostly Sunny 91º 4% SSE 16 mph 60%
4pm Mostly Sunny 89º 2% SSE 16 mph 63%
5pm Partly Cloudy 89º 7% SSE 17 mph 65%
6pm Partly Cloudy 88º 2% SSE 16 mph 66%
7pm Partly Cloudy 87º 2% SSE 15 mph 69%
8pm Partly Cloudy 86º 3% SSE 14 mph 71%
9pm Partly Cloudy 86º 4% SSE 14 mph 74%
10pm Partly Cloudy 85º 4% SSE 14 mph 76%
11pm Partly Cloudy 85º 5% S 13 mph 77%
Thu
Jul 23 		Partly Cloudy
View Hourly 		92º / 79º 9% S 13 mph 67%
12am Partly Cloudy 85º 5% S 12 mph 78%
1am Partly Cloudy 84º 5% S 11 mph 79%
2am Partly Cloudy 83º 5% S 10 mph 81%
3am Partly Cloudy 83º 6% SSW 9 mph 82%
4am Mostly Clear 82º 6% SSW 7 mph 83%
5am Mostly Clear 81º 6% SSW 5 mph 84%
6am Mostly Clear 80º 7% SW 4 mph 85%
7am Mostly Sunny 80º 7% SW 4 mph 87%
8am Mostly Sunny 82º 5% SW 4 mph 82%
9am Mostly Sunny 84º 3% WSW 4 mph 75%
10am Partly Cloudy 87º 2% WSW 4 mph 69%
11am Partly Cloudy 89º 1% SSW 4 mph 64%
12pm Partly Cloudy 90º 1% SSE 6 mph 61%
1pm Partly Cloudy 91º 9% SE 7 mph 59%
2pm Partly Cloudy 91º 4% SE 9 mph 58%
3pm Partly Cloudy 91º 7% SE 11 mph 59%
4pm Partly Cloudy 91º 3% SE 11 mph 60%
Fri
Jul 24 		Partly Cloudy 92º / 80º 7% SSE 12 mph 68%
Sat
Jul 25 		PM Thunderstorms 92º / 78º 63% SSW 11 mph 69%
Sun
Jul 26 		Scattered Thunderstorms 93º / 79º 50% WSW 9 mph 69%
Mon
Jul 27 		Partly Cloudy 94º / 80º 18% SW 11 mph 69%
Tue
Jul 28 		Isolated Thunderstorms 95º / 79º 31% SSW 12 mph 68%

Weather Radar for St. Simons Island, GA See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for St. Simons Island, GA

This Afternoon
High : 90ºF
SSE wind around 15 kt, with gusts as high as 21 kt. A slight chance of showers and thunderstorms after 3pm. Seas 1 to 2 ft.
Tonight
Low : 80ºF
S wind 10 to 14 kt, with gusts as high as 21 kt. A slight chance of showers and thunderstorms before 10pm. Seas 1 to 2 ft.
Wednesday
High : 92ºF
S wind 10 to 15 kt, with gusts as high as 21 kt. Mostly sunny. Seas around 1 ft.
Wednesday Night
Low : 79ºF
SSE wind 7 to 15 kt becoming SSW after midnight. Partly cloudy. Seas 1 to 2 ft.
Thursday
High : 92ºF
SW wind 5 to 12 kt becoming SSE in the afternoon. Mostly sunny. Seas around 1 ft.
Thursday Night
Low : 79ºF
S wind 6 to 12 kt. Mostly cloudy. Seas around 1 ft.
Friday
High : 91ºF
Variable winds less than 5 kt becoming SSE 6 to 11 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Friday Night
Low : 79ºF
SSE wind 6 to 9 kt becoming SSW after midnight. A slight chance of showers and thunderstorms before 2am. Seas around 1 ft.
Saturday
High : 91ºF
Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas around 1 ft.

NOAA Buoy Data Near St. Simons Island, GA See Map

Loading Map...
Loading Buoy Data...

    Wind Speed Forecast for St. Simons Island, GA

    TuesdayWednesdayThursday
    Wind Speed (MPH) 16121291013171411547
    9pm1am5am9am1pm5pm9pm1am5am9am1pm5pm
    MPH 16121291013171411547
    DIR SSESSSSSWSSESSESSESSSWWSWSE

    Current Weather Conditions In St. Simons Island, GA

    As Of: 4 minutes ago

    • 88ºF
    • 102ºF
    • 16mph
    • 0º (SSE)
    • 24mph
    • Partly Cloudy
    • 10mi
    • 29.94"
    • 72%
    • 0ºF

    The weather right now in St. Simons Island, GA is Partly Cloudy. The current temperature is 88°F, and the expected high and low for today, Tuesday, July 21, 2026, are -° high temperature and 80°F low temperature. The wind is currently blowing at 16 miles per hour, and coming from the South Southeast. The wind is gusting to 24 mph. With the wind and the atmosphere the temperature feels like 102° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 72 percent, and air pressure at 29.94 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Small Craft Advisory - 2:42pm Tue Jul 21 2026

    ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT WEDNESDAY...

    WHAT: South winds around 20 kt with gusts up to 30 kt.

    WHEN: Until 5 AM EDT Wednesday.

    IMPACTS: Conditions will be hazardous to small craft.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Inexperienced mariners, especially those operating smaller
    vessels, should avoid navigating in hazardous conditions.

    &&