Weather in Sanibel, FL
Sanibel, Wednesday, 21 October, 21:36
Partly cloudy. Feels like 77°. High 82°, low 63°.
Monthly outlook for Sanibel, FL: average high 80.4°, average low 70.4°. That is 0.4° below the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 23 October (83.6°), the coolest 21 October (62.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 80.9° | 81.6° | -0.4° |
| 31 October – 9 November | 79.6° | 79.8° | -0.1° |
| 10 November – 19 November | at normal | 78° | — |
October records over 66 years
0
Sanibel, Thursday, 22 October
Clear. High 82°, low 65°.
0Sanibel, Friday, 23 October
Clear. High 84°, low 64°.
0.07
Sanibel, Saturday, 24 October
Rain. High 79°, low 69°.
0.07Sanibel, Sunday, 25 October
Light rain. High 80°, low 71°.
0Sanibel, Monday, 26 October
Clear. High 82°, low 73°.
0
Sanibel, Tuesday, 27 October
Mostly clear. High 81°, low 73°.
0.04Sanibel, Wednesday, 28 October
Light rain. High 81°, low 74°.
0
Sanibel, Thursday, 29 October
Overcast. High 80°, low 72°.
0Sanibel, Friday, 30 October
Clear. High 78°, low 72°.
0
Sanibel, Saturday, 31 October
Partly cloudy. High 79°, low 69°.
0.01Sanibel, Sunday, 1 November
Light rain. High 81°, low 72°.
0Sanibel, Monday, 2 November
Clear. High 81°, low 73°.
0Sanibel, Tuesday, 3 November
Clear. High 78°, low 71°.
0Sanibel, Wednesday, 4 November
Clear. High 80°, low 72°.
0.01Sanibel, Thursday, 5 November
Light rain. High 79°, low 74°.
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.
0.02Sanibel, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.02Sanibel, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.02Sanibel, Thursday, 19 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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