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Current weather in St. Simons is light rain.

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This page shows hourly weather forecast for St. Simons, including temperature, wind, precipitation, humidity and cloud cover.

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Weather data for St. Simons is updated regularly with the latest available observations and forecasts.

Now · 5:58 PM

St. Simons Weather & Hourly Forecast

United States · Georgia · 31522

80°F

Light rain

Feels like: 84°F

💧 Humidity 81% 🌡 Pressure 29.91 inHg 💨 Wind 9 mph 👁 Visibility 7.0 mi ☁ Clouds 50% ☀️ UV index 2.1 · Low 🌅 Sunrise 7:12 AM 🌇 Sunset 7:23 PM

Hourly Forecast for St. Simons

Today

6:00 PM

Light rain

80° 💧 0.013 in 💨 9 mph H 81%29.91 inHg

9:00 PM

Mostly cloudy night

78° 💧 0.004 in 💨 4 mph H 87%29.94 inHg

Tomorrow

12:00 AM

Light rain

77° 💧 0.011 in 💨 4 mph H 90%29.97 inHg

3:00 AM

Mostly clear night

76° 💧 0.002 in 💨 7 mph H 95%29.97 inHg

6:00 AM

Mostly clear night

75° 💧 0.007 in 💨 7 mph H 96%29.97 inHg

9:00 AM

Light rain

76° 💧 0.017 in 💨 9 mph H 91%30.03 inHg

12:00 PM

Light rain

82° 💧 0.043 in 💨 10 mph H 76%30.03 inHg

3:00 PM

Light thunderstorms

81° 💧 0.043 in 💨 10 mph H 77%30.00 inHg

6:00 PM

Mostly sunny

80° 💧 0.010 in 💨 13 mph H 81%29.97 inHg

9:00 PM

Mostly clear night

77° 💧 0.013 in 💨 12 mph H 86%30.00 inHg

Thursday

12:00 AM

Light rain

74° 💧 0.010 in 💨 11 mph H 93%30.00 inHg

3:00 AM

Partly cloudy night

74° 💧 0.007 in 💨 11 mph H 93%29.97 inHg

6:00 AM

Overcast night

73° 💧 0.002 in 💨 13 mph H 90%29.97 inHg

9:00 AM

Mostly sunny

73° 💧 0.007 in 💨 13 mph H 85%30.03 inHg

12:00 PM

Overcast

78° 💧 None 💨 15 mph H 71%30.03 inHg

3:00 PM

Light rain

79° 💧 0.013 in 💨 11 mph H 69%29.97 inHg

Today

6:00 PM

Light rain

80° 💧 0.011 in 💨 9 mph H 81%29.91 inHg

7:00 PM

Partly cloudy

79° 💧 0.002 in 💨 6 mph H 85%29.94 inHg

8:00 PM

Partly cloudy night

79° 💧 0.000 in 💨 5 mph H 87%29.94 inHg

9:00 PM

Mostly cloudy night

78° 💧 0.000 in 💨 4 mph H 87%29.94 inHg

10:00 PM

Overcast night

78° 💧 0.000 in 💨 4 mph H 88%29.97 inHg

11:00 PM

Mostly cloudy night

78° 💧 0.004 in 💨 4 mph H 89%29.97 inHg

Tomorrow

12:00 AM

Light rain

77° 💧 0.004 in 💨 4 mph H 90%29.97 inHg

1:00 AM

Mostly cloudy night

77° 💧 0.002 in 💨 5 mph H 92%29.97 inHg

2:00 AM

Light rain

76° 💧 0.005 in 💨 6 mph H 94%29.97 inHg

3:00 AM

Mostly clear night

76° 💧 0.001 in 💨 7 mph H 95%29.97 inHg

4:00 AM

Mostly clear night

76° 💧 0.001 in 💨 8 mph H 94%29.97 inHg

5:00 AM

Mostly clear night

75° 💧 0.001 in 💨 6 mph H 94%29.97 inHg

6:00 AM

Mostly clear night

75° 💧 None 💨 7 mph H 96%29.97 inHg

7:00 AM

Mist at night

74° 💧 0.001 in 💨 8 mph H 98%30.00 inHg

8:00 AM

Light rain

74° 💧 0.007 in 💨 10 mph H 97%30.03 inHg

9:00 AM

Light rain

76° 💧 0.007 in 💨 9 mph H 91%30.03 inHg

10:00 AM

Light rain

79° 💧 0.005 in 💨 11 mph H 85%30.03 inHg

11:00 AM

Light rain

80° 💧 0.005 in 💨 11 mph H 80%30.03 inHg

12:00 PM

Light rain

82° 💧 0.005 in 💨 10 mph H 76%30.03 inHg

1:00 PM

Light thunderstorms

82° 💧 0.025 in 💨 10 mph H 74%30.03 inHg

2:00 PM

Light rain

82° 💧 0.013 in 💨 11 mph H 74%30.00 inHg

3:00 PM

Light thunderstorms

81° 💧 0.027 in 💨 10 mph H 77%30.00 inHg

4:00 PM

Light rain

82° 💧 0.013 in 💨 12 mph H 75%29.97 inHg

5:00 PM

Mostly sunny

81° 💧 0.004 in 💨 11 mph H 76%29.97 inHg

6:00 PM

Mostly sunny

80° 💧 0.001 in 💨 13 mph H 81%29.97 inHg

7:00 PM

Partly cloudy

79° 💧 0.003 in 💨 13 mph H 81%30.00 inHg

8:00 PM

Light rain

78° 💧 0.007 in 💨 12 mph H 84%30.00 inHg

9:00 PM

Mostly clear night

77° 💧 0.002 in 💨 12 mph H 86%30.00 inHg

10:00 PM

Light rain

76° 💧 0.004 in 💨 10 mph H 89%30.03 inHg

11:00 PM

Light rain

75° 💧 0.007 in 💨 11 mph H 91%30.03 inHg

Thursday

12:00 AM

Light rain

74° 💧 0.004 in 💨 11 mph H 93%30.00 inHg

1:00 AM

Mostly clear night

74° 💧 0.002 in 💨 11 mph H 92%30.00 inHg

2:00 AM

Partly cloudy night

74° 💧 0.004 in 💨 11 mph H 93%29.97 inHg

3:00 AM

Partly cloudy night

74° 💧 0.002 in 💨 11 mph H 93%29.97 inHg

4:00 AM

Overcast night

74° 💧 0.003 in 💨 12 mph H 92%29.97 inHg

5:00 AM

Mostly cloudy night

74° 💧 0.002 in 💨 13 mph H 91%29.97 inHg

6:00 AM

Overcast night

73° 💧 0.002 in 💨 13 mph H 90%29.97 inHg

7:00 AM

Partly cloudy night

73° 💧 None 💨 13 mph H 88%30.00 inHg

8:00 AM

Partly cloudy

73° 💧 0.001 in 💨 14 mph H 86%30.00 inHg

9:00 AM

Mostly sunny

73° 💧 0.002 in 💨 13 mph H 85%30.03 inHg

10:00 AM

Partly cloudy

75° 💧 0.001 in 💨 14 mph H 79%30.03 inHg

11:00 AM

Light rain

76° 💧 0.004 in 💨 16 mph H 76%30.03 inHg

12:00 PM

Overcast

78° 💧 None 💨 15 mph H 71%30.03 inHg

1:00 PM

Mostly cloudy

79° 💧 None 💨 14 mph H 70%30.03 inHg

2:00 PM

Mostly cloudy

80° 💧 None 💨 12 mph H 67%30.00 inHg

3:00 PM

Light rain

79° 💧 0.005 in 💨 11 mph H 69%29.97 inHg

4:00 PM

Mostly cloudy

79° 💧 0.004 in 💨 11 mph H 70%29.97 inHg

5:00 PM

Light rain

78° 💧 0.004 in 💨 11 mph H 70%29.97 inHg

6:00 PM

Mostly sunny

78° 💧 None 💨 10 mph H 70%29.97 inHg

7:00 PM

Mostly cloudy

76° 💧 None 💨 11 mph H 76%30.00 inHg

8:00 PM

Overcast night

75° 💧 None 💨 12 mph H 77%30.00 inHg

9:00 PM

Mostly cloudy night

74° 💧 None 💨 13 mph H 76%30.00 inHg

10:00 PM

Partly cloudy night

73° 💧 0.001 in 💨 13 mph H 77%30.03 inHg

11:00 PM

Clear night

72° 💧 None 💨 12 mph H 77%30.03 inHg

Friday

12:00 AM

Clear night

72° 💧 None 💨 12 mph H 78%30.03 inHg

1:00 AM

Clear night

71° 💧 None 💨 11 mph H 79%30.00 inHg

2:00 AM

Clear night

70° 💧 None 💨 11 mph H 80%30.00 inHg

3:00 AM

Clear night

69° 💧 None 💨 12 mph H 81%30.00 inHg

4:00 AM

Mostly clear night

68° 💧 None 💨 11 mph H 81%30.00 inHg

5:00 AM

Partly cloudy night

67° 💧 None 💨 11 mph H 82%30.00 inHg

6:00 AM

Mostly clear night

66° 💧 None 💨 11 mph H 82%30.00 inHg

7:00 AM

Mostly clear night

65° 💧 None 💨 11 mph H 83%30.03 inHg

8:00 AM

Sunny

65° 💧 None 💨 11 mph H 81%30.03 inHg

11:00 AM

Sunny

71° 💧 None 💨 7 mph H 65%30.06 inHg

2:00 PM

Partly cloudy

79° 💧 None 💨 8 mph H 50%30.00 inHg

5:00 PM

Mostly sunny

79° 💧 None 💨 9 mph H 48%29.94 inHg

8:00 PM

Clear night

70° 💧 None 💨 6 mph H 67%29.97 inHg

11:00 PM

Clear night

65° 💧 None 💨 6 mph H 67%30.00 inHg

Saturday

2:00 AM

Clear night

62° 💧 None 💨 7 mph H 72%30.00 inHg

5:00 AM

Clear night

59° 💧 None 💨 6 mph H 77%29.97 inHg

8:00 AM

Sunny

59° 💧 None 💨 7 mph H 78%30.03 inHg

11:00 AM

Sunny

70° 💧 None 💨 8 mph H 50%30.03 inHg

2:00 PM

Sunny

76° 💧 None 💨 7 mph H 41%30.00 inHg

5:00 PM

Sunny

78° 💧 None 💨 6 mph H 34%29.94 inHg

8:00 PM

Overcast night

69° 💧 None 💨 2 mph H 57%29.94 inHg

11:00 PM

Partly cloudy night

65° 💧 None 💨 2 mph H 63%29.97 inHg

Sunday

2:00 AM

Partly cloudy night

59° 💧 None 💨 2 mph H 84%29.94 inHg

5:00 AM

Clear night

57° 💧 None 💨 4 mph H 89%29.94 inHg

8:00 AM

Mostly cloudy

58° 💧 None 💨 6 mph H 83%29.94 inHg

11:00 AM

Mostly cloudy

76° 💧 None 💨 6 mph H 44%29.94 inHg

2:00 PM

Sunny

84° 💧 None 💨 8 mph H 36%29.88 inHg

5:00 PM

Partly cloudy

84° 💧 None 💨 7 mph H 35%29.83 inHg

8:00 PM

Mostly clear night

72° 💧 None 💨 6 mph H 59%29.83 inHg

11:00 PM

Mostly clear night

68° 💧 None 💨 5 mph H 68%29.85 inHg

Monday

2:00 AM

Mostly clear night

64° 💧 None 💨 3 mph H 78%29.85 inHg

5:00 AM

Mostly cloudy night

63° 💧 None 💨 5 mph H 80%29.85 inHg

8:00 AM

Mostly cloudy

64° 💧 None 💨 6 mph H 96%29.88 inHg

2:00 PM

Sunny

88° 💧 None 💨 6 mph H 28%29.85 inHg

8:00 PM

Clear night

76° 💧 None 💨 7 mph H 86%29.83 inHg

Tuesday

2:00 AM

Clear night

71° 💧 None 💨 5 mph H 97%29.85 inHg

8:00 AM

Sunny

70° 💧 None 💨 5 mph H 97%29.91 inHg

2:00 PM

Mostly sunny

87° 💧 None 💨 4 mph H 51%29.88 inHg

8:00 PM

Clear night

75° 💧 None 💨 5 mph H 86%29.88 inHg

Wednesday

2:00 AM

Clear night

70° 💧 None 💨 1 mph H 92%29.91 inHg

8:00 AM

Sunny

69° 💧 None 💨 4 mph H 98%29.97 inHg

2:00 PM

Light rain

85° 💧 None 💨 5 mph H 63%29.91 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 8 mph H 82%29.91 inHg

Thursday

2:00 AM

Mostly cloudy night

75° 💧 None 💨 6 mph H 85%29.94 inHg

8:00 AM

Mostly cloudy

74° 💧 None 💨 3 mph H 90%29.94 inHg

2:00 PM

Light rain

81° 💧 None 💨 8 mph H 73%29.97 inHg

8:00 PM

Overcast night

76° 💧 None 💨 5 mph H 90%29.94 inHg

Friday

2:00 AM

Overcast night

72° 💧 None 💨 3 mph H 97%29.97 inHg

8:00 AM

Light thunderstorms

70° 💧 None 💨 4 mph H 100%29.97 inHg

2:00 PM

Mostly sunny

82° 💧 None 💨 5 mph H 72%29.94 inHg

8:00 PM

Clear night

75° 💧 None 💨 4 mph H 89%29.88 inHg

Saturday

2:00 AM

Mostly clear night

73° 💧 None 💨 1 mph H 93%29.88 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 4 mph H 99%29.91 inHg

2:00 PM

Light rain

85° 💧 None 💨 2 mph H 61%29.88 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 4 mph H 91%29.83 inHg

Sunday

2:00 AM

Clear night

73° 💧 None 💨 4 mph H 97%29.83 inHg

8:00 AM

Mostly sunny

72° 💧 None 💨 4 mph H 99%29.85 inHg

2:00 PM

Mostly sunny

89° 💧 None 💨 4 mph H 58%29.83 inHg

8:00 PM

Light rain

78° 💧 None 💨 6 mph H 89%29.83 inHg

Monday

2:00 AM

Clear night

73° 💧 None 💨 6 mph H 93%29.85 inHg

8:00 AM

Sunny

67° 💧 None 💨 6 mph H 72%29.91 inHg

2:00 PM

Mostly sunny

85° 💧 None 💨 4 mph H 36%29.91 inHg

8:00 PM

Partly cloudy night

74° 💧 None 💨 1 mph H 67%29.88 inHg

Tuesday

2:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 91%29.91 inHg

8:00 AM

Mostly sunny

63° 💧 None 💨 6 mph H 80%29.94 inHg

2:00 PM

Overcast

85° 💧 None 💨 5 mph H 36%29.88 inHg

8:00 PM

Overcast night

74° 💧 None 💨 4 mph H 62%29.88 inHg

Wednesday

2:00 AM

Overcast night

69° 💧 None 💨 2 mph H 76%29.85 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 2 mph H 76%29.88 inHg

In St. Simons and, more broadly, across the state of Georgia: This morning will begin with a mix of sun and clouds, bringing warm conditions with temperatures ranging from 69 to 92 degrees Fahrenheit. Expect light north winds at around 9 mph, with occasional gusts up to 15 mph. As the day progresses into the afternoon, the cloud cover may increase, and there is a chance of a brief rain shower, with approximately 0.13 inches of accumulation possible. The highest likelihood of rain is around 93%, so be prepared for some wet moments if you're outdoors. Overall, it will remain hot and humid, with light winds providing little relief from the heat. Keep an eye on the sky for any sudden changes in weather throughout the day.

15-Day Weather Outlook for St. Simons

TomorrowTomorrow

Light thunderstorms 82°/74° 💧 None 💨 13 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 80°/72° 💧 None 💨 16 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 79°/65° 💧 0.444 in 💨 12 mph

Saturday, Sep 26Sat Sep 26

Overcast 78°/59° 💧 0.001 in 💨 8 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 84°/57° 💧 None 💨 8 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 88°/63° 💧 None 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 87°/70° 💧 0.038 in 💨 5 mph

Wednesday, Sep 30Wed Sep 30

Light rain 85°/69° 💧 0.031 in 💨 8 mph

Thursday, Oct 1Thu Oct 1

Light rain 81°/74° 💧 0.059 in 💨 8 mph

Friday, Oct 2Fri Oct 2

Light thunderstorms 82°/70° 💧 0.324 in 💨 5 mph

Saturday, Oct 3Sat Oct 3

Light rain 85°/71° 💧 0.084 in 💨 4 mph

Sunday, Oct 4Sun Oct 4

Light rain 89°/72° 💧 0.022 in 💨 6 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 85°/67° 💧 0.002 in 💨 6 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 85°/63° 💧 None 💨 6 mph

Wednesday, Oct 7Wed Oct 7

Overcast 69°/67° 💧 None 💨 2 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Simons

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Simons

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 6:00 PM

PM2.5 Fine particles Good 2,8µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 3,3µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 61,2µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,9µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in St. Simons

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 8,3Very high 🙂Fair

Tomorrow UV 6,9High 🙂Fair

Thursday UV 4,0Moderate 🙂Fair

Friday UV 7,7High 🙂Fair

Saturday UV 7,8High 😐Moderate

Sunday UV 7,0High —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

6:00 PMUV 0,7 7:00 PMUV 0,1

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for St. Simons

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. SIMONS, GEORGIA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

75/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:43 PM–5:53 AM

☁ Cloud cover 29% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 73° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min65%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for St. Simons were last refreshed today at 5:58 PM. The current forecast period extends through 24/09/2026 at 3:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.