Weather in Siesta Key, FL
Siesta Key, Saturday, 8 August, 18:41
Rain. Feels like 89°. High 91°, low 77°.
Monthly outlook for Siesta Key, FL: average high 87.4°, average low 80.5°. That is 0.3° above the climate normal for August. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 12 days and 3.0 inches. The warmest day looks like 9 August (93.8°), the coolest 10 August (75.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 88.5° | 86.8° | +1° |
| 18 August – 27 August | 85.4° | 87° | -0.9° |
| 28 August – 6 September | at normal | 86.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Sarasota (4 mi).
0.08Siesta Key, Sunday, 9 August
Rain. High 94°, low 77°.
0
Siesta Key, Monday, 10 August
Overcast. High 88°, low 75°.
0.01Siesta Key, Tuesday, 11 August
Light rain. High 88°, low 80°.
0
Siesta Key, Wednesday, 12 August
Clear. High 87°, low 83°.
0
Siesta Key, Thursday, 13 August
Partly cloudy. High 86°, low 83°.
0Siesta Key, Friday, 14 August
Overcast. High 87°, low 82°.
0.14Siesta Key, Saturday, 15 August
Rain. High 91°, low 81°.
0.02Siesta Key, Sunday, 16 August
Light rain. High 87°, low 79°.
0.06Siesta Key, Monday, 17 August
Light rain. High 86°, low 80°.
0.02Siesta Key, Tuesday, 18 August
Light rain. High 87°, low 80°.
0.01Siesta Key, Wednesday, 19 August
Light rain. High 86°, low 82°.
0Siesta Key, Thursday, 20 August
Partly cloudy. High 85°, low 82°.
0Siesta Key, Friday, 21 August
Partly cloudy. High 85°, low 83°.
0
Siesta Key, Saturday, 22 August
Mostly clear. High 85°, low 82°.
0Siesta Key, Sunday, 23 August
Overcast. High 85°, low 82°.
0.19Siesta Key, Monday, 24 August
Climate normal for this date — 60-year average.
0.15Siesta Key, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.24Siesta Key, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.19Siesta Key, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Siesta Key, Friday, 28 August
Climate normal for this date — 60-year average.
0.2Siesta Key, Saturday, 29 August
Climate normal for this date — 60-year average.
0.25Siesta Key, Sunday, 30 August
Climate normal for this date — 60-year average.
0.25Siesta Key, Monday, 31 August
Climate normal for this date — 60-year average.
0.25Siesta Key, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.19Siesta Key, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.21Siesta Key, Thursday, 3 September
Climate normal for this date — 60-year average.
0.17Siesta Key, Friday, 4 September
Climate normal for this date — 60-year average.
0.25Siesta Key, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23Siesta Key, Sunday, 6 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 Siesta 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 Siesta 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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