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WeatherLive › Georgia › Saint Simons Island

Saint Simons Island, GA Weather (31522)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSaint Simons Island · 5:54 PM EDT
29° | 24°
27°C
Feels like 30°
Rain
WindNE 5 mph · Gusts 13 mph
Precip90% · 1.56 in
Humidity85% · Dew point 24°
UV index4 Moderate
Air Quality27 Good
Pressure30.06 inHg
Visibility6 mi
Sunrise / Sunset7:00 AM · 7:51 PM · 12h 51m

Weather map — Saint Simons Island

Full radar →
Now
27°
0.18 in
5 mph
18:00
26°
0.18 in
4 mph
19:00
26°
0.18 in
5 mph
20:00
26°
0.18 in
6 mph
21:00
26°
0.18 in
5 mph
22:00
26°
0.18 in
3 mph
23:00
26°
0.18 in
3 mph
00:00
25°
0.18 in
3 mph
01:00
24°
13%
3 mph
02:00
24°
13%
3 mph
03:00
24°
17%
3 mph
04:00
23°
20%
3 mph
05:00
23°
16%
3 mph
06:00
23°
15%
3 mph
07:00
23°
20%
3 mph
08:00
24°
13%
3 mph
09:00
27°
8%
4 mph
10:00
29°
13%
5 mph
11:00
31°
11%
6 mph
12:00
32°
7%
7 mph
13:00
32°
9%
8 mph
14:00
31°
10%
7 mph
15:00
32°
9%
8 mph
16:00
31°
9%
9 mph

Today · Sun 8/30

High 29°
90% / 1.56 in

Drizzle. Winds NE at 7 mph.

Tonight · Sun 8/30

Low 23°
87% / 0.18 in

Rain. Winds E at 5 mph.

Tomorrow · Mon 8/31

32° | 23°
71% / 0.19 in

Showers. Winds E at 9 mph.

7-day trend

Saint Simons Island · temperature + precipitation

10-day forecast

Updated 5:54 PM

Details & indices

Wind
5 mph NE
Gusts 13 mph
Humidity
85%
Dew point 24°
Pressure
30.06 inHg
Rising
UV index
4 — Moderate
High today
Air Quality
Good
AQI 27 · US EPA
Allergy
Low
Ragweed
Visibility
6 mi
Clear view
Allergy — Saint Simons Island

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Low

Sun & moon

Sunrise7:00 AM
Sunset7:51 PM
Length of day12h 51m
Moonrise9:09 PM
Moonset9:19 AM
Moon phase🌖 Waning Gibbous · 92%
Next full moonSep 26 Harvest Moon
Latitude31.1505°N
Longitude-81.3695°E

Water temps nearby

View all →
Amelia Island (34 mi)83°
Jacksonville Beach (59 mi)83°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Atlanta
Mostly cloudy
28°
Columbus
Partly cloudy
33° 🌤️
Savannah
—
—
Data sources · Sunday, August 30
Where the Saint Simons Island forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 31.1505°N, -81.3695°.
NBM + global weather models
Updated: 5:54 PM
Weather in Saint Simons Island
Over the next 10 days Saint Simons Island tops out around 38° (Saturday) and dips to 22° on the coolest night (Monday). Models drop roughly 4.5 in of precipitation across the stretch — watch Sunday (90%). Expect a blustery spell — gusts near 25 mph on Monday. No active NWS alerts at the moment — quiet on the hazards front. Right now Saint Simons Island is running about 56° warmer than Tallahassee. Longer view: humid-subtropical — long summers, mild winters, spring storm season.
Saint Simons Island, GA · Elev 7 ft · 31.15°N, 81.37°W · Georgia · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:54 PM