Weather in Longboat Key, FL
Longboat Key, Sunday, 9 August, 03:51
Overcast. Feels like 79°. High 89°, low 78°.
Monthly outlook for Longboat Key, FL: average high 87.4°, average low 81.6°. That is 0.3° above the climate normal for August. Precipitation is expected on 9 days (about 2.8 inches), against a normal of 13 days and 3.4 inches. The warmest day looks like 10 August (89.6°), the coolest 9 August (78.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 88° | 86.8° | +0.7° |
| 19 August – 28 August | 86.3° | 87° | -0.4° |
| 29 August – 7 September | at normal | 86.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Bayshore Gardens (4 mi).
0Longboat Key, Monday, 10 August
Overcast. High 90°, low 79°.
0.01
Longboat Key, Tuesday, 11 August
Light rain. High 87°, low 81°.
0Longboat Key, Wednesday, 12 August
Light rain. High 87°, low 83°.
0
Longboat Key, Thursday, 13 August
Clear. High 86°, low 83°.
0Longboat Key, Friday, 14 August
Overcast. High 87°, low 82°.
0Longboat Key, Saturday, 15 August
Overcast. High 89°, low 81°.
0.02Longboat Key, Sunday, 16 August
Light rain. High 87°, low 82°.
0.47Longboat Key, Monday, 17 August
Rain. High 90°, low 82°.
0.19Longboat Key, Tuesday, 18 August
Rain. High 88°, low 82°.
0.55Longboat Key, Wednesday, 19 August
Rain. High 86°, low 79°.
0.09Longboat Key, Thursday, 20 August
Light rain. High 86°, low 83°.
0.26Longboat Key, Friday, 21 August
Light rain. High 86°, low 83°.
0.22Longboat Key, Saturday, 22 August
Rain. High 87°, low 82°.
0.14Longboat Key, Sunday, 23 August
Light rain. High 86°, low 83°.
0.67Longboat Key, Monday, 24 August
Rain. High 87°, low 82°.
0.16Longboat Key, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.26Longboat Key, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.2Longboat Key, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Longboat Key, Friday, 28 August
Climate normal for this date — 60-year average.
0.23Longboat Key, Saturday, 29 August
Climate normal for this date — 60-year average.
0.22Longboat Key, Sunday, 30 August
Climate normal for this date — 60-year average.
0.22Longboat Key, Monday, 31 August
Climate normal for this date — 60-year average.
0.24Longboat Key, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.17Longboat Key, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.2Longboat Key, Thursday, 3 September
Climate normal for this date — 60-year average.
0.2Longboat Key, Friday, 4 September
Climate normal for this date — 60-year average.
0.27Longboat Key, Saturday, 5 September
Climate normal for this date — 60-year average.
0.22Longboat Key, Sunday, 6 September
Climate normal for this date — 60-year average.
0.28Longboat 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 Longboat 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 Longboat 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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