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Now · 7:50 AM

St. Simons Weather & Hourly Forecast

United States · Georgia · 31522

74°F

Mostly sunny

Feels like: 79°F

💧 Humidity 97% 🌡 Pressure 29.94 inHg 💨 Wind 6 mph 👁 Visibility 6.2 mi ☁ Clouds 23% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:12 AM 🌇 Sunset 7:23 PM

Hourly Forecast for St. Simons

Today

8:00 AM

Mostly sunny

74° 💧 0.002 in 💨 6 mph H 97%29.94 inHg

11:00 AM

Light rain

80° 💧 0.039 in 💨 7 mph H 81%29.97 inHg

2:00 PM

Thunderstorms

79° 💧 0.274 in 💨 9 mph H 85%29.97 inHg

5:00 PM

Light rain

80° 💧 0.019 in 💨 8 mph H 81%29.91 inHg

8:00 PM

Mostly clear night

79° 💧 0.002 in 💨 4 mph H 84%29.94 inHg

11:00 PM

Light rain

78° 💧 0.042 in 💨 4 mph H 87%29.97 inHg

Tomorrow

2:00 AM

Light rain

76° 💧 0.008 in 💨 6 mph H 94%29.97 inHg

5:00 AM

Mostly clear night

75° 💧 0.003 in 💨 6 mph H 95%29.97 inHg

8:00 AM

Light rain

74° 💧 0.010 in 💨 9 mph H 98%30.00 inHg

11:00 AM

Light thunderstorms

79° 💧 0.067 in 💨 9 mph H 84%30.03 inHg

2:00 PM

Light rain

80° 💧 0.085 in 💨 11 mph H 81%30.00 inHg

5:00 PM

Light rain

78° 💧 0.029 in 💨 10 mph H 85%29.97 inHg

8:00 PM

Partly cloudy night

78° 💧 0.012 in 💨 11 mph H 86%30.00 inHg

11:00 PM

Light rain

77° 💧 0.032 in 💨 12 mph H 87%30.00 inHg

Thursday

2:00 AM

Light rain

74° 💧 0.021 in 💨 10 mph H 94%29.97 inHg

5:00 AM

Mostly cloudy night

73° 💧 0.007 in 💨 12 mph H 95%29.97 inHg

Today

8:00 AM

Mostly sunny

74° 💧 None 💨 6 mph H 97%29.94 inHg

9:00 AM

Mostly sunny

75° 💧 0.000 in 💨 5 mph H 92%29.97 inHg

10:00 AM

Mostly cloudy

78° 💧 0.002 in 💨 4 mph H 84%29.97 inHg

11:00 AM

Light rain

80° 💧 0.017 in 💨 7 mph H 81%29.97 inHg

12:00 PM

Light rain

82° 💧 0.012 in 💨 7 mph H 78%29.97 inHg

1:00 PM

Light rain

83° 💧 0.010 in 💨 9 mph H 73%29.97 inHg

2:00 PM

Thunderstorms

79° 💧 0.150 in 💨 9 mph H 85%29.97 inHg

3:00 PM

Light thunderstorms

79° 💧 0.089 in 💨 9 mph H 86%29.94 inHg

4:00 PM

Light rain

79° 💧 0.035 in 💨 7 mph H 84%29.94 inHg

5:00 PM

Light rain

80° 💧 0.013 in 💨 8 mph H 81%29.91 inHg

6:00 PM

Light rain

80° 💧 0.005 in 💨 7 mph H 79%29.91 inHg

7:00 PM

Mostly sunny

80° 💧 0.001 in 💨 6 mph H 80%29.91 inHg

8:00 PM

Mostly clear night

79° 💧 0.000 in 💨 4 mph H 84%29.94 inHg

9:00 PM

Mostly clear night

78° 💧 0.001 in 💨 4 mph H 85%29.94 inHg

10:00 PM

Partly cloudy night

78° 💧 0.001 in 💨 4 mph H 85%29.97 inHg

11:00 PM

Light rain

78° 💧 0.005 in 💨 4 mph H 87%29.97 inHg

Tomorrow

12:00 AM

Light rain

77° 💧 0.008 in 💨 4 mph H 90%29.97 inHg

1:00 AM

Light rain

75° 💧 0.029 in 💨 7 mph H 95%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° 💧 0.002 in 💨 7 mph H 93%29.97 inHg

4:00 AM

Partly cloudy night

76° 💧 0.001 in 💨 6 mph H 94%29.97 inHg

5:00 AM

Mostly clear night

75° 💧 0.001 in 💨 6 mph H 95%29.97 inHg

6:00 AM

Partly cloudy night

75° 💧 0.001 in 💨 6 mph H 97%29.97 inHg

7:00 AM

Partly cloudy night

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

8:00 AM

Light rain

74° 💧 0.004 in 💨 9 mph H 98%30.00 inHg

9:00 AM

Mist

75° 💧 0.002 in 💨 10 mph H 95%30.00 inHg

10:00 AM

Mist

77° 💧 0.003 in 💨 10 mph H 87%30.03 inHg

11:00 AM

Light thunderstorms

79° 💧 0.019 in 💨 9 mph H 84%30.03 inHg

12:00 PM

Light thunderstorms

81° 💧 0.024 in 💨 11 mph H 76%30.03 inHg

1:00 PM

Light thunderstorms

79° 💧 0.024 in 💨 11 mph H 82%30.03 inHg

2:00 PM

Light rain

80° 💧 0.020 in 💨 11 mph H 81%30.00 inHg

3:00 PM

Light thunderstorms

78° 💧 0.029 in 💨 12 mph H 83%30.00 inHg

4:00 PM

Light rain

80° 💧 0.035 in 💨 11 mph H 83%29.97 inHg

5:00 PM

Light rain

78° 💧 0.023 in 💨 10 mph H 85%29.97 inHg

6:00 PM

Light rain

79° 💧 0.004 in 💨 11 mph H 82%29.97 inHg

7:00 PM

Mostly sunny

79° 💧 0.001 in 💨 12 mph H 84%29.97 inHg

8:00 PM

Partly cloudy night

78° 💧 0.001 in 💨 11 mph H 86%30.00 inHg

9:00 PM

Light rain

77° 💧 0.005 in 💨 11 mph H 86%30.00 inHg

10:00 PM

Light rain

77° 💧 0.005 in 💨 12 mph H 86%30.03 inHg

11:00 PM

Light rain

77° 💧 0.011 in 💨 12 mph H 87%30.00 inHg

Thursday

12:00 AM

Light rain

76° 💧 0.014 in 💨 11 mph H 89%30.00 inHg

1:00 AM

Light rain

75° 💧 0.007 in 💨 10 mph H 92%29.97 inHg

2:00 AM

Light rain

74° 💧 0.011 in 💨 10 mph H 94%29.97 inHg

3:00 AM

Light rain

74° 💧 0.008 in 💨 11 mph H 93%29.97 inHg

4:00 AM

Mostly clear night

74° 💧 0.002 in 💨 12 mph H 94%29.97 inHg

5:00 AM

Mostly cloudy night

73° 💧 0.003 in 💨 12 mph H 95%29.97 inHg

6:00 AM

Overcast night

73° 💧 0.003 in 💨 12 mph H 93%29.97 inHg

7:00 AM

Mostly cloudy night

73° 💧 0.001 in 💨 13 mph H 89%30.00 inHg

8:00 AM

Overcast

73° 💧 None 💨 13 mph H 88%30.00 inHg

9:00 AM

Partly cloudy

74° 💧 None 💨 13 mph H 85%30.00 inHg

10:00 AM

Mostly cloudy

75° 💧 None 💨 15 mph H 81%30.03 inHg

11:00 AM

Overcast

76° 💧 None 💨 15 mph H 78%30.03 inHg

12:00 PM

Overcast

77° 💧 None 💨 14 mph H 75%30.03 inHg

1:00 PM

Overcast

79° 💧 None 💨 15 mph H 72%30.03 inHg

2:00 PM

Mostly cloudy

78° 💧 None 💨 14 mph H 73%30.00 inHg

3:00 PM

Overcast

79° 💧 0.001 in 💨 14 mph H 70%29.97 inHg

4:00 PM

Partly cloudy

80° 💧 0.002 in 💨 13 mph H 67%29.97 inHg

5:00 PM

Partly cloudy

80° 💧 0.004 in 💨 12 mph H 66%29.97 inHg

6:00 PM

Light rain

78° 💧 0.013 in 💨 12 mph H 72%29.97 inHg

7:00 PM

Light rain

77° 💧 0.004 in 💨 11 mph H 76%30.00 inHg

8:00 PM

Partly cloudy night

76° 💧 0.001 in 💨 12 mph H 77%30.00 inHg

11:00 PM

Partly cloudy night

72° 💧 None 💨 10 mph H 78%30.03 inHg

Friday

2:00 AM

Clear night

69° 💧 None 💨 9 mph H 80%30.03 inHg

5:00 AM

Clear night

66° 💧 None 💨 9 mph H 82%30.00 inHg

8:00 AM

Sunny

64° 💧 None 💨 9 mph H 81%30.06 inHg

11:00 AM

Sunny

71° 💧 None 💨 8 mph H 65%30.09 inHg

2:00 PM

Sunny

78° 💧 None 💨 7 mph H 53%30.03 inHg

5:00 PM

Sunny

78° 💧 None 💨 7 mph H 51%29.97 inHg

8:00 PM

Clear night

71° 💧 None 💨 6 mph H 68%30.00 inHg

11:00 PM

Clear night

67° 💧 None 💨 6 mph H 73%30.03 inHg

Saturday

2:00 AM

Clear night

63° 💧 None 💨 7 mph H 75%30.00 inHg

5:00 AM

Clear night

60° 💧 None 💨 8 mph H 80%30.00 inHg

8:00 AM

Sunny

58° 💧 None 💨 7 mph H 84%30.03 inHg

11:00 AM

Sunny

68° 💧 None 💨 8 mph H 59%30.06 inHg

2:00 PM

Sunny

75° 💧 None 💨 5 mph H 45%30.03 inHg

5:00 PM

Sunny

77° 💧 None 💨 4 mph H 38%29.97 inHg

8:00 PM

Clear night

67° 💧 None 💨 2 mph H 65%29.97 inHg

11:00 PM

Mostly clear night

63° 💧 None 💨 2 mph H 70%30.00 inHg

Sunday

2:00 AM

Mostly cloudy night

60° 💧 None 💨 3 mph H 82%29.97 inHg

5:00 AM

Mostly cloudy night

56° 💧 None 💨 3 mph H 87%29.94 inHg

8:00 AM

Partly cloudy

58° 💧 None 💨 5 mph H 80%29.97 inHg

11:00 AM

Mostly cloudy

76° 💧 None 💨 6 mph H 40%29.97 inHg

2:00 PM

Mostly cloudy

82° 💧 None 💨 7 mph H 34%29.91 inHg

5:00 PM

Overcast

83° 💧 None 💨 6 mph H 34%29.85 inHg

8:00 PM

Mostly cloudy night

72° 💧 None 💨 4 mph H 60%29.85 inHg

Monday

2:00 AM

Clear night

66° 💧 None 💨 8 mph H 68%29.85 inHg

8:00 AM

Partly cloudy

66° 💧 None 💨 7 mph H 83%29.88 inHg

2:00 PM

Overcast

85° 💧 None 💨 8 mph H 58%29.83 inHg

8:00 PM

Overcast night

73° 💧 None 💨 10 mph H 87%29.83 inHg

Tuesday

2:00 AM

Mostly cloudy night

70° 💧 None 💨 6 mph H 98%29.85 inHg

8:00 AM

Overcast

69° 💧 None 💨 4 mph H 99%29.88 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 2 mph H 56%29.88 inHg

8:00 PM

Clear night

74° 💧 None 💨 4 mph H 92%29.88 inHg

Wednesday

2:00 AM

Overcast night

70° 💧 None 💨 1 mph H 100%29.91 inHg

8:00 AM

Overcast

70° 💧 None 💨 1 mph H 99%29.97 inHg

2:00 PM

Light rain

81° 💧 None 💨 6 mph H 66%30.00 inHg

8:00 PM

Clear night

74° 💧 None 💨 4 mph H 85%29.97 inHg

Thursday

2:00 AM

Mostly clear night

72° 💧 None 💨 4 mph H 90%30.03 inHg

8:00 AM

Sunny

71° 💧 None 💨 5 mph H 94%30.06 inHg

2:00 PM

Mostly sunny

83° 💧 None 💨 10 mph H 64%30.06 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 8 mph H 80%30.06 inHg

Friday

2:00 AM

Mostly cloudy night

74° 💧 None 💨 5 mph H 86%30.09 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 7 mph H 90%30.09 inHg

2:00 PM

Light rain

82° 💧 None 💨 12 mph H 69%30.09 inHg

8:00 PM

Overcast night

76° 💧 None 💨 8 mph H 84%30.06 inHg

Saturday

2:00 AM

Mostly cloudy night

74° 💧 None 💨 7 mph H 90%30.06 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 6 mph H 94%30.06 inHg

2:00 PM

Mostly cloudy

84° 💧 None 💨 11 mph H 61%30.06 inHg

8:00 PM

Partly cloudy night

76° 💧 None 💨 7 mph H 81%30.03 inHg

Sunday

2:00 AM

Partly cloudy night

74° 💧 None 💨 5 mph H 90%30.03 inHg

8:00 AM

Light rain

73° 💧 None 💨 7 mph H 98%30.03 inHg

2:00 PM

Partly cloudy

83° 💧 None 💨 11 mph H 66%30.03 inHg

8:00 PM

Overcast night

76° 💧 None 💨 7 mph H 79%30.00 inHg

Monday

2:00 AM

Mostly cloudy night

73° 💧 None 💨 6 mph H 89%30.00 inHg

8:00 AM

Sunny

71° 💧 None 💨 6 mph H 94%30.03 inHg

2:00 PM

Sunny

84° 💧 None 💨 8 mph H 58%30.00 inHg

8:00 PM

Clear night

73° 💧 None 💨 4 mph H 91%30.00 inHg

Tuesday

2:00 AM

Overcast night

70° 💧 None 💨 3 mph H 99%29.97 inHg

8:00 AM

Overcast

71° 💧 None 💨 6 mph H 100%30.00 inHg

2:00 PM

Light rain

80° 💧 None 💨 7 mph H 79%29.97 inHg

8:00 PM

Clear night

76° 💧 None 💨 4 mph H 90%29.91 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 81°/74° 💧 None 💨 12 mph

Thursday, Sep 24Thu Sep 24

Light rain 80°/72° 💧 0.649 in 💨 15 mph

Friday, Sep 25Fri Sep 25

Sunny 78°/64° 💧 None 💨 9 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 77°/58° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 83°/56° 💧 None 💨 7 mph

Monday, Sep 28Mon Sep 28

Overcast 85°/66° 💧 0.058 in 💨 10 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 84°/69° 💧 0.058 in 💨 6 mph

Wednesday, Sep 30Wed Sep 30

Light rain 81°/70° 💧 0.053 in 💨 6 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 83°/71° 💧 0.035 in 💨 10 mph

Friday, Oct 2Fri Oct 2

Light rain 82°/73° 💧 0.086 in 💨 12 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 84°/74° 💧 0.070 in 💨 11 mph

Sunday, Oct 4Sun Oct 4

Light rain 83°/73° 💧 0.117 in 💨 11 mph

Monday, Oct 5Mon Oct 5

Mostly cloudy 84°/71° 💧 None 💨 8 mph

Tuesday, Oct 6Tue Oct 6

Light rain 80°/70° 💧 0.058 in 💨 7 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

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 4,3µg/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 4,9µg/m³

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

O₃ Ozone Good 7,3µg/m³

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

NO₂ Nitrogen dioxide Good 4,8µg/m³

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

Air quality is favorable for outdoor activities.

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 8,4Very high 😊Good

Tomorrow UV 8,2Very high 🙂Fair

Thursday UV 4,0Moderate 🙂Fair

Friday UV 6,9High 🙂Fair

Saturday UV 8,0Very high 😊Good

Sunday UV 8,0Very high —Unavailable

Monday UV 7,0High —Unavailable

Hourly UV index today

8:00 AMUV 0,2 9:00 AMUV 0,9 10:00 AMUV 2,6 11:00 AMUV 4,9 12:00 PMUV 7,1 1:00 PMUV 8,4 2:00 PMUV 8,3 3:00 PMUV 6,7 4:00 PMUV 4,0 5:00 PMUV 2,2 6:00 PMUV 0,8 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.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

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: 3:00 AM–4:00 AM.

78/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 8:43 PM–5:53 AM

☁ Cloud cover 20% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon about 12° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 61° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min40%

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 7:50 AM. The current forecast period extends through 24/09/2026 at 5:00 AM. 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.