Weather in St. Simons, GA
St. Simons, Saturday, 10 October, 16:29
Heavy rain. Feels like 92°. High 84°, low 74°.
Monthly outlook for St. Simons, GA: average high 76.3°, average low 62.9°. That is 0.1° above the climate normal for October. Precipitation is expected on 6 days (about 2.3 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 11 October (85.8°), the coolest 18 October (45.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 78.7° | 77° | +1° |
| 20 October – 29 October | 72.4° | 74.5° | -1.2° |
| 30 October – 8 November | at normal | 72.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Jekyll Island (8 mi).
0.06St. Simons, Sunday, 11 October
Light rain. High 86°, low 71°.
0
St. Simons, Monday, 12 October
Clear. High 84°, low 66°.
0St. Simons, Tuesday, 13 October
Clear. High 85°, low 65°.
0St. Simons, Wednesday, 14 October
Clear. High 83°, low 64°.
0St. Simons, Thursday, 15 October
Clear. High 84°, low 66°.
0.04St. Simons, Friday, 16 October
Light rain. High 80°, low 67°.
0.03St. Simons, Saturday, 17 October
Light rain. High 79°, low 62°.
0St. Simons, Sunday, 18 October
Clear. High 62°, low 45°.
0
St. Simons, Monday, 19 October
Overcast. High 60°, low 49°.
0St. Simons, Tuesday, 20 October
Light rain. High 64°, low 52°.
0.04St. Simons, Wednesday, 21 October
Light rain. High 70°, low 61°.
0.23St. Simons, Thursday, 22 October
Light rain. High 72°, low 66°.
0.81St. Simons, Friday, 23 October
Rain. High 71°, low 63°.
0.26St. Simons, Saturday, 24 October
Light rain. High 79°, low 66°.
0.03St. Simons, Sunday, 25 October
Light rain. High 78°, low 68°.
0.06
St. Simons, Monday, 26 October
Climate normal for this date — 60-year average.
0.09St. Simons, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.08St. Simons, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.13St. Simons, Thursday, 29 October
Climate normal for this date — 60-year average.
0.06St. Simons, Friday, 30 October
Climate normal for this date — 60-year average.
0.11St. Simons, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06St. Simons, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07St. Simons, Monday, 2 November
Climate normal for this date — 60-year average.
0.04St. Simons, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07St. Simons, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11St. Simons, Thursday, 5 November
Climate normal for this date — 60-year average.
0.11
St. Simons, Friday, 6 November
Climate normal for this date — 60-year average.
0.08St. Simons, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05St. Simons, Sunday, 8 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for St. Simons, GA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in St. Simons, GA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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