Weather in Sanibel, FL
Sanibel, Sunday, 18 October, 18:59
Clear. Feels like 79°. High 82°, low 67°.
Monthly outlook for Sanibel, FL: average high 82.2°, average low 72.6°. That is 0.4° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 27 October (84.3°), the coolest 18 October (67.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 81.5° | 82° | -0.3° |
| 28 October – 6 November | 83.5° | 80.4° | +1.7° |
| 7 November – 16 November | at normal | 78.3° | — |
October records over 66 years
0
Sanibel, Monday, 19 October
Clear. High 83°, low 71°.
0Sanibel, Tuesday, 20 October
Clear. High 80°, low 69°.
0Sanibel, Wednesday, 21 October
Clear. High 80°, low 69°.
0
Sanibel, Thursday, 22 October
Mostly clear. High 79°, low 70°.
0Sanibel, Friday, 23 October
Clear. High 80°, low 69°.
0.02
Sanibel, Saturday, 24 October
Light rain. High 80°, low 71°.
0Sanibel, Sunday, 25 October
Mostly clear. High 82°, low 74°.
0Sanibel, Monday, 26 October
Clear. High 83°, low 73°.
0Sanibel, Tuesday, 27 October
Clear. High 84°, low 73°.
0.01Sanibel, Wednesday, 28 October
Light rain. High 83°, low 75°.
0
Sanibel, Thursday, 29 October
Partly cloudy. High 84°, low 77°.
0.01Sanibel, Friday, 30 October
Light rain. High 83°, low 75°.
0
Sanibel, Saturday, 31 October
Overcast. High 84°, low 76°.
0Sanibel, Sunday, 1 November
Overcast. High 84°, low 76°.
0Sanibel, Monday, 2 November
Overcast. High 83°, low 76°.
0.06Sanibel, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Sanibel, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Sanibel, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Sanibel, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Sanibel, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Sanibel, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Sanibel, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Sanibel, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Sanibel, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Sanibel, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08Sanibel, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Sanibel, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Sanibel, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Sanibel, Monday, 16 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 Sanibel, 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 Sanibel, 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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