SAINT SIMONS ISLAND, GA 31522 Weather Forecast & Current Conditions

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BRUNSWICK, GA
Current Weather

12:55 PM EDT JUN 12, 2026
Clear
93°F
Feels Like: 99°F
Dewpoint: 70°F
Rel. Hum.: 47%
Visibility: 10 miles
Wind: WNW at 113 mph
Pressure: 29.98 inches
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SAINT SIMONS ISLAND, GA 31522
Weather Forecast

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THIS AFTERNOON
Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Southwest winds around 10 mph. Chance of rain 30 percent. Heat index values up to 106.
TONIGHT
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 20 percent.
SATURDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. West winds around 5 mph, becoming south in the afternoon. Chance of rain 50 percent. Heat index values up to 112.
SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 107 early in the evening.
SUNDAY
Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 111.
SUNDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the upper 70s. Chance of rain 50 percent. Heat index values up to 105 early in the evening.
MONDAY AND MONDAY NIGHT
Mostly cloudy. Showers and thunderstorms. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 80 percent. Heat index values up to 110.
TUESDAY THROUGH WEDNESDAY NIGHT
Showers and thunderstorms likely. Highs around 90. Lows in the mid 70s. Chance of rain 70 percent.
THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105.

Visible Weather Satellite
SAINT SIMONS ISLAND, GA 31522
Infrared Weather Satellite
SAINT SIMONS ISLAND, GA 31522
NEXRAD Weather Radar
SAINT SIMONS ISLAND, GA 31522

BRUNSWICK, GA 3 hourly weather forecast

weather forecast created  7:00 AM CDT  6/12/2026
Friday
12 JUN 2026
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 1, 12 hours 2 PM 94° 106° Partly Cloudy 37%
RAIN
>2 in
0% Thunder
( 44% severe)
S   8 54% 75°
High 95° SAINT SIMONS ISLAND, GA 31522 weather forecast Day 1, 15 hours 5 PM 91° 106° Partly Cloudy S   10 66% 78°
Partly Cloudy

Chance of Rain

SAINT SIMONS ISLAND, GA 31522 weather forecast Day 1, 18 hours 8 PM 85° 97° Partly Cloudy 7%

0% Thunder
( 21% severe)
S   9 80% 78°
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 1, 21 hours 11 PM 82° 90° Partly Cloudy S   8 85% 77°
Saturday
13 JUN 2026
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 2, 0 hours 2 AM 81° 87° Partly Cloudy 4%

0% Thunder
( 10% severe)
SW   7 82% 75°
Low 78° SAINT SIMONS ISLAND, GA 31522 weather forecast Day 2, 3 hours 5 AM 79° 83° Partly Cloudy W   7 85% 74°
High 95° SAINT SIMONS ISLAND, GA 31522 weather forecast Day 2, 6 hours 8 AM 80° 85° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 20% severe)
W   7 85% 75°

Mostly Cloudy

Chance of Rain

SAINT SIMONS ISLAND, GA 31522 weather forecast Day 2, 9 hours 11 AM 92° 105° Partly Cloudy W   6 60% 76°
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 2, 12 hours 2 PM 94° 109° Mostly Cloudy 35%
RAIN
.25–.5 in
0% Thunder
( 67% severe)
SW   8 58% 77°
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 2, 15 hours 5 PM 90° 106° Mostly Cloudy SSE   10 70% 79°
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 2, 18 hours 8 PM 85° 97° Mostly Cloudy 7%

0% Thunder
( 31% severe)
SSW   8 80% 78°
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 2, 21 hours 11 PM 81° 88° Partly Cloudy SSW   7 88% 77°
Sunday
14 JUN 2026
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 3, 0 hours 2 AM 81° 87° Partly Cloudy 5%

0% Thunder
( 11% severe)
SW   7 85% 76°
Low 78° SAINT SIMONS ISLAND, GA 31522 weather forecast Day 3, 3 hours 5 AM 79° 83° Partly Cloudy WSW   7 85% 74°
High 93° SAINT SIMONS ISLAND, GA 31522 weather forecast Day 3, 6 hours 8 AM 80° 85° Mostly Cloudy 8%

0% Thunder
( 21% severe)
WSW   8 85% 75°

Partly Cloudy

Chance of Rain

SAINT SIMONS ISLAND, GA 31522 weather forecast Day 3, 9 hours 11 AM 90° 103° Partly Cloudy WSW   8 66% 77°
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 3, 15 hours 2 PM 93° 107° Partly Cloudy 45%
RAIN
.5–1 in
0% Thunder
( 73% severe)
S   9 60% 77°
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 3, 18 hours 5 PM 90° 106° Partly Cloudy S   12 70% 79°
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 3, 21 hours 8 PM 84° 96° Mostly Cloudy     S   9 85% 79°

BRUNSWICK, GA extended weather forecast

Monday
15 JUN 2026
Tuesday
16 JUN 2026
Wednesday
17 JUN 2026
Thursday
18 JUN 2026
Friday
19 JUN 2026
Low 76° Low 76° Low 74° Low 76° Low 76°
High 92° High 90° High 89° High 93° High 93°
SAINT SIMONS ISLAND, GA 31522 weather forecast Day 4 SAINT SIMONS ISLAND, GA 31522 weather forecast Day 5 SAINT SIMONS ISLAND, GA 31522 weather forecast Day 6 SAINT SIMONS ISLAND, GA 31522 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
72% Rain
Overcast
79% Rain
Overcast
71% Rain
Partly Cloudy
36% Rain
Partly Cloudy
51% Rain
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