Weather in Key Largo, FL
Key Largo, Monday, 19 October, 22:29
Mostly clear. Feels like 80°. High 83°, low 79°.
Monthly outlook for Key Largo, FL: average high 79.9°, average low 75.6°. That is 0.2° above the climate normal for October. Precipitation is expected on 13 days (about 8.0 inches), against a normal of 6 days and 1.7 inches. The warmest day looks like 19 October (83.3°), the coolest 22 October (70.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 80.3° | 79.8° | +0.2° |
| 29 October – 7 November | 79.2° | 78.7° | +0.3° |
| 8 November – 17 November | at normal | 77.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Tavernier (10 mi).
0.02
Key Largo, Tuesday, 20 October
Light rain. High 81°, low 74°.
0
Key Largo, Wednesday, 21 October
Clear. High 81°, low 72°.
0Key Largo, Thursday, 22 October
Clear. High 81°, low 71°.
0.21Key Largo, Friday, 23 October
Light rain. High 79°, low 72°.
0.46Key Largo, Saturday, 24 October
Rain. High 79°, low 73°.
2.22Key Largo, Sunday, 25 October
Heavy rain. High 79°, low 75°.
0.54Key Largo, Monday, 26 October
Light rain. High 79°, low 78°.
0.6Key Largo, Tuesday, 27 October
Rain. High 80°, low 79°.
0.16Key Largo, Wednesday, 28 October
Light rain. High 81°, low 78°.
1.03Key Largo, Thursday, 29 October
Rain. High 79°, low 74°.
1.51Key Largo, Friday, 30 October
Heavy rain. High 76°, low 74°.
0.51Key Largo, Saturday, 31 October
Rain. High 79°, low 76°.
0.13Key Largo, Sunday, 1 November
Light rain. High 81°, low 78°.
0.08Key Largo, Monday, 2 November
Light rain. High 80°, low 78°.
0.49Key Largo, Tuesday, 3 November
Light rain. High 80°, low 78°.
0.15Key Largo, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.12
Key Largo, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08
Key Largo, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Key Largo, Saturday, 7 November
Climate normal for this date — 60-year average.
0.1Key Largo, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Key Largo, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Key Largo, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Key Largo, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06
Key Largo, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Key Largo, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Key Largo, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Key Largo, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1Key Largo, Monday, 16 November
Climate normal for this date — 60-year average.
0.05Key Largo, Tuesday, 17 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 Key Largo, 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 Key Largo, 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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