Weather in Shell Island, FL
Shell Island, Sunday, 25 October, 21:49
Overcast. Feels like 71°. High 77°, low 59°.
Monthly outlook for Shell Island, FL: average high 77.2°, average low 60°. That is 1.2° above the climate normal for October. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 3 days and 1.2 inches. The warmest day looks like 30 October (84.5°), the coolest 7 November (46.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 80° | 76.1° | +2.2° |
| 4 November – 13 November | 72.5° | 72.6° | -0.1° |
| 14 November – 23 November | at normal | 69.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — St. Marks (1 mi).
0
Shell Island, Monday, 26 October
Partly cloudy. High 79°, low 59°.
0
Shell Island, Tuesday, 27 October
Clear. High 80°, low 57°.
0Shell Island, Wednesday, 28 October
Clear. High 80°, low 59°.
0Shell Island, Thursday, 29 October
Partly cloudy. High 83°, low 65°.
0Shell Island, Friday, 30 October
Clear. High 85°, low 65°.
0.01
Shell Island, Saturday, 31 October
Light rain. High 83°, low 66°.
0.27Shell Island, Sunday, 1 November
Light rain. High 76°, low 72°.
0.02Shell Island, Monday, 2 November
Light rain. High 80°, low 67°.
0Shell Island, Tuesday, 3 November
Clear. High 78°, low 65°.
0Shell Island, Wednesday, 4 November
Clear. High 75°, low 57°.
0Shell Island, Thursday, 5 November
Clear. High 73°, low 56°.
0Shell Island, Friday, 6 November
Clear. High 66°, low 54°.
0Shell Island, Saturday, 7 November
Clear. High 70°, low 46°.
0Shell Island, Sunday, 8 November
Clear. High 74°, low 53°.
0Shell Island, Monday, 9 November
Clear. High 77°, low 57°.
0.11
Shell Island, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Shell Island, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Shell Island, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08Shell Island, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Shell Island, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Shell Island, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Shell Island, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Shell Island, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Shell Island, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.11Shell Island, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11Shell Island, Friday, 20 November
Climate normal for this date — 60-year average.
0.09Shell Island, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06Shell Island, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Shell Island, Monday, 23 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 Shell Island, FL 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 Shell Island, FL 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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