Weather in Jupiter Island, FL
Jupiter Island, Sunday, 9 August, 03:57
Clear. Feels like 91°. High 90°, low 81°.
Monthly outlook for Jupiter Island, FL: average high 87°, average low 79.2°. That is 0.5° above the climate normal for August. Precipitation is expected on 10 days (about 4.1 inches), against a normal of 14 days and 3.6 inches. The warmest day looks like 13 August (90.2°), the coolest 21 August (74.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 88.3° | 86.1° | +1.2° |
| 19 August – 28 August | 84.8° | 85.7° | -0.5° |
| 29 August – 7 September | at normal | 85.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Cabana Colony (13 mi).
0
Jupiter Island, Monday, 10 August
Light rain. High 90°, low 81°.
0
Jupiter Island, Tuesday, 11 August
Clear. High 88°, low 81°.
0.05Jupiter Island, Wednesday, 12 August
Light rain. High 89°, low 81°.
0.02Jupiter Island, Thursday, 13 August
Light rain. High 90°, low 81°.
0
Jupiter Island, Friday, 14 August
Overcast. High 89°, low 82°.
0.29Jupiter Island, Saturday, 15 August
Rain. High 88°, low 82°.
0.01Jupiter Island, Sunday, 16 August
Light rain. High 86°, low 81°.
0.08Jupiter Island, Monday, 17 August
Light rain. High 86°, low 80°.
0.17Jupiter Island, Tuesday, 18 August
Light rain. High 88°, low 80°.
0.22Jupiter Island, Wednesday, 19 August
Light rain. High 87°, low 77°.
0.33Jupiter Island, Thursday, 20 August
Light rain. High 88°, low 79°.
0.99Jupiter Island, Friday, 21 August
Rain. High 82°, low 75°.
0.69Jupiter Island, Saturday, 22 August
Rain. High 83°, low 75°.
1.09Jupiter Island, Sunday, 23 August
Rain. High 84°, low 76°.
0.15Jupiter Island, Monday, 24 August
Light rain. High 86°, low 77°.
0.25Jupiter Island, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.24Jupiter Island, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.19Jupiter Island, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24Jupiter Island, Friday, 28 August
Climate normal for this date — 60-year average.
0.19Jupiter Island, Saturday, 29 August
Climate normal for this date — 60-year average.
0.2Jupiter Island, Sunday, 30 August
Climate normal for this date — 60-year average.
0.24Jupiter Island, Monday, 31 August
Climate normal for this date — 60-year average.
0.2Jupiter Island, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.22Jupiter Island, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.26Jupiter Island, Thursday, 3 September
Climate normal for this date — 60-year average.
0.29Jupiter Island, Friday, 4 September
Climate normal for this date — 60-year average.
0.36Jupiter Island, Saturday, 5 September
Climate normal for this date — 60-year average.
0.3Jupiter Island, Sunday, 6 September
Climate normal for this date — 60-year average.
0.24Jupiter Island, 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 Jupiter Island, 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 Jupiter Island, 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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