St. Simons Island, GA Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Aug 10 		Partly Cloudy -º / 79º 6% SW 7 mph 89%
Tue
Aug 11 		PM Thunderstorms
View Hourly 		94º / 79º 45% WSW 8 mph 69%
2am Partly Cloudy 81º 4% SW 4 mph 92%
3am Partly Cloudy 80º 5% SW 4 mph 92%
4am Partly Cloudy 80º 6% SW 5 mph 91%
5am Partly Cloudy 80º 6% WSW 7 mph 91%
6am Partly Cloudy 80º 6% WSW 6 mph 91%
7am Partly Cloudy 80º 5% WSW 6 mph 91%
8am Partly Cloudy 81º 3% WSW 7 mph 90%
9am Partly Cloudy 84º 7% WSW 8 mph 81%
10am Partly Cloudy 86º 9% W 8 mph 75%
11am Partly Cloudy 89º 11% W 8 mph 68%
12pm Mostly Sunny 91º 12% W 8 mph 63%
1pm Mostly Cloudy 93º 20% WSW 8 mph 59%
2pm Mostly Cloudy 93º 15% WSW 8 mph 58%
3pm Scattered Thunderstorms 93º 38% SW 8 mph 57%
4pm Scattered Thunderstorms 91º 45% SSW 8 mph 61%
5pm Mostly Cloudy 90º 21% SSW 7 mph 63%
6pm Mostly Cloudy 89º 15% S 6 mph 67%
7pm Mostly Cloudy 89º 15% SSE 7 mph 68%
8pm Mostly Cloudy 86º 15% S 6 mph 76%
9pm Partly Cloudy 85º 15% SSW 6 mph 81%
10pm Mostly Cloudy 83º 15% SW 6 mph 84%
11pm Partly Cloudy 83º 16% WSW 5 mph 84%
Wed
Aug 12 		Partly Cloudy
View Hourly 		94º / 79º 24% W 10 mph 69%
12am Mostly Cloudy 82º 10% WSW 5 mph 83%
1am Partly Cloudy 82º 9% WSW 5 mph 84%
2am Partly Cloudy 81º 6% WSW 6 mph 84%
3am Partly Cloudy 81º 6% WSW 7 mph 86%
4am Partly Cloudy 81º 7% WSW 8 mph 86%
5am Mostly Clear 80º 7% W 8 mph 87%
6am Partly Cloudy 80º 7% W 8 mph 87%
7am Partly Cloudy 80º 7% W 8 mph 88%
8am Mostly Sunny 81º 8% W 9 mph 86%
9am Mostly Sunny 84º 6% W 10 mph 79%
10am Partly Cloudy 86º 24% W 10 mph 74%
11am Partly Cloudy 87º 6% W 10 mph 71%
12pm Partly Cloudy 90º 20% W 10 mph 65%
1pm Partly Cloudy 92º 13% W 10 mph 59%
2pm Scattered Thunderstorms 93º 35% W 9 mph 58%
3pm Partly Cloudy 92º 24% W 9 mph 60%
4pm Partly Cloudy 91º 15% WSW 9 mph 64%
5pm Mostly Cloudy 91º 15% WSW 9 mph 61%
6pm Partly Cloudy 90º 15% WSW 9 mph 63%
7pm Partly Cloudy 89º 15% WSW 8 mph 65%
8pm Partly Cloudy 87º 15% SW 7 mph 71%
9pm Partly Cloudy 86º 19% SW 7 mph 75%
10pm Partly Cloudy 85º 17% WSW 7 mph 75%
11pm Mostly Clear 84º 16% WSW 7 mph 79%
Thu
Aug 13 		PM Thunderstorms
View Hourly 		95º / 79º 39% WSW 9 mph 69%
12am Partly Cloudy 83º 14% WSW 7 mph 79%
1am Mostly Clear 83º 9% WSW 7 mph 80%
Fri
Aug 14 		Isolated Thunderstorms 95º / 79º 33% SW 10 mph 72%
Sat
Aug 15 		PM Thunderstorms 95º / 79º 42% SSW 9 mph 71%
Sun
Aug 16 		Scattered Thunderstorms 92º / 79º 36% S 9 mph 74%
Mon
Aug 17 		Isolated Thunderstorms 95º / 79º 32% SW 9 mph 68%

Weather Radar for St. Simons Island, GA See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for St. Simons Island, GA

Tuesday
High : 93ºF
WSW wind 5 to 7 kt. Showers and thunderstorms likely, mainly after 4pm. Seas 1 ft or less.
Tuesday Night
Low : 79ºF
SSE wind 5 to 7 kt becoming W in the evening. A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Seas 1 ft or less.
Wednesday
High : 94ºF
W wind around 9 kt. A chance of showers and thunderstorms, mainly after 3pm. Seas around 1 ft.
Wednesday Night
Low : 79ºF
SW wind 6 to 10 kt. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas around 1 ft.
Thursday
High : 95ºF
W wind around 8 kt becoming SW in the afternoon. A slight chance of showers and thunderstorms after 2pm. Seas around 1 ft.
Thursday Night
Low : 79ºF
SSW wind 6 to 8 kt. A slight chance of showers and thunderstorms before 8pm. Seas around 1 ft.
Friday
High : 94ºF
WSW wind 5 to 7 kt becoming S in the afternoon. A slight chance of showers and thunderstorms. Seas around 1 ft.
Friday Night
Low : 79ºF
WSW wind 6 to 8 kt. Partly cloudy. Seas around 1 ft.
Saturday
High : 93ºF
WSW wind 5 to 8 kt becoming S 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

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    Wind Speed Forecast for St. Simons Island, GA

    TuesdayWednesdayThursday
    Wind Speed (MPH) 4688666810997
    6am10am2pm6pm10pm2am6am10am2pm6pm10pm2am
    MPH 4688666810997
    DIR SWWSWWWSWSSWWSWWWWWSWWSW

    Current Weather Conditions In St. Simons Island, GA

    As Of: 33 minutes ago

    • 81ºF
    • 90ºF
    • 4mph
    • 0º (SW)
    • 4mph
    • Partly Cloudy
    • 10mi
    • 30.11"
    • 92%
    • 0ºF

    The weather right now in St. Simons Island, GA is Partly Cloudy. The current temperature is 81°F, and the expected high and low for today, Tuesday, August 11, 2026, are -° high temperature and 79°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the Southwest. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 90° Fahrenheit. Expected precipitation is 4 percent, with current humidity at 92 percent, and air pressure at 30.11 in. Visibility is 10 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Heat Advisory - 12:04am Tue Aug 11 2026

    ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING...

    WHAT: Heat index values up to 110 expected.

    WHERE: Portions of northeast and northern Florida and southeast
    Georgia.

    WHEN: From noon today to 7 PM EDT this evening.

    IMPACTS: Hot temperatures and high humidity may cause heat
    illnesses.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Drink plenty of fluids, stay in an air-conditioned room, stay out of
    the sun, and check up on relatives and neighbors.

    &&