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St. Simons, GA 31561 Weather

Tonight: Partly Cloudy, low 65°F. Hourly and 7-day forecast from the National Weather Service. Times are local (EDT).

St. Simons, GA 31561 current weather

69°F

Partly Cloudy

Forecast for this hour. No recent report from a nearby station.

H -- / L 65°

No recent station report. NWS hourly forecast updated 10/29/2026, 5:01 PM PT

2 active alerts

From the National Weather Service for this forecast zone or county

State alerts

Moderate1Possible threat to life or property

Minor1Minimal to no known threat

Hourly forecast

NWS, updated 10/29/2026, 5:01 PM PT

  1. Now69°
  2. 9 PM68°
  3. 10 PM68°
  4. 11 PM68°
  5. 12 AM68°Fri
  6. 1 AM67°
  7. 2 AM67°
  8. 3 AM66°
  9. 4 AM66°
  10. 5 AM66°
  11. 6 AM66°
  12. 7 AM65°
  13. 8 AM66°
  14. 9 AM67°
  15. 10 AM71°
  16. 11 AM73°
  17. 12 PM73°
  18. 1 PM74°
  19. 2 PM73°
  20. 3 PM73°
  21. 4 PM74°
  22. 5 PM73°
  23. 6 PM72°
  24. 7 PM71°
  25. 8 PM69°
  26. 9 PM68°
  27. 10 PM68°
  28. 11 PM68°
  29. 12 AM68°Sat
  30. 1 AM68°
  31. 2 AM68°
  32. 3 AM68°
  33. 4 AM68°
  34. 5 AM67°
  35. 6 AM68°
  36. 7 AM68°
  37. 8 AM68°
  38. 9 AM70°
  39. 10 AM72°
  40. 11 AM74°
  41. 12 PM74°
  42. 1 PM75°
  43. 2 PM75°12%
  44. 3 PM75°12%
  45. 4 PM74°12%
  46. 5 PM74°12%
  47. 6 PM73°12%
  48. 7 PM71°12%

7-day forecast

Tap a day for details

  • Today10/29Low 65°High

    Tonight: Partly cloudy. Low around 65, with temperatures rising to around 66 overnight. Northeast wind around 14 mph, with gusts as high as 23 mph.

    Partly Cloudy
  • Fri10/30Low 66°High 74°

    Friday: Mostly sunny. High near 74, with temperatures falling to around 73 in the afternoon. Northeast wind 12 to 15 mph, with gusts as high as 23 mph.

    Friday Night: Mostly cloudy. Low around 66, with temperatures rising to around 67 overnight. Northeast wind 8 to 13 mph, with gusts as high as 21 mph.

    Mostly Sunny
  • Sat10/3112% chance of precipitationLow 66°High 75°

    Saturday: Mostly cloudy. High near 75, with temperatures falling to around 74 in the afternoon. Northeast wind 9 to 17 mph, with gusts as high as 30 mph.

    Saturday Night: Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Northeast wind 14 to 18 mph, with gusts as high as 32 mph.

    Mostly Cloudy
  • Sun11/140% chance of precipitationLow 65°High 74°

    Sunday: A chance of rain showers after 7am. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    Sunday Night: A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Chance Rain Showers
  • Mon11/238% chance of precipitationLow 64°High 73°

    Monday: A chance of rain showers. Partly sunny, with a high near 73. Chance of precipitation is 40%.

    Monday Night: A slight chance of rain showers. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Chance Rain Showers
  • Tue11/316% chance of precipitationLow 64°High 74°

    Tuesday: A slight chance of rain showers before 7am. Partly sunny, with a high near 74. Chance of precipitation is 20%.

    Tuesday Night: Partly cloudy, with a low around 64.

    Slight Chance Rain Showers then Partly Sunny
  • Wed11/423% chance of precipitationLow 64°High 76°

    Wednesday: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 76. Chance of precipitation is 20%.

    Wednesday Night: A slight chance of rain showers. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Mostly Sunny then Slight Chance Rain Showers
  • Thu11/546% chance of precipitationLow High 76°

    Thursday: A chance of rain showers. Partly sunny, with a high near 76.

    Chance Rain Showers

Forecast for 31.192, -81.341 from the NWS JAX office, updated 10/29/2026, 5:01 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now69°Partly Cloudy0%14 mph
  2. 9 PM68°Partly Cloudy0%14 mph
  3. 10 PM68°Partly Cloudy0%13 mph
  4. 11 PM68°Partly Cloudy0%12 mph
  5. 12 AM68°Partly Cloudy0%12 mph
  6. 1 AM67°Partly Cloudy0%12 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

Will it rain in St. Simons, GA 31561 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in St. Simons, GA 31561 today?
Sunrise is about 7:38 AM EDT and sunset is about 6:39 PM EDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in St. Simons, GA 31561?
At Brunswick Malcolm Mckinnon AP, the 1991 to 2020 normal high in October is 79°F and the normal low is 64°F.

Nearby hazards

Georgia hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast tomorrow (Nassau County)
ModeratePM2.5
AQI forecast tomorrow (Nassau County)
GoodOzone

UV index guide · Air quality

Drought

By county

Glynn County, week of 10/27/2026

5% of the county is abnormally dry. No drought.

Tides nearby

NOAA tide stations

Beaches nearby

EPA BEACON beaches

Sun and moon

Local time, center of the area

Sunrise
7:38 AM
Sunset
6:39 PM
Daylight
11 hr 1 min
Moon
Waning Gibbous 84% lit
First light (civil dawn)
7:13 AM
Last light (civil dusk)
7:04 PM
Moonrise
9:26 PM
Moonset
11:31 AM

Normal October weather

Climate

Normal October high 79°, low 64°, precipitation 4.70 in for the month. 1991 to 2020 normals at Brunswick Malcolm Mckinnon AP, 4 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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