Local Forecast

St. Simons Isl, GA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for St. Simons Isl, GA.

No Active Alerts

Hour-by-Hour  Current Observation

Saturday 1:55 PM EDTSaturday 1:55 PM

°F °C
Regional Observations →
86°F

Mostly Cloudy

  • 91° / 75° High / Low
  • 86° Feels Like
  • 0% Chance of Rain

Wind

8 mph

E

UV Index

9

Very High

Humidity

0%

Dew 0°F

Sun

6:21 AM · 8:32 PM

Rise · Set

Source: BRUNSWICK (KSSI). Slider scrubs the next 12 hours.

5-Day Outlook

Through Wednesday

Local Radar →

Today

91° 75°

Thunderstorms Likely

Overnight: Thunderstorms Likely

Detailed forecast

Today

Showers and thunderstorms likely before 5pm, then showers and thunderstorms likely. Mostly cloudy. High near 89, with temperatures falling to around 83 in the afternoon. Heat index values as high as 102. West wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Night

Showers and thunderstorms likely before 9pm, then a chance of showers and thunderstorms between 9pm and 1am. Some of the storms could produce heavy rain. Mostly cloudy. Low around 74, with temperatures rising to around 75 overnight. West wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

Sunday

91° 77°

Isolated T-storm

Overnight: Partly Cloudy

Detailed forecast

Sunday

Partly sunny. High near 90, with temperatures falling to around 87 in the afternoon. Heat index values as high as 101. Southwest wind 5 to 10 mph, with gusts as high as 16 mph. New rainfall amounts less than a tenth of an inch possible.

Night

A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 76. Southwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

Monday

95° 77°

Partly Sunny

Overnight: Partly Sunny

Detailed forecast

Monday

Mostly sunny. High near 94, with temperatures falling to around 91 in the afternoon. Southwest wind 7 to 12 mph, with gusts as high as 17 mph.

Night

Partly cloudy, with a low around 77.

Tuesday

95° 77°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Tuesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 78. Chance of precipitation is 40%.

Wednesday

95° 77°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 78. Chance of precipitation is 40%.

St. Simons Isl, GA Weather Analysis Tools