10-day forecast for St. Simons, GA: 46° to 78°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Wednesday, October 28
76° · 0.3 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2173° / 56°0
Morning57°feels 56°
Afternoon73°feels 72°
Evening62°feels 61°
Overnight57°feels 55°
73 °
St. Simons, Wednesday, 21 October
Clear. High 73°, low 56°.
Pressure30.15 inHg
Wind6.9 mph NE
Humidity56%
Visibility6.2 mi
Dew point53°
Thu, 2273° / 52°0
Morning52°feels 51°
Afternoon73°feels 72°
Evening63°feels 62°
Overnight55°feels 54°
73 °
St. Simons, Thursday, 22 October
Clear. High 73°, low 52°.
Pressure30.12 inHg
Wind6 mph NE
Humidity44%
Visibility6.2 mi
Dew point49°
Fri, 2372° / 55°0
Morning55°feels 54°
Afternoon72°feels 71°
Evening65°feels 64°
Overnight56°feels 56°
72 °
St. Simons, Friday, 23 October
Mostly clear. High 72°, low 55°.
Pressure30.15 inHg
Wind9.7 mph NE
Humidity59%
Visibility6.2 mi
Dew point56°
Sat, 2466° / 58°0
Morning60°feels 59°
Afternoon65°feels 64°
Evening62°feels 62°
Overnight62°feels 62°
66 °
St. Simons, Saturday, 24 October
Partly cloudy. High 66°, low 58°.
Pressure30.30 inHg
Wind15.5 mph NE
Humidity58%
Visibility—
Dew point49°
Sun, 2570° / 59°0.1
Morning62°feels 61°
Afternoon68°feels 68°
Evening70°feels 70°
Overnight68°feels 68°
70 °
St. Simons, Sunday, 25 October
Light rain. High 70°, low 59°.
Pressure30.30 inHg
Wind17.4 mph NE
Humidity70%
Visibility—
Dew point56°
Mon, 2673° / 65°0.16
Morning67°feels 68°
Afternoon73°feels 73°
Evening70°feels 70°
Overnight68°feels 69°
73 °
St. Simons, Monday, 26 October
Light rain. High 73°, low 65°.
Pressure30.21 inHg
Wind16.6 mph NE
Humidity74%
Visibility—
Dew point63°
Tue, 2776° / 68°0.3
Morning71°feels 72°
Afternoon75°feels 76°
Evening71°feels 71°
Overnight70°feels 71°
76 °
St. Simons, Tuesday, 27 October
Light rain. High 76°, low 68°.
Pressure30.09 inHg
Wind6.8 mph E
Humidity75%
Visibility—
Dew point66°
Wed, 2878° / 58°0
Morning69°feels 69°
Afternoon76°feels 76°
Evening67°feels 66°
Overnight60°feels 59°
78 °
St. Simons, Wednesday, 28 October
Overcast. High 78°, low 58°.
Pressure29.91 inHg
Wind17.3 mph N
Humidity54%
Visibility—
Dew point58°
Thu, 2957° / 46°0
Morning49°feels 45°
Afternoon56°feels 54°
Evening53°feels 51°
Overnight52°feels 50°
57 °
St. Simons, Thursday, 29 October
Overcast. High 57°, low 46°.
Pressure30.18 inHg
Wind14.7 mph N
Humidity51%
Visibility—
Dew point38°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in St. Simons, GA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.