Weather in Duck Key, FL
Duck Key, Sunday, 18 October, 15:47
Overcast. Feels like 87°. High 82°, low 77°.
Monthly outlook for Duck Key, FL: average high 81.8°, average low 78.7°. That is 1.2° above the climate normal for October. Precipitation is expected on 12 days (about 6.7 inches), against a normal of 6 days and 1.8 inches. The warmest day looks like 28 October (83.3°), the coolest 23 October (75°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 81.1° | 79.9° | +0.7° |
| 28 October – 6 November | 82.8° | 78.9° | +2.2° |
| 7 November – 16 November | at normal | 77.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Layton (7 mi).
0.39
Duck Key, Monday, 19 October
Rain. High 82°, low 78°.
0.02Duck Key, Tuesday, 20 October
Light rain. High 82°, low 77°.
0
Duck Key, Wednesday, 21 October
Clear. High 81°, low 75°.
0.05Duck Key, Thursday, 22 October
Light rain. High 80°, low 76°.
0.29Duck Key, Friday, 23 October
Rain. High 79°, low 75°.
0.37Duck Key, Saturday, 24 October
Rain. High 80°, low 76°.
1.64Duck Key, Sunday, 25 October
Rain. High 80°, low 76°.
0.77Duck Key, Monday, 26 October
Rain. High 83°, low 79°.
0.47Duck Key, Tuesday, 27 October
Rain. High 83°, low 82°.
0.5Duck Key, Wednesday, 28 October
Rain. High 83°, low 80°.
0.93Duck Key, Thursday, 29 October
Rain. High 83°, low 80°.
0.07Duck Key, Friday, 30 October
Light rain. High 83°, low 82°.
0.04Duck Key, Saturday, 31 October
Light rain. High 83°, low 82°.
0.02Duck Key, Sunday, 1 November
Light rain. High 83°, low 82°.
0.07Duck Key, Monday, 2 November
Light rain. High 82°, low 82°.
0.09
Duck Key, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.14Duck Key, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Duck Key, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07
Duck Key, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Duck Key, Saturday, 7 November
Climate normal for this date — 60-year average.
0.1Duck Key, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Duck Key, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Duck Key, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Duck Key, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Duck Key, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Duck Key, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Duck Key, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Duck Key, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1Duck Key, 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 Duck Key, 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 Duck Key, 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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