Weather in Summerland Key, FL
Summerland Key, Sunday, 9 August, 16:03
Mostly clear. Feels like 100°. High 88°, low 83°.
Monthly outlook for Summerland Key, FL: average high 86.1°, average low 83.4°. That is 1.1° above the climate normal for August. Precipitation is expected on 6 days (about 3.4 inches), against a normal of 9 days and 2.2 inches. The warmest day looks like 10 August (89.9°), the coolest 18 August (76°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86.4° | 84.1° | +1.3° |
| 19 August – 28 August | 85.5° | 84° | +0.8° |
| 29 August – 7 September | at normal | 83.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Big Pine Key (5 mi).
0.01
Summerland Key, Monday, 10 August
Light rain. High 90°, low 82°.
0
Summerland Key, Tuesday, 11 August
Clear. High 86°, low 82°.
0
Summerland Key, Wednesday, 12 August
Partly cloudy. High 86°, low 84°.
0Summerland Key, Thursday, 13 August
Clear. High 85°, low 84°.
0.06Summerland Key, Friday, 14 August
Light rain. High 86°, low 84°.
0.29Summerland Key, Saturday, 15 August
Rain. High 86°, low 85°.
0Summerland Key, Sunday, 16 August
Clear. High 86°, low 85°.
0.01Summerland Key, Monday, 17 August
Light rain. High 85°, low 85°.
2.68Summerland Key, Tuesday, 18 August
Heavy rain. High 87°, low 76°.
0.11Summerland Key, Wednesday, 19 August
Light rain. High 85°, low 82°.
0.03Summerland Key, Thursday, 20 August
Light rain. High 85°, low 84°.
0
Summerland Key, Friday, 21 August
Overcast. High 86°, low 84°.
0Summerland Key, Saturday, 22 August
Overcast. High 86°, low 85°.
0.03Summerland Key, Sunday, 23 August
Light rain. High 86°, low 85°.
0.08Summerland Key, Monday, 24 August
Light rain. High 86°, low 85°.
0.19Summerland Key, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.33Summerland Key, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.15Summerland Key, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Summerland Key, Friday, 28 August
Climate normal for this date — 60-year average.
0.18Summerland Key, Saturday, 29 August
Climate normal for this date — 60-year average.
0.28Summerland Key, Sunday, 30 August
Climate normal for this date — 60-year average.
0.19Summerland Key, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Summerland Key, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.19Summerland Key, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15Summerland Key, Thursday, 3 September
Climate normal for this date — 60-year average.
0.15Summerland Key, Friday, 4 September
Climate normal for this date — 60-year average.
0.17Summerland Key, Saturday, 5 September
Climate normal for this date — 60-year average.
0.18Summerland Key, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15Summerland Key, Monday, 7 September
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 Summerland 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 Summerland 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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